/* ============================================
   PayBridge - Main Stylesheet
   ============================================ */

/* CSS Variables */
:root {
    --bg-primary: #020617;
    --bg-secondary: #0f172a;
    --bg-card: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: #334155;
    --accent-blue: #3b82f6;
    --accent-cyan: #06b6d4;
    --accent-emerald: #10b981;
    --accent-amber: #f59e0b;
    --accent-red: #ef4444;
    --accent-purple: #8b5cf6;
    --gradient-primary: linear-gradient(135deg, #3b82f6, #06b6d4);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.3);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --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, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 600;
    line-height: 1.3;
}

a {
    color: inherit;
    text-decoration: none;
}

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

code, pre, .mono {
    font-family: 'JetBrains Mono', monospace;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-blue);
    color: white;
}

.btn-primary:hover {
    background: #2563eb;
}

.btn-secondary {
    background: white;
    color: var(--bg-primary);
}

.btn-secondary:hover {
    background: #f1f5f9;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: var(--bg-card);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.btn-danger {
    background: var(--accent-red);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
}

.btn-icon {
    width: 2.25rem;
    height: 2.25rem;
    padding: 0;
}

/* Form Elements */
.form-group {
    margin-bottom: 1rem;
}

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

.form-input {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.875rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    transition: border-color 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.form-input::placeholder {
    color: var(--text-muted);
}

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

.form-input-icon i {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.form-input-icon input {
    padding-left: 2.5rem;
}

.form-select {
    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='%2364748b' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

.form-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.form-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.form-switch .slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: 0.3s;
    border-radius: var(--radius-full);
}

.form-switch .slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

.form-switch input:checked + .slider {
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
}

.form-switch input:checked + .slider:before {
    transform: translateX(20px);
}

/* Cards */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

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

.card-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.card-body {
    padding: 1.5rem;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.875rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    border: 1px solid;
}

.badge-blue {
    background: rgba(59, 130, 246, 0.1);
    color: #60a5fa;
    border-color: rgba(59, 130, 246, 0.2);
}

.badge-green {
    background: rgba(16, 185, 129, 0.1);
    color: #34d399;
    border-color: rgba(16, 185, 129, 0.2);
}

.badge-amber {
    background: rgba(245, 158, 11, 0.1);
    color: #fbbf24;
    border-color: rgba(245, 158, 11, 0.2);
}

.badge-red {
    background: rgba(239, 68, 68, 0.1);
    color: #f87171;
    border-color: rgba(239, 68, 68, 0.2);
}

.badge-gray {
    background: rgba(100, 116, 139, 0.1);
    color: #94a3b8;
    border-color: rgba(100, 116, 139, 0.2);
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-emerald);
    animation: pulse 2s infinite;
}

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

/* ============================================
   Navigation
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(2, 6, 23, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

.navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
}

.logo-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.logo-icon.small {
    width: 24px;
    height: 24px;
    font-size: 0.75rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-links a:not(.btn) {
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: color 0.2s;
}

.nav-links a:not(.btn):hover {
    color: var(--text-primary);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem;
    flex-direction: column;
    gap: 0.5rem;
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu a {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
}

.mobile-menu a:hover {
    background: var(--bg-card);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .mobile-menu-btn {
        display: block;
    }
}

/* ============================================
   Landing Page
   ============================================ */

.landing-page {
    padding-top: 64px;
}

.hero {
    position: relative;
    padding: 5rem 0 4rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at top, rgba(59, 130, 246, 0.15), transparent 50%);
}

.hero-content {
    position: relative;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.hero-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.gateway-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.gateway-badge {
    padding: 0.75rem 1.5rem;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    .hero-subtitle {
        font-size: 1rem;
    }
}

/* Features Section */
.features {
    padding: 5rem 0;
    background: rgba(15, 23, 42, 0.5);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.section-header p {
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    padding: 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    transition: border-color 0.2s;
}

.feature-card:hover {
    border-color: var(--text-muted);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    background: rgba(59, 130, 246, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-blue);
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Code Section */
.code-section {
    padding: 5rem 0;
}

.code-tabs {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.code-tab-buttons {
    display: flex;
    border-bottom: 1px solid var(--border-color);
}

.code-tab-btn {
    padding: 1rem 1.5rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.code-tab-btn:hover {
    color: var(--text-primary);
}

.code-tab-btn.active {
    color: var(--accent-blue);
    background: rgba(30, 41, 59, 0.5);
    border-bottom: 2px solid var(--accent-blue);
}

.code-content {
    padding: 1.5rem;
}

.code-block {
    display: none;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    padding: 1rem;
    overflow-x: auto;
    margin: 0;
}

.code-block.active {
    display: block;
}

.code-block code {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    white-space: pre;
}

/* How It Works */
.how-it-works {
    padding: 5rem 0;
    background: rgba(15, 23, 42, 0.5);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.step-card {
    position: relative;
}

.step-number {
    font-size: 4rem;
    font-weight: 700;
    color: var(--bg-card);
    margin-bottom: 1rem;
}

.step-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.step-card p {
    color: var(--text-secondary);
}

/* CTA Section */
.cta-section {
    padding: 5rem 0;
}

.cta-card {
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    padding: 3rem;
    text-align: center;
}

.cta-card h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.cta-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
}

/* Footer */
.footer {
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--text-primary);
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ============================================
   Auth Pages
   ============================================ */

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.08), transparent 50%);
}

.auth-container {
    width: 100%;
    max-width: 400px;
}

.auth-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.auth-logo .logo-icon {
    width: 40px;
    height: 40px;
}

.auth-logo span {
    font-size: 1.5rem;
    font-weight: 700;
}

.auth-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2rem;
}

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

.auth-header h1 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.auth-header p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.auth-tabs {
    display: flex;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 0.25rem;
    margin-bottom: 1.5rem;
}

.auth-tab {
    flex: 1;
    padding: 0.5rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}

.auth-tab:hover {
    color: var(--text-primary);
}

.auth-tab.active {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

.back-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    transition: color 0.2s;
}

.back-link:hover {
    color: var(--text-primary);
}

/* OTP Input */
.otp-container {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin: 1.5rem 0;
}

.otp-input {
    width: 48px;
    height: 56px;
    text-align: center;
    font-size: 1.25rem;
    font-weight: 600;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
}

.otp-input:focus {
    outline: none;
    border-color: var(--accent-blue);
}

/* ============================================
   Dashboard Layout
   ============================================ */

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

/* Sidebar */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 256px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 50;
    transform: translateX(0);
    transition: transform 0.2s;
}

.sidebar.closed {
    transform: translateX(-100%);
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-nav {
    flex: 1;
    padding: 1.5rem 1rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0.75rem;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s;
    margin-bottom: 0.25rem;
}

.nav-item:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.nav-item.active {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-blue);
}

.nav-item i {
    width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 500;
}

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

.user-name {
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

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

.logout-btn {
    color: var(--text-secondary);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    transition: color 0.2s;
}

.logout-btn:hover {
    color: var(--accent-red);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 256px;
    min-height: 100vh;
    transition: margin-left 0.2s;
}

.sidebar.closed + .main-content {
    margin-left: 0;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 40;
    background: rgba(2, 6, 23, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.topbar-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
}

.page-content {
    padding: 2rem;
}

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
    }
    .menu-toggle {
        display: block;
    }
}

/* ============================================
   Dashboard Stats
   ============================================ */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.stat-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    margin-top: 0.25rem;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.stat-icon.green {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-emerald);
}

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

.stat-icon.purple {
    background: rgba(139, 92, 246, 0.1);
    color: var(--accent-purple);
}

.stat-icon.amber {
    background: rgba(245, 158, 11, 0.1);
    color: var(--accent-amber);
}

.stat-footer {
    margin-top: 0.75rem;
    font-size: 0.75rem;
    color: var(--accent-emerald);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.stat-link {
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* ============================================
   Tables
   ============================================ */

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

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

.data-table th,
.data-table td {
    padding: 0.875rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: transparent;
}

.data-table tr:hover {
    background: rgba(30, 41, 59, 0.3);
}

.table-empty {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.table-empty i {
    font-size: 3rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

/* ============================================
   Modal
   ============================================ */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
}

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

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(20px);
    transition: transform 0.2s;
}

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

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

.modal-title {
    font-size: 1.125rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.25rem;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* ============================================
   Payment Page (Public)
   ============================================ */

.payment-page {
    min-height: 100vh;
    background: linear-gradient(to bottom right, #f8fafc, #f1f5f9);
}

.payment-page .navbar {
    background: white;
    border-bottom: 1px solid #e2e8f0;
}

.payment-page .navbar-content {
    color: #1e293b;
}

.payment-page .logo {
    color: #1e293b;
}

.payment-container {
    max-width: 480px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.payment-card {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    overflow: hidden;
}

.payment-card .card-header {
    border-color: #f1f5f9;
}

.payment-card .card-title {
    color: #1e293b;
}

.payment-details {
    padding: 1.5rem;
}

.payment-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
}

.payment-row .label {
    color: #64748b;
}

.payment-row .value {
    color: #1e293b;
    font-weight: 500;
}

.payment-row code {
    background: #f1f5f9;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
}

.payment-summary {
    background: #f8fafc;
    border-radius: var(--radius-lg);
    padding: 1rem;
    margin: 1rem 0;
}

.payment-summary .total-row {
    border-top: 1px solid #e2e8f0;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
}

.payment-summary .total-row .label {
    font-weight: 600;
    color: #1e293b;
}

.payment-summary .total-row .value {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1e293b;
}

.payment-btn {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
    margin-top: 1rem;
}

.security-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
    font-size: 0.75rem;
    color: #64748b;
}

/* Success Page */
.success-page {
    min-height: 100vh;
    background: linear-gradient(to bottom right, #ecfdf5, #d1fae5);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.success-card {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    max-width: 400px;
    width: 100%;
    padding: 2rem;
    text-align: center;
}

.success-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--accent-emerald);
    font-size: 2.5rem;
}

.success-card h1 {
    font-size: 1.5rem;
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.success-card p {
    color: #64748b;
    margin-bottom: 1.5rem;
}

.success-details {
    background: #f8fafc;
    border-radius: var(--radius-lg);
    padding: 1rem;
    margin-bottom: 1.5rem;
    text-align: left;
}

.success-details .row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    font-size: 0.875rem;
}

.success-details .row .label {
    color: #64748b;
}

.success-details .row .value {
    color: #1e293b;
    font-weight: 500;
}

/* ============================================
   Loading & Animations
   ============================================ */

.loading-spinner {
    display: inline-block;
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.loading-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
}

.fade-in {
    animation: fadeIn 0.3s ease;
}

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

/* ============================================
   Utilities
   ============================================ */

.hidden { display: none !important; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mb-4 { margin-bottom: 1rem; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-muted { color: var(--text-secondary); }
.font-mono { font-family: 'JetBrains Mono', monospace; }
.truncate { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    padding: 1rem 1.25rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 300px;
    animation: slideIn 0.3s ease;
}

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

.toast.success {
    border-color: var(--accent-emerald);
}

.toast.error {
    border-color: var(--accent-red);
}

.toast i {
    font-size: 1.25rem;
}

.toast.success i {
    color: var(--accent-emerald);
}

.toast.error i {
    color: var(--accent-red);
}