:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --accent: #06b6d4;
    --dark: #0f172a;
    --dark-soft: #1e293b;
    --sidebar-width: 268px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.12);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --surface: #ffffff;
    --surface-muted: #f8fafc;
    --border: #e2e8f0;
    --text: #0f172a;
    --text-muted: #64748b;
}

* { box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    margin: 0;
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ─── Buttons ─── */
.btn {
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border: none;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

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

.btn-outline-primary:hover {
    background: var(--primary);
    border-color: var(--primary);
}

.btn-lg {
    border-radius: var(--radius-lg);
    padding: 0.75rem 1.75rem;
}

/* ─── Cards & surfaces ─── */
.card {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    padding: 1rem 1.25rem;
}

.card-body { padding: 1.25rem; }

.form-control, .form-select {
    border-radius: var(--radius-md);
    border-color: var(--border);
    padding: 0.625rem 0.875rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.alert {
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
}

/* ─── Landing ─── */
.landing-body { background: #fff; }

.landing-nav {
    background: rgba(15, 23, 42, 0.75) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.landing-nav .navbar-brand span { color: var(--primary-light) !important; }
.landing-nav .nav-link {
    font-weight: 500;
    font-size: 0.9375rem;
    opacity: 0.85;
    transition: opacity var(--transition);
}
.landing-nav .nav-link:hover { opacity: 1; }

.hero-section {
    background: linear-gradient(145deg, #0f172a 0%, #1e1b4b 40%, #312e81 100%);
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -15%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.35) 0%, transparent 65%);
    border-radius: 50%;
    animation: heroGlow 8s ease-in-out infinite alternate;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.2) 0%, transparent 70%);
    border-radius: 50%;
}

@keyframes heroGlow {
    from { transform: translate(0, 0) scale(1); }
    to { transform: translate(-30px, 20px) scale(1.05); }
}

.hero-section .container { position: relative; z-index: 1; }

.hero-section .badge {
    border-radius: 999px;
    padding: 0.5rem 1rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.phone-mockup {
    background: linear-gradient(145deg, #1a1a2e, #0f0f1a);
    border-radius: 44px;
    padding: 14px;
    max-width: 320px;
    margin: 0 auto;
    box-shadow: 0 32px 64px rgba(0, 0, 0, 0.5), var(--shadow-glow);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.phone-screen {
    background: #fafafa;
    border-radius: 34px;
    overflow: hidden;
    min-height: 480px;
    padding: 20px;
}

.ig-header { display: flex; gap: 12px; align-items: center; margin-bottom: 16px; }
.ig-avatar {
    width: 64px; height: 64px; border-radius: 50%;
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
}
.ig-name { font-weight: 700; font-size: 14px; }
.ig-stats { font-size: 11px; color: #666; }
.ig-tabs { display: flex; gap: 8px; margin-bottom: 12px; }
.ig-tabs span {
    font-size: 11px; padding: 5px 12px; border-radius: 999px;
    background: #eee; color: #666; font-weight: 500;
}
.ig-tabs span.active { background: var(--primary); color: #fff; }
.ig-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; }
.ig-card {
    aspect-ratio: 1;
    background: linear-gradient(135deg, #e0e7ff, #c7d2fe);
    border-radius: 6px;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text);
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.0625rem;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.feature-card {
    background: var(--surface);
    border-radius: var(--radius-xl);
    padding: 2rem;
    border: 1px solid var(--border);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(99, 102, 241, 0.25);
}

.feature-card h5 { font-weight: 700; margin-bottom: 0.75rem; }

.feature-icon {
    width: 56px; height: 56px; border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(99, 102, 241, 0.06));
    color: var(--primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; margin-bottom: 1.25rem;
}

.demo-card { text-align: center; }
.demo-preview {
    background: var(--surface-muted);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    min-height: 200px;
    border: 1px solid var(--border);
}
.demo-instagram .demo-profile { width: 48px; height: 48px; border-radius: 50%; background: #ddd; margin: 0 auto 12px; }
.demo-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; max-width: 120px; margin: 0 auto; }
.demo-grid span { aspect-ratio: 1; background: #c7d2fe; border-radius: 6px; }
.demo-chat { text-align: left; }
.chat-bubble { padding: 8px 12px; border-radius: 16px; font-size: 12px; margin-bottom: 8px; max-width: 80%; }
.chat-bubble.left { background: #efefef; margin-right: auto; border-bottom-left-radius: 4px; }
.chat-bubble.right { background: #0095f6; color: #fff; margin-left: auto; border-bottom-right-radius: 4px; }
.demo-simple .simple-avatar { width: 48px; height: 48px; border-radius: 50%; background: #ddd; margin: 0 auto 12px; }
.simple-btn { height: 32px; background: var(--primary); border-radius: var(--radius-md); margin-bottom: 8px; opacity: 0.7; }

.pricing-card {
    background: var(--surface);
    border: 2px solid var(--border);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    position: relative;
    transition: transform var(--transition), box-shadow var(--transition);
    height: 100%;
}

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

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
    transform: scale(1.02);
}

.pricing-badge {
    position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff; font-size: 0.75rem; font-weight: 600;
    padding: 0.35rem 1rem; border-radius: 999px;
}

.pricing-price { font-size: 2.5rem; font-weight: 800; color: var(--primary); margin: 1rem 0; letter-spacing: -0.02em; }
.pricing-price small { font-size: 1rem; color: var(--text-muted); font-weight: 400; }
.pricing-features { list-style: none; padding: 0; margin: 0 0 1.5rem; }
.pricing-features li { padding: 0.625rem 0; border-bottom: 1px solid #f1f5f9; font-size: 0.9375rem; }
.pricing-features li i { margin-right: 0.5rem; color: var(--primary); }

.landing-footer {
    background: var(--dark);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* ─── Auth ─── */
.auth-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, #0f172a 0%, #1e1b4b 50%, #312e81 100%);
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}

.auth-body::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.25) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.auth-container {
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 1;
}

.auth-logo {
    display: block;
    text-align: center;
    color: #fff;
    font-size: 1.75rem;
    font-weight: 800;
    text-decoration: none;
    margin-bottom: 1.75rem;
    letter-spacing: -0.02em;
}

.auth-logo span { color: var(--primary-light); }

.auth-card {
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
}

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

/* ─── Dashboard shell ─── */
.dashboard-wrapper { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
    color: #fff;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 200;
    border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar-admin {
    background: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
}

.sidebar-brand {
    padding: 1.5rem 1.25rem;
    font-size: 1.2rem;
    font-weight: 800;
    color: #fff;
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.sidebar-brand span { color: var(--primary-light); }

.sidebar-nav {
    flex: 1;
    padding: 1rem 0.75rem;
    overflow-y: auto;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 1rem;
    color: rgba(255, 255, 255, 0.65);
    text-decoration: none;
    border-radius: var(--radius-md);
    margin-bottom: 0.25rem;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: all var(--transition);
}

.sidebar-link i { font-size: 1.125rem; opacity: 0.85; }

.sidebar-link:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.sidebar-link.active {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.35), rgba(99, 102, 241, 0.15));
    color: #fff;
    box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.3);
}

.sidebar-link.active i { opacity: 1; }

.sidebar-footer {
    padding: 1rem 0.75rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.05);
}

.sidebar-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.sidebar-user-name {
    font-size: 0.8125rem;
    font-weight: 600;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-email {
    font-size: 0.6875rem;
    color: rgba(255, 255, 255, 0.5);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dashboard-topbar {
    display: none;
    align-items: center;
    justify-content: space-between;
    padding: 0.875rem 1rem;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 150;
}

.dashboard-topbar-brand {
    font-weight: 800;
    font-size: 1.0625rem;
    color: var(--text);
    text-decoration: none;
}

.dashboard-topbar-brand span { color: var(--primary); }

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    z-index: 190;
    backdrop-filter: blur(2px);
}

.sidebar-overlay.is-visible { display: block; }

.dashboard-main {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 2rem 2.25rem;
    background: var(--surface-muted);
    min-height: 100vh;
    background-image:
        radial-gradient(circle at 100% 0%, rgba(99, 102, 241, 0.04) 0%, transparent 40%),
        radial-gradient(circle at 0% 100%, rgba(6, 182, 212, 0.04) 0%, transparent 40%);
}

.page-header {
    margin-bottom: 1.75rem;
}

.page-header h1,
.page-header h2 {
    font-size: 1.625rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 0 0 0.35rem;
    color: var(--text);
}

.page-header p {
    color: var(--text-muted);
    margin: 0;
    font-size: 0.9375rem;
}

.page-header-row {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}

.stat-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
    height: 100%;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.stat-icon.bg-primary { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); }
.stat-icon.bg-success { background: linear-gradient(135deg, #10b981, #059669); }
.stat-icon.bg-info { background: linear-gradient(135deg, #06b6d4, #0891b2); }
.stat-icon.bg-warning { background: linear-gradient(135deg, #f59e0b, #d97706); }

.stat-value {
    font-size: 1.375rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-weight: 500;
}

.empty-state {
    text-align: center;
    padding: 4rem 1.5rem;
    color: var(--text-muted);
    background: var(--surface);
    border-radius: var(--radius-xl);
    border: 2px dashed var(--border);
}

.empty-state i {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
    opacity: 0.4;
    color: var(--primary);
}

.bio-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    border: 1px solid var(--border);
    position: relative;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    height: 100%;
}

.bio-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: rgba(99, 102, 241, 0.2);
}

.bio-card h6 { font-weight: 700; margin-bottom: 0.35rem; }

.bio-card-type {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    border-radius: 999px;
    font-weight: 500;
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.panel-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.panel-card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    background: var(--surface);
}

.panel-card-body { padding: 1.25rem; }

.flow-cta-card {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(6, 182, 212, 0.06));
    border: 1px solid rgba(99, 102, 241, 0.2) !important;
    border-radius: var(--radius-lg);
}

.img-preview {
    max-width: 100px;
    max-height: 100px;
    border-radius: var(--radius-md);
    display: block;
    object-fit: cover;
    border: 1px solid var(--border);
}

.sticky-preview { position: sticky; top: 1.25rem; }

.preview-iframe {
    width: 100%;
    height: 600px;
    border: none;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.link-thumb-wrap { flex-shrink: 0; }

.link-thumb {
    width: 88px;
    height: 88px;
    object-fit: cover;
    display: block;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--surface-muted);
}

.link-thumb-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    color: var(--text-muted);
    text-align: center;
    padding: 4px;
}

.gradient-editor-preview {
    height: 88px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.04);
}

.gradient-preset-btn {
    width: 44px;
    height: 44px;
    padding: 0;
    border: 2px solid #fff;
    border-radius: var(--radius-md);
    box-shadow: 0 0 0 1px var(--border);
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s;
}

.gradient-preset-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 0 0 2px var(--primary);
}

.gradient-preset-btn:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--primary);
}

.badge { font-weight: 500; border-radius: 999px; }

.table {
    --bs-table-bg: transparent;
}

.table thead th {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    font-weight: 600;
    border-bottom-width: 1px;
}

.benefit-item {
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    height: 100%;
    transition: background var(--transition), transform var(--transition);
}

.benefit-item:hover {
    background: rgba(255, 255, 255, 0.07);
    transform: translateY(-2px);
}

.accordion-modern .accordion-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-md) !important;
    margin-bottom: 0.75rem;
    overflow: hidden;
    background: var(--surface);
}

.accordion-modern .accordion-button {
    font-weight: 600;
    font-size: 0.9375rem;
    padding: 1rem 1.25rem;
    box-shadow: none !important;
}

.accordion-modern .accordion-button:not(.collapsed) {
    background: rgba(99, 102, 241, 0.06);
    color: var(--primary-dark);
}

/* ─── Responsive ─── */
@media (max-width: 991px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.25s ease;
    }

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

    .dashboard-main {
        margin-left: 0;
        padding: 1rem;
    }

    .dashboard-topbar {
        display: flex;
        margin: -1rem -1rem 1rem;
        padding: 0.875rem 1rem;
    }

    .sticky-preview { position: static; margin-top: 1.5rem; }

    .pricing-card.featured { transform: none; }
}

@media (min-width: 992px) {
    .dashboard-main { max-width: calc(100vw - var(--sidebar-width)); }
}