/* ================================
   CONTACT CAMPAIGN SYSTEM - STYLES
   Modern, Elegant, User-Friendly
   ================================ */

/* CSS Variables - Color Palette */
:root {
    /* Primary Colors */
    --primary-50: #eef2ff;
    --primary-100: #e0e7ff;
    --primary-200: #c7d2fe;
    --primary-300: #a5b4fc;
    --primary-400: #818cf8;
    --primary-500: #6366f1;
    --primary-600: #4f46e5;
    --primary-700: #4338ca;
    --primary-800: #3730a3;
    --primary-900: #312e81;

    /* Accent Colors */
    --accent-cyan: #06b6d4;
    --accent-emerald: #10b981;
    --accent-amber: #f59e0b;
    --accent-rose: #f43f5e;

    /* Neutral Colors */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Status Colors */
    --success: #22c55e;
    --warning: #eab308;
    --error: #ef4444;
    --info: #3b82f6;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--gray-900);
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    color: var(--gray-600);
}

a {
    color: var(--primary-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-700);
}

/* ================================
   ANIMATIONS
   ================================ */

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Animation Classes */
.animate-fade-in { animation: fadeIn 0.5s ease-out forwards; }
.animate-fade-in-up { animation: fadeInUp 0.5s ease-out forwards; }
.animate-fade-in-down { animation: fadeInDown 0.5s ease-out forwards; }
.animate-slide-in-left { animation: slideInLeft 0.5s ease-out forwards; }
.animate-slide-in-right { animation: slideInRight 0.5s ease-out forwards; }
.animate-scale-in { animation: scaleIn 0.3s ease-out forwards; }
.animate-pulse { animation: pulse 2s infinite; }
.animate-float { animation: float 3s ease-in-out infinite; }
.animate-spin { animation: spin 1s linear infinite; }
.animate-bounce { animation: bounce 1s ease-in-out infinite; }

/* Stagger delays */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }

/* ================================
   AUTH PAGES
   ================================ */

.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-800) 50%, var(--gray-900) 100%);
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
    position: relative;
    overflow: hidden;
    padding: 2rem;
}

.auth-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.auth-card {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    width: 100%;
    max-width: 440px;
    padding: 3rem;
    position: relative;
    animation: scaleIn 0.5s ease-out;
}

.auth-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
    border-radius: var(--radius-lg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    animation: float 3s ease-in-out infinite;
}

.auth-logo-icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.auth-logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-600), var(--primary-800));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-logo p {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: 0.25rem;
}

.auth-divider {
    display: flex;
    align-items: center;
    margin: 1.5rem 0;
    color: var(--gray-400);
    font-size: 0.875rem;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--gray-200);
}

.auth-divider span {
    padding: 0 1rem;
}

/* ================================
   FORMS
   ================================ */

.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.form-label.required::after {
    content: '*';
    color: var(--error);
    margin-left: 0.25rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    color: var(--gray-800);
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    transition: all var(--transition-fast);
    outline: none;
}

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

.form-input:focus {
    border-color: var(--primary-500);
    background: white;
    box-shadow: 0 0 0 4px var(--primary-100);
}

.form-input::placeholder {
    color: var(--gray-400);
}

.form-input.error {
    border-color: var(--error);
}

.form-input.error:focus {
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}

.form-input-icon {
    position: relative;
}

.form-input-icon .form-input {
    padding-left: 2.75rem;
}

.form-input-icon svg {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1.25rem;
    height: 1.25rem;
    color: var(--gray-400);
    pointer-events: none;
    transition: color var(--transition-fast);
}

.form-input-icon:focus-within svg {
    color: var(--primary-500);
}

.form-hint {
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin-top: 0.375rem;
}

.form-error {
    font-size: 0.8125rem;
    color: var(--error);
    margin-top: 0.375rem;
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}

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

/* Checkbox & Radio */
.form-checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.form-checkbox {
    width: 1.125rem;
    height: 1.125rem;
    accent-color: var(--primary-600);
    cursor: pointer;
    margin-top: 0.125rem;
    flex-shrink: 0;
}

.form-checkbox-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    line-height: 1.5;
    cursor: pointer;
}

.form-checkbox-label a {
    color: var(--primary-600);
    font-weight: 500;
}

/* ================================
   BUTTONS
   ================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 500;
    line-height: 1.5;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn svg {
    width: 1.25rem;
    height: 1.25rem;
}

/* Primary Button */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    box-shadow: 0 2px 4px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
    transform: translateY(-1px);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

/* Secondary Button */
.btn-secondary {
    background: white;
    color: var(--gray-700);
    border: 2px solid var(--gray-200);
}

.btn-secondary:hover:not(:disabled) {
    border-color: var(--gray-300);
    background: var(--gray-50);
}

/* Outline Button */
.btn-outline {
    background: transparent;
    color: var(--primary-600);
    border: 2px solid var(--primary-200);
}

.btn-outline:hover:not(:disabled) {
    background: var(--primary-50);
    border-color: var(--primary-300);
}

/* Ghost Button */
.btn-ghost {
    background: transparent;
    color: var(--gray-600);
}

.btn-ghost:hover:not(:disabled) {
    background: var(--gray-100);
    color: var(--gray-800);
}

/* Danger Button */
.btn-danger {
    background: linear-gradient(135deg, var(--error), #dc2626);
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
}

/* Success Button */
.btn-success {
    background: linear-gradient(135deg, var(--success), #16a34a);
    color: white;
}

.btn-success:hover:not(:disabled) {
    background: linear-gradient(135deg, #16a34a, #15803d);
}

/* Button Sizes */
.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

/* Google Button */
.btn-google {
    background: white;
    color: var(--gray-700);
    border: 2px solid var(--gray-200);
    font-weight: 500;
}

.btn-google:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

.btn-google svg {
    width: 1.25rem;
    height: 1.25rem;
}

/* Button Loading */
.btn-loading {
    position: relative;
    pointer-events: none;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* ================================
   LAYOUT - SIDEBAR & MAIN
   ================================ */

.app-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 280px;
    background: linear-gradient(180deg, var(--gray-900) 0%, var(--gray-800) 100%);
    padding: 1.5rem;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    overflow-y: auto;
    z-index: 100;
    animation: slideInLeft 0.4s ease-out;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    margin-bottom: 2rem;
}

.sidebar-logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-logo-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.sidebar-logo-text {
    font-size: 1.125rem;
    font-weight: 700;
    color: white;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.sidebar-section {
    margin-bottom: 1.5rem;
}

.sidebar-section-title {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.5rem 0.75rem;
    margin-bottom: 0.5rem;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--gray-300);
    border-radius: var(--radius);
    transition: all var(--transition-fast);
    font-size: 0.9375rem;
    font-weight: 500;
}

.sidebar-link:hover {
    background: rgba(255, 255, 255, 0.05);
    color: white;
}

.sidebar-link.active {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.sidebar-link svg {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
}

.sidebar-link .badge {
    margin-left: auto;
    background: var(--primary-500);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-full);
}

.sidebar-credits {
    margin-top: auto;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-credits-label {
    font-size: 0.75rem;
    color: var(--gray-400);
    margin-bottom: 0.25rem;
}

.sidebar-credits-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
}

.sidebar-credits-value span {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-400);
}

.sidebar-user {
    margin-top: 1.5rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar-user-avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--primary-500));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: white;
    font-size: 1rem;
}

.sidebar-user-info {
    flex: 1;
    min-width: 0;
}

.sidebar-user-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: white;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-email {
    font-size: 0.75rem;
    color: var(--gray-400);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    min-height: 100vh;
}

.main-header {
    background: white;
    border-bottom: 1px solid var(--gray-200);
    padding: 1.25rem 2rem;
    position: sticky;
    top: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.main-header-title {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.main-header-title h1 {
    font-size: 1.5rem;
    font-weight: 700;
}

.main-header-title p {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.main-header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.main-body {
    padding: 2rem;
    animation: fadeInUp 0.5s ease-out;
}

/* ================================
   CARDS
   ================================ */

.card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-100);
    overflow: hidden;
    transition: all var(--transition-normal);
}

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

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-100);
}

/* Stats Card */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    border: 1px solid var(--gray-100);
    box-shadow: var(--shadow);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-500), var(--accent-cyan));
}

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

.stat-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.stat-card-icon svg {
    width: 24px;
    height: 24px;
}

.stat-card-icon.primary {
    background: var(--primary-100);
    color: var(--primary-600);
}

.stat-card-icon.success {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success);
}

.stat-card-icon.warning {
    background: rgba(234, 179, 8, 0.1);
    color: var(--warning);
}

.stat-card-icon.info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info);
}

.stat-card-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.stat-card-label {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.stat-card-trend {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-top: 0.75rem;
    font-size: 0.8125rem;
    font-weight: 500;
}

.stat-card-trend.up {
    color: var(--success);
}

.stat-card-trend.down {
    color: var(--error);
}

/* ================================
   TABLES
   ================================ */

.table-container {
    overflow-x: auto;
}

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

.table th {
    text-align: left;
    padding: 1rem 1.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

.table td {
    padding: 1rem 1.5rem;
    font-size: 0.9375rem;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-100);
    transition: background var(--transition-fast);
}

.table tbody tr:hover td {
    background: var(--gray-50);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* ================================
   BADGES & TAGS
   ================================ */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.badge-primary {
    background: var(--primary-100);
    color: var(--primary-700);
}

.badge-success {
    background: rgba(34, 197, 94, 0.1);
    color: #15803d;
}

.badge-warning {
    background: rgba(234, 179, 8, 0.1);
    color: #a16207;
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: #b91c1c;
}

.badge-info {
    background: rgba(59, 130, 246, 0.1);
    color: #1d4ed8;
}

.badge-neutral {
    background: var(--gray-100);
    color: var(--gray-600);
}

/* Status Dot */
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot.success { background: var(--success); }
.status-dot.warning { background: var(--warning); }
.status-dot.danger { background: var(--error); }
.status-dot.info { background: var(--info); }
.status-dot.neutral { background: var(--gray-400); }

/* ================================
   MODALS
   ================================ */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 2rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

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

.modal {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.95) translateY(20px);
    transition: transform var(--transition-normal);
}

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

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    color: var(--gray-400);
    transition: all var(--transition-fast);
    cursor: pointer;
    background: transparent;
    border: none;
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--gray-600);
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    max-height: calc(90vh - 140px);
}

.modal-footer {
    padding: 1rem 1.5rem;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* ================================
   FILE UPLOAD
   ================================ */

.upload-zone {
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-lg);
    padding: 3rem 2rem;
    text-align: center;
    transition: all var(--transition-fast);
    cursor: pointer;
    background: var(--gray-50);
}

.upload-zone:hover {
    border-color: var(--primary-400);
    background: var(--primary-50);
}

.upload-zone.dragover {
    border-color: var(--primary-500);
    background: var(--primary-100);
    transform: scale(1.02);
}

.upload-zone-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-100), var(--primary-200));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.upload-zone-icon svg {
    width: 32px;
    height: 32px;
    color: var(--primary-600);
}

.upload-zone-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.5rem;
}

.upload-zone-subtitle {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.upload-zone-subtitle strong {
    color: var(--primary-600);
}

/* ================================
   PROGRESS
   ================================ */

.progress-bar {
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-500), var(--primary-600));
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

.progress-bar-fill.success {
    background: linear-gradient(90deg, var(--success), #16a34a);
}

.progress-bar-fill.warning {
    background: linear-gradient(90deg, var(--warning), #d97706);
}

.progress-bar-animated .progress-bar-fill {
    background: linear-gradient(
        90deg,
        var(--primary-500),
        var(--primary-400),
        var(--primary-500)
    );
    background-size: 200% 100%;
    animation: shimmer 2s linear infinite;
}

/* ================================
   ALERTS
   ================================ */

.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.alert svg {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.alert-message {
    font-size: 0.875rem;
}

.alert-info {
    background: var(--primary-50);
    border: 1px solid var(--primary-200);
    color: var(--primary-800);
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #166534;
}

.alert-warning {
    background: rgba(234, 179, 8, 0.1);
    border: 1px solid rgba(234, 179, 8, 0.3);
    color: #854d0e;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #991b1b;
}

/* ================================
   TABS
   ================================ */

.tabs {
    display: flex;
    border-bottom: 1px solid var(--gray-200);
    margin-bottom: 1.5rem;
}

.tab {
    padding: 0.875rem 1.25rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-500);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    cursor: pointer;
    transition: all var(--transition-fast);
    background: transparent;
    border-top: none;
    border-left: none;
    border-right: none;
}

.tab:hover {
    color: var(--gray-700);
}

.tab.active {
    color: var(--primary-600);
    border-bottom-color: var(--primary-600);
}

.tab-panel {
    display: none;
    animation: fadeIn 0.3s ease-out;
}

.tab-panel.active {
    display: block;
}

/* ================================
   TOOLTIPS
   ================================ */

.tooltip {
    position: relative;
}

.tooltip::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-4px);
    padding: 0.5rem 0.75rem;
    background: var(--gray-900);
    color: white;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: 100;
}

.tooltip:hover::before {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-8px);
}

/* ================================
   EMPTY STATES
   ================================ */

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.empty-state-icon svg {
    width: 40px;
    height: 40px;
    color: var(--gray-400);
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.empty-state-description {
    color: var(--gray-500);
    max-width: 400px;
    margin: 0 auto 1.5rem;
}

/* ================================
   PRICING CARDS
   ================================ */

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.pricing-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 2rem;
    border: 2px solid var(--gray-100);
    position: relative;
    transition: all var(--transition-normal);
}

.pricing-card:hover {
    border-color: var(--gray-200);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    border-color: var(--primary-500);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.pricing-card.featured::before {
    content: 'Most Popular';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 1rem;
    border-radius: var(--radius-full);
}

.pricing-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.pricing-name {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}

.pricing-price-currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-500);
}

.pricing-price-value {
    font-size: 3rem;
    font-weight: 700;
    color: var(--gray-900);
}

.pricing-price-period {
    color: var(--gray-500);
}

.pricing-credits {
    text-align: center;
    background: var(--gray-50);
    padding: 0.75rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
}

.pricing-credits strong {
    color: var(--primary-600);
}

.pricing-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
    font-size: 0.9375rem;
    color: var(--gray-600);
}

.pricing-features li svg {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--success);
}

/* ================================
   STEPS / WIZARD
   ================================ */

.steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2rem;
    position: relative;
}

.steps::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 60px;
    right: 60px;
    height: 2px;
    background: var(--gray-200);
    z-index: 0;
}

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

.step-number {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--gray-100);
    color: var(--gray-400);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    margin-bottom: 0.5rem;
    transition: all var(--transition-fast);
}

.step.active .step-number {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

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

.step-label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--gray-400);
}

.step.active .step-label,
.step.completed .step-label {
    color: var(--gray-700);
}

/* ================================
   CAMPAIGN FIELD SELECTOR
   ================================ */

.field-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.75rem;
}

.field-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.field-item:hover {
    border-color: var(--primary-300);
    background: var(--primary-50);
}

.field-item.selected {
    border-color: var(--primary-500);
    background: var(--primary-50);
}

.field-item input {
    display: none;
}

.field-item-checkbox {
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.field-item.selected .field-item-checkbox {
    background: var(--primary-500);
    border-color: var(--primary-500);
    color: white;
}

.field-item-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
}

.field-item .field-item-required {
    margin-left: auto;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--error);
}

/* ================================
   DROPDOWN
   ================================ */

.dropdown {
    position: relative;
}

.dropdown-toggle {
    cursor: pointer;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 200px;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
}

.dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(4px);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    color: var(--gray-700);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--gray-50);
}

.dropdown-item svg {
    width: 1rem;
    height: 1rem;
    color: var(--gray-400);
}

.dropdown-divider {
    height: 1px;
    background: var(--gray-100);
    margin: 0.5rem 0;
}

/* ================================
   AVATAR
   ================================ */

.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
}

.avatar-sm {
    width: 32px;
    height: 32px;
    font-size: 0.75rem;
}

.avatar-md {
    width: 40px;
    height: 40px;
    font-size: 0.875rem;
}

.avatar-lg {
    width: 56px;
    height: 56px;
    font-size: 1.125rem;
}

.avatar-xl {
    width: 80px;
    height: 80px;
    font-size: 1.5rem;
}

/* ================================
   SKELETON LOADING
   ================================ */

.skeleton {
    background: linear-gradient(90deg, var(--gray-200) 0%, var(--gray-100) 50%, var(--gray-200) 100%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

.skeleton-text {
    height: 1rem;
    border-radius: var(--radius-sm);
}

.skeleton-title {
    height: 1.5rem;
    width: 60%;
    border-radius: var(--radius-sm);
}

.skeleton-avatar {
    border-radius: var(--radius-full);
}

/* ================================
   TOAST NOTIFICATIONS
   ================================ */

.toast-container {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    min-width: 300px;
    max-width: 400px;
    animation: slideInRight 0.3s ease-out;
}

.toast-icon {
    width: 1.5rem;
    height: 1.5rem;
    flex-shrink: 0;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    font-size: 0.9375rem;
    margin-bottom: 0.125rem;
}

.toast-message {
    font-size: 0.8125rem;
    color: var(--gray-500);
}

.toast-close {
    padding: 0.25rem;
    color: var(--gray-400);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.toast-close:hover {
    color: var(--gray-600);
}

.toast.success .toast-icon { color: var(--success); }
.toast.error .toast-icon { color: var(--error); }
.toast.warning .toast-icon { color: var(--warning); }
.toast.info .toast-icon { color: var(--info); }

/* ================================
   UTILITIES
   ================================ */

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-gray-400 { color: var(--gray-400); }
.text-gray-500 { color: var(--gray-500); }
.text-gray-600 { color: var(--gray-600); }
.text-gray-700 { color: var(--gray-700); }
.text-primary { color: var(--primary-600); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-error { color: var(--error); }

.bg-gray-50 { background: var(--gray-50); }
.bg-gray-100 { background: var(--gray-100); }

.rounded { border-radius: var(--radius); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

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

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }

.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }

.w-full { width: 100%; }
.max-w-md { max-width: 28rem; }
.max-w-lg { max-width: 32rem; }
.max-w-xl { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ================================
   RESPONSIVE
   ================================ */

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }
}

@media (max-width: 768px) {
    .main-body {
        padding: 1rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .auth-card {
        padding: 2rem 1.5rem;
    }
}