/* ============================================================
   SignDeaf – BSL Dictionary Page  (dictionary.css)
   ============================================================ */

/* ── Custom properties ────────────────────────────────────────────────────── */
:root {
    --sdd-blue:        #1971c2;
    --sdd-blue-dark:   #1357a0;
    --sdd-blue-light:  #eff4ff;
    --sdd-blue-muted:  rgba(25, 113, 194, 0.15);
    --sdd-ink:         #0f172a;
    --sdd-muted:       #64748b;
    --sdd-border:      #e2e8f0;
    --sdd-bg:          #f8fafc;
    --sdd-white:       #ffffff;
    --sdd-radius-sm:   8px;
    --sdd-radius-md:   12px;
    --sdd-radius-lg:   16px;
    --sdd-radius-xl:   20px;
    --sdd-shadow-sm:   0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
    --sdd-shadow-md:   0 4px 16px rgba(0,0,0,.10), 0 2px 8px rgba(0,0,0,.06);
    --sdd-shadow-lg:   0 12px 32px rgba(0,0,0,.14), 0 4px 12px rgba(0,0,0,.08);
    --sdd-transition:  all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Utility ──────────────────────────────────────────────────────────────── */
.screen-reader-text {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0,0,0,0);
    white-space: nowrap; border: 0;
}

/* ── HERO ─────────────────────────────────────────────────────────────────── */
.sdd-hero {
    background: linear-gradient(135deg, #0f1933 0%, #0d2a5e 50%, #0f1933 100%);
    padding: 80px 0 60px;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.sdd-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 600px 400px at 20% 50%, rgba(25,113,194,.18) 0%, transparent 70%),
        radial-gradient(ellipse 500px 300px at 80% 60%, rgba(99,179,237,.12) 0%, transparent 70%);
    pointer-events: none;
}

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

.sdd-hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.18);
    backdrop-filter: blur(8px);
    border-radius: 999px;
    padding: 6px 18px;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgba(255,255,255,.9);
    margin-bottom: 20px;
}

.sdd-hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: #fff;
    margin: 0 0 16px;
}

.sdd-hero-sub {
    font-size: 1.1rem;
    color: rgba(255,255,255,.7);
    margin: 0 0 32px;
    line-height: 1.6;
}

/* Search form */
.sdd-hero-search {
    display: flex;
    max-width: 620px;
    margin: 0 auto 24px;
    border-radius: var(--sdd-radius-md);
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0,0,0,.3);
}

.sdd-hero-search-inner {
    position: relative;
    flex: 1;
    display: flex;
    align-items: center;
}

.sdd-hero-search-icon {
    position: absolute;
    left: 18px;
    color: var(--sdd-muted);
    pointer-events: none;
    flex-shrink: 0;
    z-index: 1;
}

.sdd-hero-input {
    width: 100%;
    height: 56px;
    padding: 0 18px 0 52px;
    border: none;
    border-radius: 0;
    background: #fff;
    font-size: 1rem;
    font-weight: 500;
    color: var(--sdd-ink);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.sdd-hero-input::placeholder {
    color: #94a3b8;
}

.sdd-hero-input:focus {
    box-shadow: inset 0 0 0 2px var(--sdd-blue);
}

.sdd-hero-btn {
    height: 56px;
    padding: 0 28px;
    background: var(--sdd-blue-dark);
    color: #fff;
    border: none;
    border-radius: 0;
    font-size: 0.95rem;
    font-weight: 800;
    letter-spacing: 0.01em;
    cursor: pointer;
    white-space: nowrap;
    transition: var(--sdd-transition);
    flex-shrink: 0;
}

.sdd-hero-btn:hover {
    background: #0e4a8a;
}

/* Quick category pills */
.sdd-hero-quick-cats {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-top: 8px;
}

.sdd-hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 18px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,.25);
    background: rgba(255,255,255,.08);
    color: rgba(255,255,255,.85);
    font-size: 0.85rem;
    font-weight: 700;
    text-decoration: none;
    transition: var(--sdd-transition);
    cursor: pointer;
}

.sdd-hero-pill:hover,
.sdd-hero-pill.is-active {
    background: rgba(255,255,255,.2);
    border-color: rgba(255,255,255,.5);
    color: #fff;
    transform: translateY(-1px);
}

/* ── LAYOUT (sidebar + content) ───────────────────────────────────────────── */
.sdd-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 28px;
    padding: 32px 0 80px;
    align-items: start;
}

/* ── SIDEBAR ──────────────────────────────────────────────────────────────── */
.sdd-sidebar {
    position: sticky;
    top: 120px;
    background: var(--sdd-white);
    border-radius: var(--sdd-radius-xl);
    border: 1px solid var(--sdd-border);
    overflow: hidden;
    box-shadow: var(--sdd-shadow-sm);
}

.sdd-filter-toggle {
    display: none; /* shown via media query */
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--sdd-white);
    border: 1px solid var(--sdd-border);
    border-radius: var(--sdd-radius-md);
    font-size: 0.88rem;
    font-weight: 800;
    color: var(--sdd-ink);
    cursor: pointer;
    transition: var(--sdd-transition);
    box-shadow: var(--sdd-shadow-sm);
}

.sdd-filter-toggle:hover {
    background: var(--sdd-blue-light);
    border-color: var(--sdd-blue);
    color: var(--sdd-blue);
}

.sdd-filter-toggle--inline {
    display: none;
    margin-bottom: 16px;
}

.sdd-filter-toggle-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px; height: 20px;
    border-radius: 999px;
    background: var(--sdd-blue);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 900;
    line-height: 1;
}

.sdd-sidebar-header {
    display: none;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--sdd-border);
}

.sdd-sidebar-title {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--sdd-ink);
}

.sdd-sidebar-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px; height: 36px;
    border-radius: var(--sdd-radius-sm);
    border: 1px solid var(--sdd-border);
    background: transparent;
    color: var(--sdd-muted);
    cursor: pointer;
    transition: var(--sdd-transition);
}

.sdd-sidebar-close:hover {
    background: #fee2e2;
    border-color: #fca5a5;
    color: #dc2626;
}

.sdd-filter-group {
    padding: 16px 20px;
    border-bottom: 1px solid var(--sdd-border);
}

.sdd-filter-group:last-child {
    border-bottom: none;
}

.sdd-filter-group--active {
    background: var(--sdd-blue-light);
}

.sdd-filter-heading {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--sdd-muted);
    margin: 0 0 10px;
    padding: 0;
}

.sdd-filter-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sdd-filter-list li + li {
    margin-top: 2px;
}

.sdd-filter-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    padding: 7px 10px;
    border-radius: 10px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--sdd-muted);
    text-decoration: none;
    transition: var(--sdd-transition);
}

.sdd-filter-link:hover {
    background: var(--sdd-blue-light);
    color: var(--sdd-blue);
}

.sdd-filter-link.sdd-filter-active {
    background: var(--sdd-blue);
    color: #fff;
    font-weight: 800;
}

.sdd-filter-link.sdd-filter-active .sdd-filter-count {
    background: rgba(255,255,255,.2);
    color: rgba(255,255,255,.9);
}

.sdd-filter-count {
    flex-shrink: 0;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 999px;
    background: var(--sdd-bg);
    color: var(--sdd-muted);
    transition: var(--sdd-transition);
    margin-left: auto;
}

.sdd-diff-dot {
    display: inline-block;
    width: 9px; height: 9px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-right: 4px;
}

/* Chips in sidebar */
.sdd-chip-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.sdd-chip--small {
    font-size: 0.75rem;
    padding: 3px 8px;
}

/* Sidebar overlay */
.sdd-sidebar-overlay {
    display: none;
}

/* ── CONTENT AREA ─────────────────────────────────────────────────────────── */
.sdd-content {
    min-width: 0;
}

/* ── TOOLBAR ──────────────────────────────────────────────────────────────── */
.sdd-toolbar {
    margin-bottom: 24px;
}

/* Alphabet nav — "All" button sits separate; letters in a CSS grid for equal rows */
.sdd-alpha-nav {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    margin-bottom: 16px;
}

/* 26 letters in 13-column grid → exactly 2 rows of 13 each */
.sdd-alpha-letters {
    flex: 1;
    min-width: 0;
    display: grid;
    grid-template-columns: repeat(13, minmax(0, 1fr));
    gap: 4px;
}

.sdd-alpha-all,
.sdd-alpha-letter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 6px;
    border-radius: var(--sdd-radius-sm);
    border: 1px solid var(--sdd-border);
    font-size: 0.8rem;
    font-weight: 800;
    color: var(--sdd-muted);
    text-decoration: none;
    transition: var(--sdd-transition);
    background: var(--sdd-white);
    line-height: 1;
    white-space: nowrap;
}

.sdd-alpha-all {
    padding: 0 12px;
    font-size: 0.78rem;
    letter-spacing: 0.02em;
    align-self: flex-start;
    flex-shrink: 0;
    height: 32px;
}

.sdd-alpha-all:hover,
.sdd-alpha-letter:hover {
    background: var(--sdd-blue-light);
    border-color: var(--sdd-blue);
    color: var(--sdd-blue);
}

.sdd-alpha-all.is-active,
.sdd-alpha-letter.is-active {
    background: var(--sdd-blue);
    border-color: var(--sdd-blue);
    color: #fff;
    box-shadow: 0 2px 8px rgba(25,113,194,.35);
}

/* Toolbar row */
.sdd-toolbar-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.sdd-count-text {
    font-size: 0.9rem;
    color: var(--sdd-muted);
    margin: 0;
    line-height: 1.5;
}

.sdd-count-text strong {
    color: var(--sdd-blue);
    font-weight: 800;
}

.sdd-sort-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--sdd-muted);
    flex-shrink: 0;
}

.sdd-sort-select-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.sdd-sort-select {
    border: 1px solid var(--sdd-border);
    border-radius: 10px;
    padding: 7px 32px 7px 12px;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--sdd-ink);
    background: var(--sdd-white);
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
    outline: none;
    transition: var(--sdd-transition);
}

.sdd-sort-select:hover,
.sdd-sort-select:focus {
    border-color: var(--sdd-blue);
    box-shadow: 0 0 0 3px var(--sdd-blue-muted);
}

.sdd-sort-arrow {
    position: absolute;
    right: 10px;
    pointer-events: none;
    color: var(--sdd-muted);
}

/* Active filter chips */
.sdd-active-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
    align-items: center;
}

.sdd-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    border-radius: 999px;
    background: var(--sdd-blue-light);
    border: 1px solid rgba(25,113,194,.2);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--sdd-blue);
    text-decoration: none;
    cursor: pointer;
    transition: var(--sdd-transition);
    white-space: nowrap;
}

.sdd-chip:hover {
    background: #dce8fb;
    border-color: rgba(25,113,194,.4);
}

.sdd-chip--clear {
    background: transparent;
    border-color: var(--sdd-border);
    color: var(--sdd-muted);
}

.sdd-chip--clear:hover {
    background: #fee2e2;
    border-color: #fca5a5;
    color: #dc2626;
}

.sdd-chip-x {
    display: inline-flex;
    align-items: center;
    opacity: 0.6;
}

.sdd-chip:hover .sdd-chip-x {
    opacity: 1;
}

/* ── SIGNS GRID ───────────────────────────────────────────────────────────── */
.sdd-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 20px;
}

/* ── SIGN CARD ────────────────────────────────────────────────────────────── */
.sdd-card {
    border-radius: var(--sdd-radius-lg);
    border: 1px solid var(--sdd-border);
    background: var(--sdd-white);
    overflow: hidden;
    transition: transform 0.22s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.22s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.22s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    /* Force GPU compositing from the start — prevents the border-radius square flicker on first hover */
    will-change: transform;
    transform: translateZ(0);
}

.sdd-card:hover {
    transform: translateY(-5px) translateZ(0);
    box-shadow: var(--sdd-shadow-lg);
    border-color: #b8d0f5;
}

/* CEFR left border colours */
.sdd-card--a1 { border-left: 3px solid #10b981; }
.sdd-card--a2 { border-left: 3px solid #06b6d4; }
.sdd-card--b1 { border-left: 3px solid #3b82f6; }
.sdd-card--b2 { border-left: 3px solid #8b5cf6; }
.sdd-card--c1 { border-left: 3px solid #ef4444; }
.sdd-card--c2 { border-left: 3px solid #dc2626; }

.sdd-card-link {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    height: 100%;
}

/* Thumbnail */
.sdd-card-thumb {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #f0f5ff;
    flex-shrink: 0;
    border-radius: var(--sdd-radius-lg) var(--sdd-radius-lg) 0 0;
}

/* Gradient overlay — fades in on hover */
.sdd-card-thumb::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,.45) 0%, rgba(0,0,0,0) 55%);
    opacity: 0;
    transition: opacity 0.25s;
    z-index: 1;
    pointer-events: none;
}

/* Play/view circle — fades in and scales up on hover */
.sdd-card-thumb::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.65);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: rgba(255,255,255,.93);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231971c2' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z'/%3E%3Ccircle cx='12' cy='12' r='3'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 18px 18px;
    box-shadow: 0 4px 18px rgba(0,0,0,.28);
    opacity: 0;
    transition: opacity 0.25s, transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
    pointer-events: none;
}

.sdd-card:hover .sdd-card-thumb::before { opacity: 1; }
.sdd-card:hover .sdd-card-thumb::after  {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.sdd-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
    transition: transform 0.38s cubic-bezier(0.4, 0, 0.2, 1);
}

.sdd-card:hover .sdd-card-thumb img {
    transform: scale(1.05);
}

/* Thumb placeholder (no image) */
.sdd-thumb-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #dce8fb 0%, #bfd3f5 100%);
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--sdd-blue);
    letter-spacing: -0.03em;
    user-select: none;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* CEFR badge — top-left, solid color for maximum visibility */
.sdd-card-cefr {
    position: absolute;
    top: 8px;
    left: 8px;
    font-size: 0.72rem;
    font-weight: 900;
    padding: 3px 9px;
    border-radius: 999px;
    border: 1px solid transparent;
    letter-spacing: 0.06em;
    line-height: 1.4;
    z-index: 3;
    box-shadow: 0 2px 6px rgba(0,0,0,.18);
}

.sdd-cefr-A1 { background: #10b981; color: #fff; border-color: #0d9f6e; }
.sdd-cefr-A2 { background: #06b6d4; color: #fff; border-color: #059bb5; }
.sdd-cefr-B1 { background: #3b82f6; color: #fff; border-color: #2563eb; }
.sdd-cefr-B2 { background: #8b5cf6; color: #fff; border-color: #7c3aed; }
.sdd-cefr-C1 { background: #ef4444; color: #fff; border-color: #dc2626; }
.sdd-cefr-C2 { background: #dc2626; color: #fff; border-color: #b91c1c; }

/* Fingerspelled badge — bottom-right so it never conflicts with CEFR */
.sdd-card-fsp {
    position: absolute;
    bottom: 8px;
    right: 8px;
    font-size: 0.65rem;
    font-weight: 900;
    background: #fbbf24;
    color: #78350f;
    border-radius: 4px;
    padding: 2px 6px;
    letter-spacing: 0.05em;
    line-height: 1.4;
    z-index: 3;
}

/* Two-handed badge */
.sdd-card-hands {
    position: absolute;
    bottom: 8px;
    left: 8px;
    font-size: 1rem;
    line-height: 1;
    filter: drop-shadow(0 1px 2px rgba(0,0,0,.3));
    z-index: 3;
}

/* Card body */
.sdd-card-body {
    padding: 14px 16px 16px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.sdd-card-title {
    font-size: 1.05rem;
    font-weight: 900;
    letter-spacing: -0.02em;
    margin: 0 0 6px;
    color: var(--sdd-ink);
    line-height: 1.3;
    word-break: break-word;
}

.sdd-card-def {
    font-size: 0.8rem;
    color: var(--sdd-muted);
    line-height: 1.55;
    margin: 0 0 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sdd-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 8px;
}

.sdd-card-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 999px;
    background: var(--sdd-blue-light);
    color: var(--sdd-blue);
    border: 1px solid rgba(25,113,194,.15);
    letter-spacing: 0.01em;
    line-height: 1.6;
}

.sdd-card-footer {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: auto;
    padding-top: 10px;
    border-top: 1px solid #f0f4ff;
}

.sdd-card-freq {
    font-size: 0.7rem;
    font-weight: 700;
    line-height: 1;
}

.sdd-freq-verycommon { color: #10b981; }
.sdd-freq-common     { color: #3b82f6; }
.sdd-freq-uncommon   { color: #f59e0b; }
.sdd-freq-rare       { color: #ef4444; }
.sdd-freq-tech       { color: #8b5cf6; }

/* ── EMPTY STATE ──────────────────────────────────────────────────────────── */
.sdd-empty {
    text-align: center;
    padding: 80px 20px;
    grid-column: 1 / -1;
}

.sdd-empty-icon {
    font-size: 3.5rem;
    margin-bottom: 16px;
    display: block;
    filter: grayscale(0.2);
}

.sdd-empty h3 {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--sdd-ink);
    margin: 0 0 8px;
}

.sdd-empty p {
    color: var(--sdd-muted);
    font-size: 0.95rem;
    margin: 0 0 20px;
}

.sdd-empty a {
    display: inline-flex;
    align-items: center;
    padding: 10px 24px;
    background: var(--sdd-blue);
    color: #fff;
    border-radius: var(--sdd-radius-md);
    font-size: 0.9rem;
    font-weight: 800;
    text-decoration: none;
    transition: var(--sdd-transition);
}

.sdd-empty a:hover {
    background: var(--sdd-blue-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(25,113,194,.3);
}

/* ── PAGINATION ───────────────────────────────────────────────────────────── */
.sdd-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--sdd-border);
}

.sdd-pagination a,
.sdd-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 10px;
    border-radius: 10px;
    border: 1px solid var(--sdd-border);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--sdd-muted);
    text-decoration: none;
    background: var(--sdd-white);
    transition: var(--sdd-transition);
}

.sdd-pagination a:hover {
    background: var(--sdd-blue-light);
    border-color: var(--sdd-blue);
    color: var(--sdd-blue);
}

.sdd-pagination .current {
    background: var(--sdd-blue);
    border-color: var(--sdd-blue);
    color: #fff;
    box-shadow: 0 3px 10px rgba(25,113,194,.35);
}

.sdd-pagination .dots {
    border: none;
    background: transparent;
    color: var(--sdd-muted);
    min-width: auto;
    padding: 0 4px;
}

/* ── LOADING / SKELETON ───────────────────────────────────────────────────── */
.sdd-skeletons {
    display: none;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 20px;
}

.sdd-grid-wrap.is-loading .sdd-skeletons {
    display: grid;
}

.sdd-grid-wrap.is-loading .sdd-grid,
.sdd-grid-wrap.is-loading #sdd-pagination {
    display: none;
}

.sdd-skeleton {
    border-radius: var(--sdd-radius-lg);
    border: 1px solid var(--sdd-border);
    overflow: hidden;
    background: var(--sdd-white);
}

.sdd-skeleton-thumb {
    aspect-ratio: 4 / 3;
    background: #e9eef6;
    animation: sdd-shimmer 1.6s infinite linear;
    background-size: 400% 100%;
    background-image: linear-gradient(90deg, #e9eef6 25%, #d8e2ef 37%, #e9eef6 63%);
}

.sdd-skeleton-body {
    padding: 14px 16px 16px;
}

.sdd-skeleton-line {
    height: 12px;
    border-radius: 6px;
    margin-bottom: 8px;
    background: #e9eef6;
    animation: sdd-shimmer 1.6s infinite linear;
    background-size: 400% 100%;
    background-image: linear-gradient(90deg, #e9eef6 25%, #d8e2ef 37%, #e9eef6 63%);
}

.sdd-skeleton-line--title {
    height: 16px;
    width: 70%;
    margin-bottom: 12px;
}

.sdd-skeleton-line--short {
    width: 45%;
}

@keyframes sdd-shimmer {
    0%   { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* ── RESPONSIVE ───────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .sdd-layout {
        grid-template-columns: 220px 1fr;
        gap: 20px;
    }
}

@media (max-width: 900px) {
    /* Stack layout */
    .sdd-layout {
        grid-template-columns: 1fr;
        padding: 20px 0 60px;
        gap: 0;
    }

    /* Sidebar becomes an off-canvas drawer */
    .sdd-sidebar {
        position: fixed;
        inset: 0 0 0 auto;
        width: min(320px, 85vw);
        top: 0;
        border-radius: 0;
        z-index: 9999;
        overflow-y: auto;
        transform: translateX(100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: none;
        border: none;
        border-left: 1px solid var(--sdd-border);
    }

    .sdd-sidebar.is-open {
        transform: translateX(0);
        box-shadow: -4px 0 32px rgba(0,0,0,.18);
    }

    .sdd-sidebar-header {
        display: flex;
    }

    .sdd-sidebar-overlay {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,.45);
        z-index: 9998;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s;
    }

    .sdd-sidebar-overlay.is-visible {
        opacity: 1;
        pointer-events: auto;
    }

    /* Show inline filter toggle in toolbar */
    .sdd-filter-toggle--inline {
        display: inline-flex;
    }

    .sdd-alpha-nav {
        gap: 4px;
    }

    .sdd-alpha-letters {
        grid-template-columns: repeat(13, minmax(0, 1fr));
        gap: 3px;
    }

    .sdd-alpha-all,
    .sdd-alpha-letter {
        min-width: 0;
        height: 28px;
        font-size: 0.73rem;
        border-radius: 6px;
        padding: 0 2px;
    }

    .sdd-alpha-all {
        padding: 0 8px;
        height: 28px;
    }
}

@media (max-width: 640px) {
    .sdd-hero {
        padding: 50px 0 40px;
    }

    .sdd-hero-title {
        font-size: clamp(1.6rem, 8vw, 2.4rem);
    }

    .sdd-hero-sub {
        font-size: 0.95rem;
    }

    .sdd-hero-search {
        flex-direction: column;
        border-radius: var(--sdd-radius-md);
        overflow: hidden;
    }

    .sdd-hero-search-inner {
        border-radius: 0;
    }

    .sdd-hero-input {
        height: 52px;
        border-bottom: 1px solid var(--sdd-border);
        border-radius: 0;
    }

    .sdd-hero-btn {
        height: 48px;
        width: 100%;
        border-radius: 0;
    }

    .sdd-hero-quick-cats {
        gap: 8px;
    }

    .sdd-hero-pill {
        font-size: 0.78rem;
        padding: 6px 13px;
    }

    .sdd-grid {
        grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
        gap: 14px;
    }

    .sdd-toolbar-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .sdd-alpha-nav {
        overflow-x: auto;
        padding-bottom: 4px;
        -webkit-overflow-scrolling: touch;
        align-items: center;
    }

    /* On mobile switch letters grid back to a horizontal scrollable row */
    .sdd-alpha-letters {
        display: flex;
        flex-wrap: nowrap;
        gap: 3px;
        grid-template-columns: unset;
    }

    .sdd-alpha-all,
    .sdd-alpha-letter {
        flex-shrink: 0;
        min-width: 30px;
    }
}

@media (max-width: 400px) {
    .sdd-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
}

/* On very wide screens collapse alpha to a single row */
@media (min-width: 1400px) {
    .sdd-alpha-letters {
        grid-template-columns: repeat(26, minmax(0, 1fr));
    }
}

/* ── TOOLBAR CONTROLS ROW ─────────────────────────────────────────────────── */
.sdd-toolbar-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.sdd-toolbar-controls-left {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

/* ── VIEW TOGGLE ──────────────────────────────────────────────────────────── */
.sdd-view-toggle {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    border: 1px solid var(--sdd-border);
    border-radius: var(--sdd-radius-sm);
    padding: 3px;
    background: var(--sdd-white);
    flex-shrink: 0;
    box-shadow: var(--sdd-shadow-sm);
}

.sdd-view-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 6px;
    border: none;
    background: transparent;
    color: var(--sdd-muted);
    cursor: pointer;
    transition: var(--sdd-transition);
}

.sdd-view-btn.is-active {
    background: var(--sdd-blue);
    color: #fff;
    box-shadow: 0 1px 4px rgba(25,113,194,.3);
}

.sdd-view-btn:hover:not(.is-active) {
    background: var(--sdd-blue-light);
    color: var(--sdd-blue);
}

/* ── SURPRISE ME BUTTON ───────────────────────────────────────────────────── */
.sdd-surprise-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border-radius: var(--sdd-radius-md);
    border: 1px solid var(--sdd-border);
    background: var(--sdd-white);
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--sdd-muted);
    cursor: pointer;
    transition: var(--sdd-transition);
    white-space: nowrap;
    box-shadow: var(--sdd-shadow-sm);
    flex-shrink: 0;
}

.sdd-surprise-btn:hover {
    background: #fef3c7;
    border-color: #fbbf24;
    color: #92400e;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(251,191,36,.3);
}

.sdd-surprise-btn:active {
    transform: scale(0.96);
}

/* ── LIST VIEW ────────────────────────────────────────────────────────────── */
.sdd-grid.sdd-grid--list {
    grid-template-columns: 1fr;
    gap: 10px;
}

.sdd-grid--list .sdd-card {
    flex-direction: row;
    height: auto;
    min-height: 100px;
}

.sdd-grid--list .sdd-card-link {
    flex-direction: row;
    width: 100%;
}

.sdd-grid--list .sdd-card-thumb {
    width: 150px;
    min-width: 150px;
    aspect-ratio: unset;
    height: auto;
    border-radius: var(--sdd-radius-md) 0 0 var(--sdd-radius-md);
    align-self: stretch;
}

.sdd-grid--list .sdd-card-thumb::after {
    width: 36px;
    height: 36px;
    background-size: 16px 16px;
}

.sdd-grid--list .sdd-card-body {
    padding: 12px 16px;
    justify-content: center;
}

.sdd-grid--list .sdd-card-title {
    font-size: 0.95rem;
    margin-bottom: 3px;
}

.sdd-grid--list .sdd-card-def {
    -webkit-line-clamp: 1;
    margin-bottom: 6px;
    font-size: 0.78rem;
}

.sdd-grid--list .sdd-card-footer {
    padding-top: 6px;
}

@media (max-width: 480px) {
    .sdd-grid--list .sdd-card-thumb {
        width: 100px;
        min-width: 100px;
    }
}

/* ── SCROLL TO TOP ────────────────────────────────────────────────────────── */
.sdd-scroll-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: var(--sdd-blue);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 18px rgba(25,113,194,.45);
    transition: opacity 0.22s, transform 0.22s cubic-bezier(0.4, 0, 0.2, 1),
                background 0.18s, box-shadow 0.18s;
    opacity: 0;
    transform: translateY(16px);
    pointer-events: none;
    z-index: 9990;
}

.sdd-scroll-top.is-visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.sdd-scroll-top:hover {
    background: var(--sdd-blue-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(25,113,194,.55);
}

.sdd-scroll-top:active {
    transform: scale(0.92);
}