/* ====================================
   Email Marketing Platform - Modern Vanilla CSS
   Primary Color: #7747a6 (Purple)
   Design: Modern, Clean, Premium
   ==================================== */

/* ========== 1. CSS Variables ========== */
:root {
    /* Colors - Purple Theme */
    --primary-color: #7747a6;
    --primary-hover: #5f3a85;
    --primary-light: #9366c7;
    --primary-lightest: #f3eef8;
    --primary-dark: #4a2d6b;
    
    --white: #ffffff;
    --black: #000000;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #eeeeee;
    --gray-300: #e0e0e0;
    --gray-400: #bdbdbd;
    --gray-500: #9e9e9e;
    --gray-600: #757575;
    --gray-700: #616161;
    --gray-800: #424242;
    --gray-900: #212121;
    
    --success: #10b981;
    --success-light: #d1fae5;
    --success-dark: #059669;
    --error: #ef4444;
    --error-light: #fee2e2;
    --error-dark: #dc2626;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --warning-dark: #d97706;
    --info: #3b82f6;
    --info-light: #dbeafe;
    --info-dark: #2563eb;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    
    /* Border Radius - More modern */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows - Enhanced */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-purple: 0 10px 25px -5px rgba(119, 71, 166, 0.2);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Layout */
    --sidebar-width: 280px;
    --header-height: 72px;
    --container-max-width: 1400px;
}

/* ========== 2. Reset & Base Styles ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--gray-900);
    background: linear-gradient(135deg, #fafafa 0%, #f3eef8 100%);
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.3;
    margin-bottom: var(--spacing-4);
    color: var(--gray-900);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
    margin-bottom: var(--spacing-4);
    color: var(--gray-700);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all var(--transition-fast);
}

a:hover {
    color: var(--primary-hover);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

/* ========== 3. Layout ========== */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, #ffffff 0%, #fafafa 100%);
    border-right: 1px solid var(--gray-200);
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    overflow-y: auto;
    z-index: 100;
    box-shadow: var(--shadow-lg);
}

.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    width: calc(100% - var(--sidebar-width));
    background: transparent;
}

.header {
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    padding: 0 var(--spacing-8);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 90;
    box-shadow: var(--shadow-sm);
}

.content {
    padding: var(--spacing-8);
    max-width: var(--container-max-width);
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

/* ========== 4. Modern Components ========== */

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    filter: grayscale(0.3);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--white);
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(119, 71, 166, 0.3);
}

.btn-primary:hover:not(:disabled) {
    color: var(--white);
    box-shadow: 0 8px 20px rgba(119, 71, 166, 0.4);
}

.btn-secondary {
    background-color: var(--white);
    color: var(--gray-700);
    border-color: var(--gray-300);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--gray-50);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, var(--success-dark) 100%);
    color: var(--white);
    border-color: var(--success);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-success:hover:not(:disabled) {
    color: var(--white);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.4);
}

.btn-danger {
    background: linear-gradient(135deg, var(--error) 0%, var(--error-dark) 100%);
    color: var(--white);
    border-color: var(--error);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover:not(:disabled) {
    color: var(--white);
    box-shadow: 0 8px 20px rgba(239, 68, 68, 0.4);
}

.btn-sm {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
}

.btn-block {
    width: 100%;
    display: flex;
}

/* --- Cards (Modern Design) --- */
.card {
    background-color: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0, 0, 0, 0.05);
    overflow: hidden;
    transition: box-shadow var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

.card-header {
    padding: var(--spacing-6) var(--spacing-8);
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(180deg, var(--white) 0%, var(--gray-50) 100%);
}

.card-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--gray-900);
    margin: 0;
}

.card-body {
    padding: var(--spacing-8);
}

.card-footer {
    padding: var(--spacing-6) var(--spacing-8);
    border-top: 1px solid var(--gray-100);
    background-color: var(--gray-50);
}

/* --- Forms (Premium Look) --- */
.form-group {
    margin-bottom: var(--spacing-5);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    margin-bottom: var(--spacing-2);
}

.form-control {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--gray-900);
    background-color: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.form-control:hover {
    border-color: var(--gray-300);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px var(--primary-lightest);
    background-color: var(--white);
}

.form-control:disabled {
    background-color: var(--gray-100);
    cursor: not-allowed;
    opacity: 0.7;
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
    background-position: right 0.75rem center;
    background-repeat: no-repeat;
    background-size: 1.25rem;
    padding-right: 2.5rem;
}

.form-error {
    color: var(--error);
    font-size: var(--font-size-xs);
    margin-top: var(--spacing-2);
    font-weight: var(--font-weight-medium);
}

.form-help {
    color: var(--gray-500);
    font-size: var(--font-size-xs);
    margin-top: var(--spacing-2);
}

.checkbox-wrapper,
.radio-wrapper {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-3);
    padding: var(--spacing-3);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.checkbox-wrapper:hover,
.radio-wrapper:hover {
    background-color: var(--gray-50);
}

.checkbox-wrapper input[type="checkbox"],
.radio-wrapper input[type="radio"] {
    width: 18px;
    height: 18px;
    margin-right: var(--spacing-3);
    cursor: pointer;
    accent-color: var(--primary-color);
}

.checkbox-wrapper label,
.radio-wrapper label {
    font-size: var(--font-size-sm);
    color: var(--gray-700);
    cursor: pointer;
    margin: 0;
    flex: 1;
}

/* --- Tables (Modern) --- */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
}

.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.table thead {
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.table th {
    padding: var(--spacing-4) var(--spacing-6);
    text-align: left;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    color: var(--gray-700);
    border-bottom: 2px solid var(--gray-200);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table td {
    padding: var(--spacing-4) var(--spacing-6);
    font-size: var(--font-size-sm);
    color: var(--gray-900);
    border-bottom: 1px solid var(--gray-100);
}

.table tbody tr {
    transition: background-color var(--transition-fast);
}

.table tbody tr:hover {
    background-color: var(--primary-lightest);
}

/* --- Badges (Modern) --- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    border-radius: var(--radius-full);
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-primary {
    background: linear-gradient(135deg, var(--primary-lightest) 0%, var(--primary-lightest) 100%);
    color: var(--primary-color);
    border: 1px solid var(--primary-light);
}

.badge-success {
    background: var(--success-light);
    color: var(--success-dark);
    border: 1px solid var(--success);
}

.badge-error {
    background: var(--error-light);
    color: var(--error-dark);
    border: 1px solid var(--error);
}

.badge-warning {
    background: var(--warning-light);
    color: var(--warning-dark);
    border: 1px solid var(--warning);
}

.badge-secondary {
    background: var(--gray-200);
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.badge-info {
    background: var(--info-light);
    color: var(--info-dark);
    border: 1px solid var(--info);
}

.badge-gray {
    background: var(--gray-100);
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

/* --- Modals (Premium) --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background-color: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-base);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: var(--spacing-8);
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(180deg, var(--white) 0%, var(--gray-50) 100%);
}

.modal-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin: 0;
}

.modal-close {
    background: var(--gray-100);
    border: none;
    font-size: var(--font-size-2xl);
    color: var(--gray-600);
    cursor: pointer;
    padding: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background-color: var(--error-light);
    color: var(--error);
    transform: rotate(90deg);
}

.modal-body {
    padding: var(--spacing-8);
}

.modal-footer {
    padding: var(--spacing-6) var(--spacing-8);
    border-top: 1px solid var(--gray-100);
    display: flex;
    gap: var(--spacing-3);
    justify-content: flex-end;
    background-color: var(--gray-50);
}

/* --- Alerts / Toasts (Modern) --- */
.alert {
    padding: var(--spacing-5) var(--spacing-6);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-5);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-4);
    border-left: 4px solid;
    box-shadow: var(--shadow-md);
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-success {
    background: linear-gradient(135deg, var(--success-light) 0%, #ecfdf5 100%);
    color: var(--success-dark);
    border-color: var(--success);
}

.alert-info {
    background: linear-gradient(135deg, var(--info-light) 0%, #eff6ff 100%);
    color: var(--info-dark);
    border-color: var(--info);
}

.alert-error {
    background: linear-gradient(135deg, var(--error-light) 0%, #fef2f2 100%);
    color: var(--error-dark);
    border-color: var(--error);
}

.alert-warning {
    background: linear-gradient(135deg, var(--warning-light) 0%, #fffbeb 100%);
    color: var(--warning-dark);
    border-color: var(--warning);
}

.alert-info {
    background: linear-gradient(135deg, var(--info-light) 0%, #eff6ff 100%);
    color: var(--info-dark);
    border-color: var(--info);
}

.toast-container {
    position: fixed;
    top: var(--spacing-8);
    right: var(--spacing-8);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.toast {
    background-color: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-5);
    min-width: 350px;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-4);
    animation: slideInRight 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* --- Navigation (Modern Sidebar) --- */
.nav {
    padding: var(--spacing-6) 0;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-4) var(--spacing-8);
    color: var(--gray-700);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
    cursor: pointer;
    border-left: 4px solid transparent;
    margin: var(--spacing-1) var(--spacing-4);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    white-space: nowrap;
}

.nav-item:hover {
    background: linear-gradient(90deg, var(--primary-lightest) 0%, transparent 100%);
    color: var(--primary-color);
    padding-left: var(--spacing-10);
}

.nav-item.active {
    background: linear-gradient(90deg, var(--primary-lightest) 0%, transparent 100%);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    font-weight: var(--font-weight-bold);
}

.nav-icon {
    width: 24px;
    height: 24px;
    margin-right: var(--spacing-4);
    font-size: 1.25rem;
}

.sidebar-logo {
    padding: var(--spacing-8);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-3);
    background: var(--white);
}

.sidebar-logo-text {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--white);
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* --- Pagination (Modern) --- */
.pagination {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    justify-content: center;
    margin-top: var(--spacing-6);
}

.pagination-btn {
    padding: var(--spacing-3) var(--spacing-5);
    border: 2px solid var(--gray-200);
    background-color: var(--white);
    color: var(--gray-700);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    box-shadow: var(--shadow-xs);
}

.pagination-btn:hover:not(:disabled) {
    background-color: var(--primary-lightest);
    border-color: var(--primary-color);
    color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.pagination-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pagination-btn.active {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--white);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-purple);
}

/* --- Stats Cards (Premium Design) --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
}

.stat-card {
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
    transition: box-shadow var(--transition-base);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, var(--primary-lightest) 0%, transparent 70%);
    opacity: 0.5;
}

.stat-card:hover {
    box-shadow: var(--shadow-lg);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-3);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-value {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-2);
    line-height: 1;
}

.stat-change {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
}

.stat-change.positive {
    color: var(--success);
}

.stat-change.negative {
    color: var(--error);
}

/* --- Loading (Modern) --- */
.loading-spinner {
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

/* --- Wizard / Steps (Modern) --- */
.wizard-steps {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-10);
    position: relative;
    padding: 0 var(--spacing-4);
}

.wizard-steps::before {
    content: '';
    position: absolute;
    top: 24px;
    left: 10%;
    right: 10%;
    height: 3px;
    background: linear-gradient(90deg, var(--gray-200) 0%, var(--primary-lightest) 100%);
    z-index: 0;
}

.wizard-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 1;
    flex: 1;
}

.wizard-step-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--white);
    color: var(--gray-500);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-3);
    transition: all var(--transition-base);
    border: 3px solid var(--gray-200);
    box-shadow: var(--shadow-md);
    font-size: var(--font-size-lg);
}

.wizard-step.active .wizard-step-number {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--white);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-purple);
    transform: scale(1.1);
}

.wizard-step.completed .wizard-step-number {
    background: linear-gradient(135deg, var(--success) 0%, var(--success-dark) 100%);
    color: var(--white);
    border-color: var(--success);
}

.wizard-step-label {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    text-align: center;
    font-weight: var(--font-weight-medium);
}

.wizard-step.active .wizard-step-label {
    color: var(--primary-color);
    font-weight: var(--font-weight-bold);
}

/* ========== 5. Utilities ========== */

/* Spacing */
.m-0 { margin: 0; }
.m-2 { margin: var(--spacing-2); }
.m-4 { margin: var(--spacing-4); }
.m-6 { margin: var(--spacing-6); }
.m-8 { margin: var(--spacing-8); }

.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--spacing-2); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mt-8 { margin-top: var(--spacing-8); }

.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }
.mb-8 { margin-bottom: var(--spacing-8); }

.ml-2 { margin-left: var(--spacing-2); }
.ml-4 { margin-left: var(--spacing-4); }
.mr-2 { margin-right: var(--spacing-2); }
.mr-4 { margin-right: var(--spacing-4); }

.p-0 { padding: 0; }
.p-2 { padding: var(--spacing-2); }
.p-4 { padding: var(--spacing-4); }
.p-6 { padding: var(--spacing-6); }
.p-8 { padding: var(--spacing-8); }

/* Text */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }

.font-normal { font-weight: var(--font-weight-normal); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }

.text-primary { color: var(--primary-color); }
.text-gray-500 { color: var(--gray-500); }
.text-gray-600 { color: var(--gray-600); }
.text-gray-700 { color: var(--gray-700); }
.text-gray-900 { color: var(--gray-900); }
.text-success { color: var(--success); }
.text-error { color: var(--error); }
.text-warning { color: var(--warning); }

/* Display */
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }
.d-inline-flex { display: inline-flex; }

/* Flexbox */
.flex-row { flex-direction: row; }
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }

.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }

.align-start { align-items: flex-start; }
.align-center { align-items: center; }
.align-end { align-items: flex-end; }
.align-stretch { align-items: stretch; }

.gap-2 { gap: var(--spacing-2); }
.gap-3 { gap: var(--spacing-3); }
.gap-4 { gap: var(--spacing-4); }
.gap-6 { gap: var(--spacing-6); }

.flex-1 { flex: 1; }
.flex-grow { flex-grow: 1; }

/* Grid */
.grid {
    display: grid;
}

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.col-span-2 { grid-column: span 2 / span 2; }

/* Width */
.w-full { width: 100%; }
.w-auto { width: auto; }

/* Border */
.border { border: 1px solid var(--gray-200); }
.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

/* Shadow */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* Background */
.bg-white { background-color: var(--white); }
.bg-gray-50 { background-color: var(--gray-50); }
.bg-gray-100 { background-color: var(--gray-100); }
.bg-primary { background-color: var(--primary-color); }

/* Cursor */
.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }

/* Overflow */
.overflow-auto { overflow: auto; }
.overflow-hidden { overflow: hidden; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }

/* ========== 6. Auth Pages (Premium) ========== */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-6);
    background: linear-gradient(135deg, var(--primary-lightest) 0%, var(--white) 50%, var(--primary-lightest) 100%);
    position: relative;
    overflow: hidden;
}

.auth-container::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary-lightest) 0%, transparent 70%);
    animation: float 6s ease-in-out infinite;
}

.auth-container::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary-lightest) 0%, transparent 70%);
    animation: float 8s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, 30px); }
}

.auth-card {
    background-color: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    padding: var(--spacing-10);
    width: 100%;
    max-width: 460px;
    position: relative;
    z-index: 1;
    border: 1px solid rgba(119, 71, 166, 0.1);
}

.auth-logo {
    text-align: center;
    margin-bottom: var(--spacing-8);
}

.auth-logo-text {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-title {
    font-size: var(--font-size-2xl);
    text-align: center;
    margin-bottom: var(--spacing-8);
    color: var(--gray-900);
    font-weight: var(--font-weight-bold);
}

.auth-link {
    text-align: center;
    margin-top: var(--spacing-6);
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

/* ========== 7. Responsive ========== */
@media (max-width: 1024px) {
    :root {
        --sidebar-width: 260px;
    }
    
    .content {
        padding: var(--spacing-6);
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        box-shadow: none;
    }
    
    .sidebar.active {
        transform: translateX(0);
        box-shadow: var(--shadow-2xl);
    }
    
    .main-content {
        margin-left: 0;
        width: 100%;
    }
    
    .header {
        padding: 0 var(--spacing-4);
    }
    
    .content {
        padding: var(--spacing-4);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr;
    }
    
    .modal {
        width: 95%;
        max-height: 95vh;
    }
    
    .toast-container {
        left: var(--spacing-4);
        right: var(--spacing-4);
    }
    
    .toast {
        min-width: auto;
    }
    
    /* Campaign creation 2-column layout to single column on mobile */
    div[style*="grid-template-columns: 1fr 400px"] {
        grid-template-columns: 1fr !important;
    }
    
    #recipient-panel,
    #lead-selector-panel {
        position: relative !important;
        top: 0 !important;
        margin-top: var(--spacing-4);
    }
    
    /* Quick actions to stack on mobile */
    .quick-actions {
        flex-direction: column !important;
    }
    
    .quick-action-btn {
        width: 100% !important;
    }
    
    /* Table horizontal scroll */
    .table-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .table {
        min-width: 800px;
    }
    
    /* Buttons stack on mobile (except campaign buttons) */
    .d-flex.gap-3:not(.campaign-buttons) {
        flex-direction: column !important;
    }
    
    .d-flex.gap-3:not(.campaign-buttons) > * {
        width: 100%;
    }
    
    /* Campaign buttons stay side by side */
    .campaign-buttons {
        flex-wrap: wrap;
        justify-content: flex-end;
    }
    
    .campaign-buttons .btn {
        flex: 1;
        min-width: 140px;
        font-size: 0.75rem;
        padding: var(--spacing-2) var(--spacing-3);
    }
    
    /* SMS send page mobile layout */
    .sms-send-layout {
        grid-template-columns: 1fr !important;
    }
    
    #lead-selector-panel .card {
        position: relative !important;
        top: 0 !important;
    }
    
    /* Form adjustments */
    .form-control {
        font-size: 16px; /* Prevent zoom on iOS */
    }
    
    /* Hide sidebar toggle text */
    #sidebar-toggle {
        min-width: 40px;
    }
    
    /* Hide page title on mobile */
    .page-title-desktop {
        display: none !important;
    }
    
    /* Compact mobile header */
    .header {
        padding: 0 var(--spacing-3);
        gap: var(--spacing-2);
    }
    
    .header .d-flex {
        gap: var(--spacing-2) !important;
    }
    
    /* Smaller buttons in header */
    .header .btn-sm {
        padding: var(--spacing-1) var(--spacing-2);
        font-size: 0.75rem;
    }
    
    /* Hide user name text on mobile, show only logout */
    .header .text-gray-600 {
        display: none;
    }
    
    /* Dil butonları daha küçük */
    .header .btn.btn-sm[title] {
        padding: var(--spacing-1) var(--spacing-2);
        min-width: 42px;
    }
    
    /* Desktop/Mobile view toggle */
    .desktop-only {
        display: block !important;
    }
    
    .mobile-only {
        display: none !important;
    }
}

@media (max-width: 768px) {
    .desktop-only {
        display: none !important;
    }
    
    .mobile-only {
        display: block !important;
    }
    
    /* Show mobile bottom nav */
    .mobile-bottom-nav {
        display: flex !important;
    }
    
    /* Hide quick actions on mobile */
    .quick-actions {
        display: none !important;
    }
    
    /* Add padding to bottom for fixed nav */
    .main-content {
        padding-bottom: 80px;
    }
}

@media (max-width: 480px) {
    .btn {
        padding: var(--spacing-2) var(--spacing-4);
        font-size: var(--font-size-xs);
    }
    
    .auth-card {
        padding: var(--spacing-6);
    }
    
    .stat-value {
        font-size: var(--font-size-3xl);
    }
    
    .metric-value {
        font-size: var(--font-size-2xl);
    }
    
    .wizard-steps {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        padding: 0 var(--spacing-2);
    }
    
    .wizard-steps::before {
        display: none;
    }
    
    .wizard-step {
        flex: 1;
    }
    
    .wizard-step-number {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .wizard-step-label {
        font-size: 0.625rem;
    }
    
    /* Card titles smaller */
    .card-title {
        font-size: var(--font-size-lg);
    }
    
    /* Stats grid full width */
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
    
    /* Hide some table columns on very small screens */
    .table th:nth-child(n+4),
    .table td:nth-child(n+4) {
        display: none;
    }
    
    /* Make panels full width */
    div[style*="grid-template-columns"] {
        display: block !important;
    }
    
    /* Header flex wrap */
    .header {
        flex-wrap: wrap;
        height: auto;
        min-height: var(--header-height);
    }
    
    /* Pagination smaller */
    .pagination {
        flex-wrap: wrap;
        gap: var(--spacing-1);
    }
    
    .pagination-btn {
        padding: var(--spacing-1) var(--spacing-2);
        font-size: var(--font-size-xs);
    }
}

/* Desktop/Mobile Content Toggle (Default) */
.desktop-only {
    display: block;
}

.mobile-only {
    display: none;
}

/* Mobile Bottom Navigation */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    border-top: 1px solid var(--gray-200);
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: var(--spacing-2) 0;
}

.mobile-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2);
    text-decoration: none;
    color: var(--gray-600);
    transition: all var(--transition-fast);
}

.mobile-nav-item:hover,
.mobile-nav-item:active {
    color: var(--primary-color);
    background: var(--primary-lightest);
}

.mobile-nav-icon {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-1);
}

.mobile-nav-label {
    font-size: 0.625rem;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ========== 8. Modern Enhancements ========== */

/* Smooth Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-hover);
}

/* Selection */
::selection {
    background-color: var(--primary-lightest);
    color: var(--primary-dark);
}

/* Focus Visible */
*:focus-visible {
    outline: 3px solid var(--primary-lightest);
    outline-offset: 2px;
}

/* Glassmorphism Effect */
.glass {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Hover Lift Effect - Disabled */
.hover-lift {
    transition: box-shadow var(--transition-base);
}

.hover-lift:hover {
    box-shadow: var(--shadow-xl);
}

/* Modern Input Groups */
.input-group {
    display: flex;
    gap: var(--spacing-2);
    align-items: stretch;
}

.input-group .form-control {
    flex: 1;
}

/* Feature Cards */
.feature-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-100);
    transition: box-shadow var(--transition-base), border-color var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-light) 100%);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-lightest);
}

/* ========== 9. Email Marketing Specific Components ========== */

/* Email Preview Card */
.email-preview-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--gray-100);
    overflow: hidden;
    margin-bottom: var(--spacing-6);
}

.email-preview-header {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    padding: var(--spacing-4) var(--spacing-6);
    border-bottom: 2px solid var(--gray-200);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.email-preview-subject {
    font-weight: var(--font-weight-bold);
    color: var(--gray-900);
    font-size: var(--font-size-lg);
}

.email-preview-body {
    padding: var(--spacing-6);
    max-height: 400px;
    overflow-y: auto;
    background: var(--white);
}

/* Campaign Progress Bar */
.campaign-progress {
    background: var(--gray-100);
    border-radius: var(--radius-full);
    height: 12px;
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

.campaign-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-full);
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.campaign-progress-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* SMTP Status Indicator */
.smtp-status {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
}

.smtp-status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.smtp-status.connected .smtp-status-dot {
    background: var(--success);
    box-shadow: 0 0 10px var(--success);
}

.smtp-status.disconnected .smtp-status-dot {
    background: var(--error);
    box-shadow: 0 0 10px var(--error);
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.2); }
}

@keyframes pulse-alert {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

/* Email Stats Mini Card */
.email-stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-4);
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.email-stat:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-purple);
}

.email-stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.email-stat-icon.success {
    background: linear-gradient(135deg, var(--success-light) 0%, var(--success) 100%);
}

.email-stat-icon.error {
    background: linear-gradient(135deg, var(--error-light) 0%, var(--error) 100%);
}

.email-stat-icon.info {
    background: linear-gradient(135deg, var(--info-light) 0%, var(--info) 100%);
}

.email-stat-icon.primary {
    background: linear-gradient(135deg, var(--primary-lightest) 0%, var(--primary-light) 100%);
}

.email-stat-content {
    flex: 1;
}

.email-stat-label {
    font-size: var(--font-size-xs);
    color: var(--gray-600);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.email-stat-value {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--gray-900);
}

/* Campaign Timeline */
.timeline {
    position: relative;
    padding-left: var(--spacing-8);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-full);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--spacing-6);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -41px;
    top: 4px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 4px solid var(--white);
    box-shadow: 0 0 0 4px var(--primary-lightest);
}

.timeline-content {
    background: var(--white);
    padding: var(--spacing-4);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

/* Lead Score Badge */
.lead-score {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-sm);
}

.lead-score.hot {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: var(--error-dark);
}

.lead-score.warm {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: var(--warning-dark);
}

.lead-score.cold {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: var(--info-dark);
}

/* Email Template Selector */
.template-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-6);
}

.template-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 2px solid var(--gray-100);
    cursor: pointer;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
    position: relative;
}

.template-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-purple);
}

.template-card.selected {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px var(--primary-lightest);
}

.template-card.selected::after {
    content: '✓';
    position: absolute;
    top: var(--spacing-4);
    right: var(--spacing-4);
    width: 32px;
    height: 32px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-bold);
}

.template-preview {
    height: 200px;
    background: var(--gray-50);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.template-info {
    padding: var(--spacing-4);
}

.template-name {
    font-weight: var(--font-weight-bold);
    color: var(--gray-900);
    margin-bottom: var(--spacing-2);
}

/* Activity Feed */
.activity-feed {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
}

.activity-item {
    display: flex;
    gap: var(--spacing-4);
    padding: var(--spacing-4);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.activity-item:hover {
    background: var(--primary-lightest);
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.activity-icon.sent {
    background: linear-gradient(135deg, var(--success-light) 0%, var(--success) 100%);
}

.activity-icon.opened {
    background: linear-gradient(135deg, var(--info-light) 0%, var(--info) 100%);
}

.activity-icon.clicked {
    background: linear-gradient(135deg, var(--primary-lightest) 0%, var(--primary-light) 100%);
}

.activity-content {
    flex: 1;
}

.activity-title {
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    margin-bottom: var(--spacing-1);
}

.activity-time {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
}

/* Quick Actions Bar */
.quick-actions {
    background: linear-gradient(135deg, var(--white) 0%, var(--primary-lightest) 100%);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    display: flex;
    gap: var(--spacing-4);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-8);
}

.quick-action-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-6);
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 2px solid var(--gray-200);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    color: var(--gray-700);
}

.quick-action-btn:hover {
    border-color: var(--primary-color);
    background: var(--primary-lightest);
    box-shadow: var(--shadow-lg);
}

.quick-action-icon {
    font-size: 2.5rem;
    filter: drop-shadow(0 2px 4px rgba(119, 71, 166, 0.2));
}

.quick-action-label {
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
}

/* Campaign Status Timeline */
.status-timeline {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-4);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
}

.status-step {
    flex: 1;
    text-align: center;
    padding: var(--spacing-2);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all var(--transition-fast);
}

.status-step.active {
    background: var(--primary-color);
    color: var(--white);
    box-shadow: var(--shadow-purple);
}

.status-step.completed {
    background: var(--success);
    color: var(--white);
}

.status-step.pending {
    background: var(--white);
    color: var(--gray-500);
    border: 1px solid var(--gray-300);
}

/* Metric Cards (Email Marketing Stats) */
.metric-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    display: flex;
    align-items: center;
    gap: var(--spacing-5);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-100);
    transition: box-shadow var(--transition-base);
    position: relative;
    overflow: hidden;
}

.metric-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100%;
    background: linear-gradient(90deg, transparent 0%, var(--primary-lightest) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.metric-card:hover::after {
    opacity: 1;
}

.metric-card:hover {
    box-shadow: var(--shadow-lg);
}

.metric-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.metric-icon.purple {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    box-shadow: 0 8px 16px rgba(119, 71, 166, 0.3);
}

.metric-icon.green {
    background: linear-gradient(135deg, var(--success) 0%, var(--success-dark) 100%);
    box-shadow: 0 8px 16px rgba(16, 185, 129, 0.3);
}

.metric-icon.blue {
    background: linear-gradient(135deg, var(--info) 0%, var(--info-dark) 100%);
    box-shadow: 0 8px 16px rgba(59, 130, 246, 0.3);
}

.metric-icon.orange {
    background: linear-gradient(135deg, var(--warning) 0%, var(--warning-dark) 100%);
    box-shadow: 0 8px 16px rgba(245, 158, 11, 0.3);
}

.metric-details {
    flex: 1;
    position: relative;
    z-index: 1;
}

.metric-label {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-1);
}

.metric-value {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--gray-900);
    line-height: 1;
}

.metric-change {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    margin-top: var(--spacing-2);
}

/* Lead Tag System */
.lead-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
}

.lead-tag {
    padding: var(--spacing-1) var(--spacing-3);
    background: var(--gray-100);
    color: var(--gray-700);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
}

.lead-tag:hover {
    background: var(--primary-lightest);
    color: var(--primary-color);
}

/* Empty State (Better UX) */
.empty-state {
    text-align: center;
    padding: var(--spacing-12) var(--spacing-6);
}

.empty-state-icon {
    font-size: 5rem;
    margin-bottom: var(--spacing-6);
    filter: grayscale(0.5) opacity(0.5);
}

.empty-state-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--gray-700);
    margin-bottom: var(--spacing-4);
}

.empty-state-description {
    color: var(--gray-500);
    margin-bottom: var(--spacing-8);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* Search Bar (Enhanced) */
.search-bar {
    position: relative;
    max-width: 400px;
}

.search-bar input {
    padding-left: var(--spacing-10);
}

.search-bar::before {
    content: '🔍';
    position: absolute;
    left: var(--spacing-4);
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.25rem;
    pointer-events: none;
}

/* Info Box */
.info-box {
    background: linear-gradient(135deg, var(--info-light) 0%, #eff6ff 100%);
    border-left: 4px solid var(--info);
    padding: var(--spacing-5);
    border-radius: var(--radius-lg);
    margin: var(--spacing-6) 0;
    box-shadow: var(--shadow-sm);
}

.info-box-title {
    font-weight: var(--font-weight-bold);
    color: var(--info-dark);
    margin-bottom: var(--spacing-2);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.info-box-content {
    color: var(--info-dark);
    font-size: var(--font-size-sm);
}

/* Tag Input */
.tag-input-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
    padding: var(--spacing-3);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    min-height: 48px;
    cursor: text;
    transition: all var(--transition-fast);
}

.tag-input-wrapper:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px var(--primary-lightest);
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-1) var(--spacing-3);
    background: var(--primary-lightest);
    color: var(--primary-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.tag-remove {
    cursor: pointer;
    font-weight: var(--font-weight-bold);
    padding: 0 var(--spacing-1);
}

.tag-remove:hover {
    color: var(--error);
}

/* HTML Editor Styles */
.html-editor-wrapper {
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color var(--transition-fast);
}

.html-editor-wrapper:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px var(--primary-lightest);
}

.html-editor-toolbar {
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
    border-bottom: 1px solid var(--gray-200);
    padding: var(--spacing-2);
    display: flex;
    gap: var(--spacing-1);
    flex-wrap: wrap;
}

.html-editor-btn {
    padding: var(--spacing-2) var(--spacing-3);
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
    color: var(--gray-700);
    min-width: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.html-editor-btn:hover {
    background: var(--primary-lightest);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.html-editor-select {
    padding: var(--spacing-2) var(--spacing-3);
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    color: var(--gray-700);
}

.html-editor-select:hover {
    border-color: var(--primary-color);
}

.html-editor-content {
    padding: var(--spacing-4);
    min-height: 300px;
    max-height: 500px;
    overflow-y: auto;
    background: var(--white);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-900);
}

.html-editor-content:focus {
    outline: none;
}

.html-editor-content.source-mode {
    font-family: 'Courier New', monospace;
    white-space: pre-wrap;
    color: var(--gray-700);
    background: var(--gray-50);
}

.html-editor-content p {
    margin-bottom: 1em;
}

.html-editor-content a {
    color: var(--primary-color);
    text-decoration: underline;
}

.html-editor-content ul, 
.html-editor-content ol {
    margin-left: 2em;
    margin-bottom: 1em;
}

.html-editor-content ul {
    list-style: disc;
}

.html-editor-content ol {
    list-style: decimal;
}

.html-editor-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: var(--spacing-4) 0;
}

/* Inline Input Box for Link/Image */
.inline-input-box {
    padding: var(--spacing-3);
    background: var(--primary-lightest);
    border-bottom: 1px solid var(--primary-color);
}

.inline-input-box input {
    font-size: var(--font-size-sm);
}

/* ========== 10. Print Styles ========== */
@media print {
    .sidebar,
    .header,
    .btn,
    .modal-overlay,
    .quick-actions {
        display: none;
    }
    
    .main-content {
        margin-left: 0;
        width: 100%;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid var(--gray-300);
        break-inside: avoid;
    }
}

/* ========== 11. Google Maps Styles ========== */

/* Places Grid - Search Results */
.places-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-6);
    margin-top: var(--spacing-4);
}

/* Place Card */
.place-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-5);
    transition: all var(--transition-base);
    position: relative;
}

.place-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.place-card-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
    padding-bottom: var(--spacing-4);
    border-bottom: 1px solid var(--gray-200);
}

.place-checkbox {
    margin-top: 4px;
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.place-name {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    cursor: pointer;
    flex: 1;
    line-height: 1.4;
}

.place-card-body {
    margin-bottom: var(--spacing-4);
}

.place-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-3);
}

.place-rating small {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
}

.place-address,
.place-phone,
.place-status {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--gray-700);
    line-height: 1.5;
}

.place-address .icon,
.place-phone .icon {
    margin-top: 2px;
}

.place-card-footer {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--gray-200);
}

/* Stats Grid Enhancement */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
}

.stat-card {
    background: linear-gradient(135deg, var(--primary-lightest) 0%, var(--white) 100%);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    transition: all var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-purple);
}

.stat-icon {
    font-size: 2.5rem;
    line-height: 1;
}

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    line-height: 1.2;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    font-weight: var(--font-weight-medium);
    margin-top: var(--spacing-1);
}

/* Form Row for Multiple Fields */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-4);
}

.form-text {
    display: block;
    margin-top: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.form-text a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
}

.form-text a:hover {
    text-decoration: underline;
}

/* Action Buttons Group */
.action-buttons {
    display: flex;
    gap: var(--spacing-2);
    align-items: center;
}

/* Table Enhancements for Google Maps */
.table td small {
    color: var(--gray-600);
}

.table .text-primary {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
}

.table .text-primary:hover {
    text-decoration: underline;
}

/* Pagination Styles */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-4);
    margin-top: var(--spacing-6);
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--gray-200);
}

.pagination-info {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    font-weight: var(--font-weight-medium);
}

/* Empty State Enhancement */
.empty-state {
    text-align: center;
    padding: var(--spacing-16) var(--spacing-8);
    color: var(--gray-600);
}

.empty-icon {
    font-size: 5rem;
    margin-bottom: var(--spacing-6);
    opacity: 0.5;
}

.empty-state h3 {
    font-size: var(--font-size-2xl);
    color: var(--gray-800);
    margin-bottom: var(--spacing-3);
}

.empty-state p {
    font-size: var(--font-size-base);
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .places-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .place-card-footer {
        flex-direction: column;
    }
    
    .place-card-footer .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ========== 12. Web Scraper Styles ========== */

/* Progress Bar Container */
.progress-container {
    margin: var(--spacing-4) 0;
}

.progress-bar {
    width: 100%;
    height: 30px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.progress-text {
    text-align: center;
    margin-top: var(--spacing-2);
    font-weight: var(--font-weight-semibold);
    color: var(--gray-700);
    font-size: var(--font-size-lg);
}

/* Scraping Results */
#scrapingResults {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: var(--spacing-4);
    background: var(--gray-50);
}

#scrapingResults:empty {
    display: none;
}

/* Status Badge in Table */
.status-badge {
    display: inline-block;
    min-width: 80px;
    text-align: center;
}

/* Badge Error */
.badge-error {
    background: var(--error-light);
    color: var(--error-dark);
    border: 1px solid var(--error);
}