:root {
    --bg:           #0a0a0a;
    --bg-2:         #181818;
    --sidebar-bg:   rgba(18, 18, 18, 0.98);
    --card-bg:      rgba(24, 24, 24, 0.95);
    --border:       rgba(255, 255, 255, 0.13);
    --border-hover: rgba(249, 115, 22, 0.55);

    --text-1:       #f0f0f0;
    --text-2:       #aaaaaa;
    --text-3:       #666666;

    --accent:       #f97316;
    --accent-dim:   rgba(249, 115, 22, 0.15);
    --accent-glow:  rgba(249, 115, 22, 0.25);
    --accent-hover: #ea6c0a;
    --danger:       #ef4444;

    --radius-xl:    20px;
    --radius-lg:    14px;
    --radius-md:    10px;
    --radius-sm:    7px;
    --sidebar-w:    260px;

    --ease:         cubic-bezier(0.4, 0, 0.2, 1);
    --t:            all 0.2s var(--ease);
}

/* ── Light mode ── */
body.light-mode {
    --bg:           #f5f5f5;
    --bg-2:         #ebebeb;
    --sidebar-bg:   rgba(255, 255, 255, 0.95);
    --card-bg:      rgba(255, 255, 255, 0.9);
    --border:       rgba(0, 0, 0, 0.07);
    --border-hover: rgba(249, 115, 22, 0.4);
    --text-1:       #111111;
    --text-2:       #666666;
    --text-3:       #aaaaaa;
    --accent-dim:   rgba(249, 115, 22, 0.1);
}

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

body {
    font-family: 'Tajawal', 'Outfit', system-ui, sans-serif;
    background-color: var(--bg);
    background-image:
        radial-gradient(ellipse 60% 50% at 80% 10%, rgba(249,115,22,.08) 0%, transparent 60%),
        radial-gradient(ellipse 40% 40% at 10% 80%, rgba(249,115,22,.05) 0%, transparent 60%);
    background-attachment: fixed;
    color: var(--text-1);
    height: 100vh;
    overflow: hidden;
    line-height: 1.5;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,.1); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ── Layout ── */
.app-container {
    display: flex;
    height: 100vh;
    width: 100%;
}

/* ─────────────── SIDEBAR ─────────────── */
.sidebar {
    width: var(--sidebar-w);
    height: 100%;
    background: var(--sidebar-bg);
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 1.25rem 1rem;
    gap: 1rem;
    flex-shrink: 0;
    z-index: 50;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 0.25rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-size: 1.35rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), #fbbf24);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.02em;
}

.logo i { font-size: 1.35rem; }

/* Search */
.search-box {
    position: relative;
}

.search-box i {
    position: absolute;
    right: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-3);
    font-size: 0.85rem;
    pointer-events: none;
}

.search-box input {
    width: 100%;
    padding: 0.65rem 2.2rem 0.65rem 0.9rem;
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-1);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: var(--t);
}

.search-box input::placeholder { color: var(--text-3); }

.search-box input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

/* Categories nav */
.categories-nav {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.category-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.65rem 0.85rem;
    border-radius: var(--radius-md);
    color: var(--text-2);
    cursor: pointer;
    transition: var(--t);
    user-select: none;
    font-size: 0.92rem;
    border: 1px solid transparent;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.category-item .cat-info {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    overflow: hidden;
    min-width: 0;
}

.category-item .cat-info i { flex-shrink: 0; font-size: 0.85rem; }

.category-item .cat-name {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

@media (hover: hover) {
    .category-item:hover {
        background: var(--accent-dim);
        border-color: rgba(249,115,22,.2);
        color: var(--text-1);
    }
}

.category-item.active {
    background: var(--accent);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 4px 16px var(--accent-glow);
}

.category-item.active i { color: rgba(255,255,255,0.85); }

.category-actions {
    display: none;
    gap: 0.35rem;
    flex-shrink: 0;
}


.action-icon {
    font-size: 0.75rem;
    color: var(--text-2);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: var(--t);
}

.action-icon:hover { color: var(--text-1); background: rgba(255,255,255,.1); }
.action-icon.delete:hover { color: var(--danger); background: rgba(239,68,68,.15); }

/* ─────────────── MAIN ─────────────── */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 1.75rem 2.25rem;
    overflow-y: auto;
    min-width: 0;
}

/* Header */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border);
}

.main-header h1 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-1);
    letter-spacing: -0.02em;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.total-count {
    color: var(--text-2);
    font-size: 0.85rem;
    background: var(--bg-2);
    border: 1px solid var(--border);
    padding: 0.35rem 0.85rem;
    border-radius: 99px;
}

/* Buttons */
button { font-family: inherit; border: none; cursor: pointer; transition: var(--t); }

.icon-btn {
    background: var(--bg-2);
    color: var(--text-2);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    font-size: 0.9rem;
}

.icon-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-dim);
}

.primary-btn {
    background: var(--accent);
    color: #fff;
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    box-shadow: 0 4px 14px var(--accent-glow);
}

.primary-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px var(--accent-glow);
}

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

/* ─────────────── GRID ─────────────── */
.bookmarks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
    padding-bottom: 2rem;
}

/* ─────────────── CARD ─────────────── */
.bookmark-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: inherit;
    position: relative;
    transition: var(--t);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    cursor: pointer;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,.4);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.bookmark-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, var(--accent-dim) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.2s var(--ease);
}

@media (hover: hover) {
    .bookmark-card:hover {
        border-color: var(--border-hover);
        transform: translateY(-3px);
        box-shadow: 0 8px 30px rgba(0,0,0,.35), 0 0 0 1px var(--border-hover);
    }
    .bookmark-card:hover::after { opacity: 1; }
}

.favicon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.18);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.favicon img {
    width: 44px;
    height: 44px;
    object-fit: contain;
}

.favicon i {
    font-size: 1.8rem;
    color: var(--text-3);
}

.bookmark-details {
    flex: 1;
    min-width: 0;
    position: relative;
    z-index: 1;
}

.bookmark-title {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-1);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 0.3rem;
}

.bookmark-url {
    font-size: 0.9rem;
    color: var(--text-2);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ── Edit mode overlay on cards ── */
.card-edit-overlay {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: rgba(0,0,0,.55);
    display: none;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    z-index: 10;
    backdrop-filter: blur(2px);
}

@media (hover: hover) {
    body.edit-mode .bookmark-card:hover .card-edit-overlay { display: flex; }
}
@media (hover: none) {
    body.edit-mode .bookmark-card .card-edit-overlay { display: flex; }
}

.card-edit-btn {
    background: var(--bg-2);
    border: 1px solid var(--border);
    color: var(--text-1);
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--t);
}

.card-edit-btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.card-edit-btn.del:hover { background: var(--danger); border-color: var(--danger); }

/* ── Edit toolbar ── */
.edit-toolbar {
    display: none;
    margin-bottom: 1.25rem;
}

body.edit-mode .edit-toolbar { display: block; }

.edit-toolbar-inner {
    background: rgba(249,115,22,.1);
    border: 1px solid rgba(249,115,22,.3);
    border-radius: var(--radius-md);
    padding: 0.7rem 1.1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.edit-toolbar-label {
    color: var(--accent);
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.edit-toolbar-actions {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.edit-action-btn {
    background: var(--bg-2);
    border: 1px solid var(--border);
    color: var(--text-1);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.83rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
}

.edit-action-btn:hover { border-color: var(--accent); color: var(--accent); }

.save-edit-btn {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 0.5rem 1.2rem;
    border-radius: var(--radius-sm);
    font-size: 0.83rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
    box-shadow: 0 4px 12px var(--accent-glow);
}

.save-edit-btn:hover { background: var(--accent-hover); }

/* ── Edit mode: category items show actions ── */
body.edit-mode .category-item .category-actions { display: flex !important; }

/* ── Edit mode active button ── */
#edit-mode-btn.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* ─────────────── EMPTY STATE ─────────────── */
.empty-state {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 5rem 2rem;
    text-align: center;
    color: var(--text-2);
}

.empty-icon {
    font-size: 3rem;
    color: var(--accent);
    opacity: 0.4;
    margin-bottom: 1.25rem;
}

.empty-state h3 {
    font-size: 1.2rem;
    color: var(--text-1);
    margin-bottom: 0.4rem;
}

.empty-state p { font-size: 0.9rem; }

/* ─────────────── MODALS ─────────────── */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.7);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s var(--ease);
}

.modal.active { opacity: 1; pointer-events: all; }

.modal-content {
    width: 100%;
    max-width: 440px;
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 1.75rem;
    transform: translateY(16px) scale(0.98);
    transition: transform 0.25s var(--ease), opacity 0.25s;
    box-shadow: 0 24px 64px rgba(0,0,0,.6);
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-header h2 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-1);
}

.close-modal {
    background: transparent;
    color: var(--text-2);
    font-size: 1rem;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-modal:hover { color: var(--text-1); background: rgba(255,255,255,.06); }

.form-group { margin-bottom: 1.1rem; }

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    color: var(--text-2);
    font-size: 0.82rem;
    font-weight: 500;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.7rem 0.9rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-1);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: var(--t);
}

.form-group input::placeholder { color: var(--text-3); }

.form-group input:focus,
.form-group select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group select option {
    background: var(--bg-2);
    color: var(--text-1);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.cancel-btn {
    background: transparent;
    color: var(--text-2);
    padding: 0.65rem 1.2rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
}

.cancel-btn:hover { background: rgba(255,255,255,.05); color: var(--text-1); }

.save-btn {
    background: var(--accent);
    color: #fff;
    padding: 0.65rem 1.6rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 4px 14px var(--accent-glow);
}

.save-btn:hover { background: var(--accent-hover); }

/* ─────────────── MOBILE ─────────────── */
.mobile-toggle {
    display: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--text-1);
    padding: 6px;
}

@media (max-width: 900px) {
    .sidebar {
        position: fixed;
        top: 0;
        right: 0;
        height: 100%;
        box-shadow: -8px 0 32px rgba(0,0,0,.5);
        transform: translateX(100%);
        transition: transform 0.25s var(--ease);
        z-index: 100;
    }
    .sidebar.active { transform: translateX(0); }
    .mobile-toggle { display: block; }
    .main-content {
        padding: 1.25rem 1.25rem;
        width: 100%;
    }
    .main-header h1 { font-size: 1.2rem; }

    /* Overlay behind sidebar */
    .sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,.5);
        z-index: 99;
        backdrop-filter: blur(2px);
    }
    .sidebar-overlay.active { display: block; }
}

@media (max-width: 580px) {
    .bookmarks-grid { grid-template-columns: 1fr; }
    .header-actions { gap: 0.5rem; }
    .total-count { display: none; }
}