/* ===== Theme ===== */
:root {
    --bg: #0b0f17;
    --bg-contrast: #111827;
    --surface: #141b29;
    --app-bg: #f5f7fb;
    --muted: #9aa6b2;
    --primary: #4fd1ff;
    --primary-dark: #7c8bff;
    --primary-100: rgba(79, 209, 255, 0.12);
    --primary-200: rgba(79, 209, 255, 0.2);
    --accent: #ff5fd8;
    --accent-dark: #ff3fb5;
    --border: rgba(255, 255, 255, 0.08);
    --border-light: rgba(255, 255, 255, 0.06);
    --text: #f5f7fb;
    --text-secondary: #c4cbd4;
    --shadow-soft: 0 8px 24px rgba(7, 9, 14, 0.4);
    --shadow-medium: 0 16px 40px rgba(7, 9, 14, 0.45);
    --shadow-strong: 0 24px 70px rgba(7, 9, 14, 0.55);
    --sidebar-collapsed: 72px;
    --sidebar-expanded: 260px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.35s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Fix for BOM character causing space */
body::before,
.app-shell::before,
.app-body::before {
    content: none !important;
    display: none !important;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Manrope', 'Segoe UI', sans-serif;
    background:
        radial-gradient(900px 520px at 12% 12%, rgba(79, 209, 255, 0.18), transparent 62%),
        radial-gradient(900px 520px at 88% 8%, rgba(255, 95, 216, 0.18), transparent 60%),
        radial-gradient(1200px 800px at 50% 120%, rgba(12, 16, 26, 0.95), transparent 70%),
        linear-gradient(180deg, #0b0f17 0%, #0c1322 55%, #0b0f17 100%);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    line-height: 1.6;
}

.app-body {
    background: var(--app-bg) !important;
    background-image: none !important;
    color: #0f172a;
}

body.app-body::before,
body.app-body::after,
.app-body::before,
.app-body::after {
    content: none !important;
    display: none !important;
}

.app-shell,
.app-surface {
    background: var(--app-bg);
}

h1, h2, h3, h4, .page-title {
    font-family: 'Merriweather', 'Georgia', serif;
    letter-spacing: -0.01em;
}

.app-body {
    margin: 0;
    padding: 0;
}

.app-shell {
    margin: 0;
    padding: 0;
}

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

a:hover,
a:focus,
a:active {
    text-decoration: none !important;
}

.app-shell {
    position: relative;
}

.app-surface {
    position: relative;
    min-height: 100vh;
    background: var(--app-bg);
}

.page-container {
    padding: 24px 18px 48px;
    background: var(--app-bg);
    min-height: 100vh;
}

.page-toolbar {
    background: linear-gradient(135deg, #121826 0%, #0b0f17 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: 20px 28px;
    color: #f8fafc;
    box-shadow: var(--shadow-medium);
    position: sticky;
    top: 18px;
    z-index: 10;
}

.page-title {
    font-weight: 700;
    letter-spacing: -0.02em;
}

.eyebrow {
    letter-spacing: 0.12em;
    font-size: 11px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
}

.toolbar-actions .btn {
    border-radius: 12px;
    padding: 10px 14px;
    font-weight: 600;
}

/* ===== AI Create Button (global) ===== */
.btn-ai-create {
    --ai-btn-h: 44px;
    --ai-btn-py: 12px;
    --ai-btn-px: 18px;
    --ai-btn-fs: 14px;
    --ai-btn-radius: 14px;
    --ai-btn-gap: 12px;

    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--ai-btn-gap);
    padding: var(--ai-btn-py) var(--ai-btn-px);
    min-height: var(--ai-btn-h);
    border-radius: var(--ai-btn-radius);
    font-size: var(--ai-btn-fs);
    font-weight: 800;
    letter-spacing: -0.01em;
    background: linear-gradient(135deg, var(--primary) 0%, #7c8bff 55%, var(--accent) 100%);
    color: #fff !important;
    border: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow: var(--shadow-medium);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast), background var(--transition-fast);
    user-select: none;
    white-space: nowrap;
}

.btn-ai-create:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-strong);
    filter: brightness(1.02);
}

.btn-ai-create:active {
    transform: translateY(0);
}

.btn-ai-create:disabled,
.btn-ai-create.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    filter: none;
    box-shadow: 0 12px 26px rgba(99, 102, 241, 0.18);
}

.btn-ai-create .btn-text {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-ai-create .btn-cost,
.btn-ai-create .token-cost {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(15, 23, 42, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.14);
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 900;
    line-height: 1;
}

.btn-ai-create .btn-cost i,
.btn-ai-create .token-cost i {
    color: #fbbf24;
}

.btn-ai-create--sm {
    --ai-btn-h: 36px;
    --ai-btn-py: 8px;
    --ai-btn-px: 12px;
    --ai-btn-fs: 13px;
    --ai-btn-radius: 12px;
    --ai-btn-gap: 10px;
}

.btn-ai-create--lg {
    --ai-btn-h: 52px;
    --ai-btn-py: 14px;
    --ai-btn-px: 22px;
    --ai-btn-fs: 16px;
    --ai-btn-radius: 16px;
    --ai-btn-gap: 14px;
}

.btn-ai-create--block {
    width: 100%;
}

.app-body .btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border: none;
    box-shadow: 0 4px 12px rgba(79, 209, 255, 0.25);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-normal);
}

.app-body .btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(255, 95, 216, 0.35);
}

.app-body .btn-outline-light {
    color: #f8fbff;
    border-color: rgba(255, 255, 255, 0.4);
}

[data-install-app]:not(.is-visible) {
    opacity: 0.6;
}

[data-install-app].is-visible {
    opacity: 1;
    transition: opacity 0.2s ease;
}

.mobile-header {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: linear-gradient(180deg, #121826 0%, #0b0f17 100%);
    backdrop-filter: blur(10px);
    padding: 12px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    color: #f8fafc;
}

.mobile-header .btn {
    color: #f8fafc;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.mobile-header .btn:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
}

.mobile-header .fa-bars {
    color: #f8fafc;
}

.mobile-logo {
    height: 36px;
    filter: drop-shadow(0 6px 16px rgba(0, 0, 0, 0.35));
}

.page-container main {
    margin-top: 18px;
}

/* ===== Sidebar ===== */
.sidebar-container {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 1050;
    background: linear-gradient(180deg, #121826 0%, #0b0f17 100%);
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    color: #f8fafc;
    overflow: hidden;
    transition: width var(--transition-slow);
    box-shadow: var(--shadow-strong);
}

.sidebar-container.collapsed {
    width: var(--sidebar-collapsed);
}

.sidebar-container.expanded {
    width: var(--sidebar-expanded);
}

.sidebar-scroll {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 18px 14px;
    gap: 8px;
}

.sidebar-title img {
    max-width: 170px;
}

.expand-btn {
    align-self: flex-end;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.06);
    color: #d3e2ff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.expand-btn:hover {
    transform: translateY(-1px);
    background: rgba(255, 255, 255, 0.15);
}

.menu-link,
.submenu-link,
.accordion-button {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 1rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.9rem;
    color: #cbd5e1;
    transition: all var(--transition-normal);
    border: 1px solid transparent;
    background: transparent;
    text-decoration: none !important;
}

.menu-link:hover,
.accordion-button:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.1);
    color: #fff;
    text-decoration: none !important;
}

.menu-link.active,
.accordion-button.active {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-color: rgba(255, 255, 255, 0.15);
    color: #fff;
    box-shadow: 0 4px 12px rgba(79, 209, 255, 0.25);
    text-decoration: none !important;
}

.menu-link i,
.accordion-button i {
    min-width: 20px;
}

.sidebar-mid,
.sidebar-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 10px;
    margin-top: 6px;
}

.sidebar-footer .menu-link {
    background: none;
}

.account-section .menu-link {
    color: #f8fbff;
}

.sidebar-container.collapsed .menu-link span,
.sidebar-container.collapsed .submenu-link span,
.sidebar-container.collapsed .sidebar-footer span,
.sidebar-container.collapsed .account-btn span,
.sidebar-container.collapsed .sidebar-title {
    display: none;
}

/* ===== Offcanvas ===== */
@media (max-width: 991.98px) {
    .sidebar-container {
        display: none;
    }

    .offcanvas {
        width: 260px;
        border-radius: 0 16px 16px 0;
        background: linear-gradient(180deg, #121826 0%, #0b0f17 100%);
        color: #f8fafc;
    }

    .offcanvas-header {
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        padding: 16px 20px;
    }

    .offcanvas-title {
        color: #f8fafc;
        font-weight: 600;
    }

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

    .offcanvas-body {
        display: flex;
        flex-direction: column;
        gap: 6px;
        padding: 16px;
    }

    .offcanvas-body .menu-link {
        color: #cbd5e1;
    }

    .offcanvas-body .menu-link:hover {
        background: rgba(255, 255, 255, 0.06);
        color: #fff;
    }

    .offcanvas-body .menu-link.active {
        background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        color: #fff;
    }

    .page-container {
        padding-top: 12px;
    }

    .page-container main {
        margin-top: 0;
    }
}

@media (min-width: 992px) {
    .sidebar-container.expanded~.app-surface {
        margin-left: var(--sidebar-expanded);
    }

    .sidebar-container.collapsed~.app-surface {
        margin-left: var(--sidebar-collapsed);
    }
}

/* ===== Content ===== */
.site-content {
    display: grid;
    gap: 16px;
}

.section-shell {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-soft);
    padding: 24px;
    position: relative;
    overflow: hidden;
}

.section-shell::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(79, 209, 255, 0.08), transparent 60%);
    pointer-events: none;
}

.section-shell>* {
    position: relative;
    z-index: 1;
}

.content-section {
    display: none;
}

.content-section.active-section {
    display: block;
}

.section-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.pill {
    background: var(--primary-100);
    color: var(--primary);
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 12px;
    border: 1px solid var(--primary-200);
}

/* Grid helper */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 16px;
}

.stat-card {
    background: linear-gradient(140deg, rgba(79, 209, 255, 0.12), rgba(124, 139, 255, 0.15));
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 14px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text);
}

.stat-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: rgba(10, 13, 20, 0.7);
    color: var(--primary);
    box-shadow: 0 10px 30px rgba(79, 209, 255, 0.18);
}

.page-hero {
    background: linear-gradient(120deg, #3f74ff, #4fd1ff);
    color: #f8fbff;
    border-radius: 22px;
    padding: 26px 28px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.page-hero::after {
    content: "";
    position: absolute;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.18), transparent 55%);
    top: -120px;
    right: -140px;
    transform: rotate(12deg);
}

.page-hero .actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 12px;
}

.page-hero .btn {
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.35);
}

.badge-soft {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #f8fbff;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}

.card-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 18px;
    box-shadow: var(--shadow-soft);
}

/* Top bar search */
.content-top-bar {
    position: sticky;
    top: 12px;
    background: rgba(20, 27, 41, 0.92);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 12px;
    z-index: 5;
    box-shadow: var(--shadow-soft);
    gap: 10px;
}

.content-input-box {
    flex: 1;
    max-width: 640px;
    display: flex;
    align-items: center;
    background: rgba(9, 12, 18, 0.7);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 8px 14px;
    gap: 10px;
}

.content-input-box input {
    border: none;
    background: transparent;
    width: 100%;
    outline: none;
    color: var(--text);
}

.content-input-box i {
    color: var(--muted);
}

.content-settings-btn {
    background: rgba(20, 27, 41, 0.85);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 10px 12px;
}

/* ===== Misc ===== */
.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.image-grid img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 12px;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.06);
}

.image-grid img:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.modal-loading {
    backdrop-filter: blur(4px);
}

.btn:focus {
    box-shadow: 0 0 0 0.2rem rgba(11, 108, 173, 0.2);
}