:root {
    --primary: #7C3AED;
    --secondary: #06B6D4;
    --bg: #0F172A;
    --bg-card: rgba(30, 41, 59, 0.85);
    --text: #F1F5F9;
    --text-muted: #94A3B8;
    --text-soft: #CBD5E1;
    --border: rgba(148, 163, 184, 0.2);
}

* { box-sizing: border-box; }

html {
    color-scheme: dark;
}

body.dark-theme {
    background: var(--bg);
    color: var(--text);
    font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 1rem;
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* —— Global readable text (Bootstrap overrides) —— */
body.dark-theme h1,
body.dark-theme h2,
body.dark-theme h3,
body.dark-theme h4,
body.dark-theme h5,
body.dark-theme h6,
body.dark-theme .h1,
body.dark-theme .h2,
body.dark-theme .h3,
body.dark-theme .h4,
body.dark-theme .h5,
body.dark-theme .h6 {
    color: var(--text);
}

body.dark-theme p,
body.dark-theme li,
body.dark-theme label,
body.dark-theme .form-label,
body.dark-theme .lead,
body.dark-theme strong,
body.dark-theme .navbar-brand {
    color: var(--text-soft);
}

body.dark-theme .text-muted {
    color: var(--text-muted) !important;
}

body.dark-theme .text-secondary {
    color: var(--secondary) !important;
}

body.dark-theme .text-white {
    color: var(--text) !important;
}

body.dark-theme a:not(.btn):not(.nav-link):not(.sidebar-link) {
    color: #a5b4fc;
}

body.dark-theme a:not(.btn):hover {
    color: #c4b5fd;
}

body.dark-theme code,
body.dark-theme kbd {
    color: #e9d5ff;
    background-color: rgba(15, 23, 42, 0.7);
    padding: 0.12em 0.35em;
    border-radius: 4px;
    font-size: 0.9em;
}

body.dark-theme small,
body.dark-theme .small {
    color: var(--text-muted);
}

body.dark-theme .glass-card,
body.dark-theme .glass-card p,
body.dark-theme .glass-card h1,
body.dark-theme .glass-card h2,
body.dark-theme .glass-card h3,
body.dark-theme .glass-card h4,
body.dark-theme .glass-card h5,
body.dark-theme .glass-card h6,
body.dark-theme .glass-card label,
body.dark-theme .glass-card strong {
    color: var(--text);
}

body.dark-theme .glass-card .text-muted {
    color: var(--text-muted) !important;
}

.main-content { padding-top: 80px; }

/* Glassmorphism */
.glass-nav {
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: 16px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(124, 58, 237, 0.15);
}

.glass-card.glass-card-static:hover {
    transform: none;
    box-shadow: none;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--primary), #5B21B6);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #6D28D9, var(--primary));
}

.btn-outline-cyan {
    color: var(--secondary);
    border-color: var(--secondary);
}

.btn-outline-cyan:hover {
    background: var(--secondary);
    color: var(--bg);
}

/* Hero */
.hero-section {
    min-height: 90vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.2) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    pointer-events: none;
}

.hero-section::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.15) 0%, transparent 70%);
    bottom: 0;
    left: -50px;
    pointer-events: none;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
}

.gradient-text {
    color: var(--secondary);
    background: linear-gradient(135deg, #c4b5fd, #22d3ee);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

@supports not ((-webkit-background-clip: text) or (background-clip: text)) {
    .gradient-text {
        -webkit-text-fill-color: currentColor;
        color: var(--secondary);
        background: none;
    }
}

.dashboard-preview {
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

/* Features */
.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.3), rgba(6, 182, 212, 0.2));
    color: var(--secondary);
}

/* Pricing */
.pricing-card {
    padding: 2rem;
    height: 100%;
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: 0 0 30px rgba(124, 58, 237, 0.25);
}

.pricing-card .price {
    font-size: 2.5rem;
    font-weight: 800;
}

/* FAQ */
.accordion-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    margin-bottom: 0.5rem;
    border-radius: 8px !important;
    overflow: hidden;
}

.accordion-button {
    background: transparent;
    color: var(--text) !important;
    box-shadow: none !important;
}

.accordion-button:not(.collapsed) {
    background: rgba(124, 58, 237, 0.15);
    color: var(--text) !important;
}

.accordion-button.collapsed {
    color: var(--text-soft) !important;
}

.accordion-button::after {
    filter: brightness(0) invert(1);
    opacity: 0.85;
}

.accordion-body {
    color: var(--text-muted) !important;
}

/* Auth */
.auth-wrapper {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 0;
}

.auth-card {
    max-width: 420px;
    width: 100%;
    padding: 2.5rem;
}

/* Dashboard */
.dashboard-sidebar {
    min-height: 100vh;
    background: rgba(15, 23, 42, 0.95);
    border-right: 1px solid var(--border);
    padding: 1.5rem 0;
    position: fixed;
    width: 260px;
    left: 0;
    top: 0;
    z-index: 100;
}

.dashboard-main {
    margin-left: 260px;
    padding: 2rem;
    min-height: 100vh;
}

.stat-card {
    padding: 1.5rem;
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
}

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

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.2s;
}

.sidebar-link:hover,
.sidebar-link.active {
    color: var(--text);
    background: rgba(124, 58, 237, 0.15);
    border-right: 3px solid var(--primary);
}

.site-footer {
    background: rgba(15, 23, 42, 0.9);
    border-top: 1px solid var(--border);
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
}

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

.form-control,
.form-select {
    background: rgba(30, 41, 59, 0.95);
    border-color: var(--border);
    color: var(--text) !important;
}

.form-control::placeholder {
    color: #64748b;
    opacity: 1;
}

.form-control:focus,
.form-select:focus {
    background: rgba(30, 41, 59, 1);
    border-color: var(--primary);
    color: var(--text) !important;
    box-shadow: 0 0 0 0.2rem rgba(124, 58, 237, 0.35);
}

.form-check-label {
    color: var(--text-soft) !important;
}

.table-dark-custom {
    --bs-table-bg: transparent;
    --bs-table-color: var(--text);
    --bs-table-border-color: var(--border);
    color: var(--text);
}

.table-dark-custom thead th {
    color: var(--text-soft);
    background: rgba(15, 23, 42, 0.6);
    border-color: var(--border);
    font-weight: 600;
}

.table-dark-custom td,
.table-dark-custom th {
    color: var(--text);
    border-color: var(--border);
    vertical-align: middle;
}

/* Navbar */
.navbar-dark .navbar-nav .nav-link {
    color: #e2e8f0 !important;
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link:focus {
    color: #fff !important;
}

/* Buttons outline on dark */
.btn-outline-light {
    color: var(--text);
    border-color: rgba(148, 163, 184, 0.45);
}

.btn-outline-light:hover {
    color: var(--bg);
    background: var(--text);
    border-color: var(--text);
}

/* Alerts — readable on dark bg */
.alert {
    border: 1px solid var(--border);
}

.alert-success {
    color: #bbf7d0;
    background: rgba(22, 101, 52, 0.35);
    border-color: rgba(34, 197, 94, 0.4);
}

.alert-danger {
    color: #fecaca;
    background: rgba(127, 29, 29, 0.4);
    border-color: rgba(248, 113, 113, 0.4);
}

.alert-warning {
    color: #fef08a;
    background: rgba(113, 63, 18, 0.45);
    border-color: rgba(250, 204, 21, 0.45);
}

.alert-info {
    color: #a5f3fc;
    background: rgba(22, 78, 99, 0.4);
    border-color: rgba(34, 211, 238, 0.4);
}

/* Badges */
.badge {
    font-weight: 600;
}

/* Progress */
.progress {
    background: rgba(15, 23, 42, 0.8);
}

/* Dropdown */
.dropdown-menu-dark .dropdown-item {
    color: var(--text-soft);
}

.dropdown-menu-dark .dropdown-item:hover {
    color: #fff;
    background: rgba(124, 58, 237, 0.25);
}

.sidebar-subtitle {
    color: var(--text-muted) !important;
    font-size: 0.8rem;
}

.dashboard-main h4 {
    color: var(--text) !important;
}

.payment-detail label {
    color: var(--text-muted) !important;
}

/* Admin */
.nav-tabs {
    border-color: var(--border);
}

.nav-tabs .nav-link {
    color: var(--text-muted) !important;
    border-color: transparent;
}

.nav-tabs .nav-link:hover {
    color: var(--text-soft) !important;
    border-color: var(--border);
}

.nav-tabs .nav-link.active {
    background: rgba(124, 58, 237, 0.25);
    color: var(--text) !important;
    border-color: var(--border);
}

.dropdown-menu-dark {
    background: #1e293b;
    border-color: var(--border);
}

.page-link {
    color: var(--text-soft);
    background: rgba(30, 41, 59, 0.8);
    border-color: var(--border);
}

.page-item.active .page-link {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.page-link:hover {
    color: #fff;
    background: rgba(124, 58, 237, 0.3);
}

/* Auth pages */
.auth-card label,
.auth-card .form-label {
    color: var(--text-muted) !important;
}

/* Modal (admin) */
.modal {
    z-index: 1060;
}

.modal-backdrop {
    z-index: 1050;
}

.modal-content.bg-dark,
.modal-content {
    background: #1e293b;
    color: var(--text);
    border: 1px solid var(--border);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.55);
}

.modal .form-check-label {
    color: var(--text-soft);
}

.modal-header,
.modal-footer {
    border-color: var(--border);
}

.modal-title {
    color: var(--text);
}

.btn-close-white {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* Payment checkout */
.checkout-pending-banner {
    background: rgba(234, 179, 8, 0.12);
    border: 1px solid rgba(234, 179, 8, 0.45);
    border-radius: 12px;
    padding: 1.25rem;
}

.changelog-pre {
    white-space: pre-wrap;
    word-break: break-word;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    max-height: 240px;
    overflow-y: auto;
}

.checkout-proof-thumb {
    max-width: 100%;
    max-height: 200px;
    object-fit: contain;
    display: block;
}

.order-pending-notice {
    background: rgba(234, 179, 8, 0.12);
    border-width: 1px;
}

.order-pending-notice .alert-heading {
    color: #fbbf24;
}

.order-pending-notice code {
    font-size: 0.8em;
    word-break: break-all;
}

.checkout-page {
    max-width: 920px;
    margin: 0 auto;
    width: 100%;
}

.checkout-wrap {
    width: 100%;
    min-width: 0;
}

.checkout-card {
    overflow: hidden;
}

.checkout-card code {
    word-break: break-all;
}

.payment-timer,
.checkout-timer {
    background: rgba(124, 58, 237, 0.15);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    text-align: center;
}

.checkout-amount-box {
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.35);
    border-radius: 12px;
    padding: 1rem 1.25rem;
}

.checkout-amount-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--secondary);
    line-height: 1.2;
}

.checkout-grid {
    align-items: flex-start;
}

.checkout-qr-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 280px;
    margin: 0 auto;
}

.checkout-qr-frame {
    width: 100%;
    max-width: 240px;
    padding: 12px;
    background: #fff;
    border: 2px solid var(--border);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.checkout-qr-img {
    display: block;
    width: 100%;
    max-width: 216px;
    height: auto;
    max-height: 216px;
    object-fit: contain;
}

.checkout-details {
    min-width: 0;
}

.checkout-input-group .form-control {
    min-width: 0;
    font-size: 0.9rem;
}

.checkout-input-group {
    flex-wrap: nowrap;
}

.checkout-form-row {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

@media (min-width: 576px) {
    .checkout-form-row {
        flex-direction: row;
        align-items: stretch;
    }

    .checkout-form-row .form-control {
        flex: 1;
        min-width: 0;
    }
}

.dashboard-main {
    overflow-x: hidden;
}

.qr-image {
    border: 2px solid var(--border);
    padding: 8px;
    background: #fff;
    max-width: 100%;
    height: auto;
    object-fit: contain;
}

.payment-detail label {
    display: block;
    margin-bottom: 0.25rem;
}

@media (max-width: 575px) {
    .dashboard-main {
        padding: 1rem;
    }

    .checkout-amount-value {
        font-size: 1.5rem;
    }

    .checkout-header .badge {
        font-size: 0.7rem;
    }
}

@media (max-width: 991px) {
    .dashboard-sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
    }
    .dashboard-sidebar.show { transform: translateX(0); }
    .dashboard-main { margin-left: 0; }
}