/* ═══════════════════════════════════════════════════ */
/* VIN Decoder — Clean Reference Theme                */
/* ═══════════════════════════════════════════════════ */

.vin-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 16px 80px;
}

/* ── Input Card ── */
.vin-input-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 16px;
}
.vin-input-row {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}
.vin-input {
    flex: 1;
    padding: 14px 16px;
    font-size: 18px;
    font-weight: 700;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    letter-spacing: 2.5px;
    color: var(--text);
    background: var(--bg-input);
    border: 1.5px solid var(--border);
    border-radius: 12px;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.vin-input::placeholder {
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.3px;
    color: var(--text-secondary);
}
.vin-input:focus {
    outline: none;
    border-color: var(--apple-blue);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.15);
}
.vin-decode-btn {
    padding: 14px 24px;
    font-size: 15px;
    font-weight: 700;
    font-family: inherit;
    color: #fff;
    background: var(--apple-blue);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    white-space: nowrap;
    transition: transform 0.15s, box-shadow 0.15s;
}
.vin-decode-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(0, 122, 255, 0.3);
}
.vin-decode-btn:active {
    transform: translateY(0);
}
.vin-input-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}
.vin-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 600;
    font-family: inherit;
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
}
.vin-action-btn:hover {
    color: var(--text);
    background: var(--bg-input);
    border-color: var(--apple-blue);
}
.vin-input-hint {
    margin: 8px 0 0;
    font-size: 12px;
    color: var(--text-secondary);
}

/* ── Result Container ── */
.vin-result {
    margin-bottom: 16px;
}

/* ── Visual VIN (color-coded chars) ── */
.vin-visual {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px 16px 14px;
    margin-bottom: 14px;
    text-align: center;
}
.vin-visual-chars {
    display: flex;
    justify-content: center;
    gap: 3px;
    flex-wrap: wrap;
    margin-bottom: 8px;
}
.vin-vis-char {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 38px;
    font-size: 17px;
    font-weight: 800;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    border-radius: 8px;
    border: 1.5px solid transparent;
}
.vin-vis-wmi {
    background: rgba(0, 122, 255, 0.1);
    color: var(--apple-blue);
    border-color: rgba(0, 122, 255, 0.2);
}
.vin-vis-vds {
    background: rgba(124, 58, 237, 0.1);
    color: #a78bfa;
    border-color: rgba(124, 58, 237, 0.2);
}
.vin-vis-vis {
    background: rgba(52, 199, 89, 0.1);
    color: var(--success);
    border-color: rgba(52, 199, 89, 0.2);
}
.vin-visual-labels {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}
.vin-vis-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    padding: 2px 10px;
    border-radius: 6px;
}
.vin-vis-wmi-label { color: var(--apple-blue); background: rgba(0, 122, 255, 0.08); }
.vin-vis-vds-label { color: #a78bfa; background: rgba(124, 58, 237, 0.08); }
.vin-vis-vis-label { color: var(--success); background: rgba(52, 199, 89, 0.08); }

/* ── Summary Grid ── */
.vin-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 10px;
    margin-bottom: 14px;
}

/* ── Hero Section ── */
.vin-hero {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 22px 20px 18px;
    text-align: center;
    margin-bottom: 14px;
}
.vin-hero-ymm {
    font-size: 22px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.3px;
    line-height: 1.2;
}
.vin-hero-trim {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-top: 4px;
}
.vin-hero-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
    margin-top: 12px;
}
.vin-hero-meta {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 10px;
}
.vin-badge {
    display: inline-flex;
    align-items: center;
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 20px;
    white-space: nowrap;
}
.vin-badge-body {
    background: rgba(0, 122, 255, 0.12);
    color: var(--apple-blue);
}
.vin-badge-engine {
    background: rgba(124, 58, 237, 0.12);
    color: #a78bfa;
}
.vin-badge-drive {
    background: rgba(52, 199, 89, 0.12);
    color: var(--success);
}
.vin-badge-check {
    background: rgba(52, 199, 89, 0.08);
    color: var(--success);
}
.vin-badge-loading {
    background: rgba(255, 159, 10, 0.12);
    color: #FF9F0A;
    animation: vinPulse 1.5s ease-in-out infinite;
}
@keyframes vinPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}
.vin-summary-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px;
    text-align: center;
}
.vin-summary-label {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}
.vin-summary-value {
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
}

/* ── Sections (phonetic + breakdown) ── */
.vin-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px;
    margin-bottom: 14px;
}
.vin-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}
.vin-section-header h3 {
    margin: 0;
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
}
.vin-copy-btn {
    padding: 5px 12px;
    font-size: 12px;
    font-weight: 600;
    font-family: inherit;
    color: var(--apple-blue);
    background: transparent;
    border: 1px solid var(--apple-blue);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s;
}
.vin-copy-btn:hover {
    background: rgba(0, 122, 255, 0.08);
}

/* ── Phonetic Readout ── */
.vin-phonetic-readout {
    padding: 14px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 14px;
    line-height: 2;
    word-break: break-word;
}
.vin-phonetic-char {
    font-weight: 800;
    font-size: 16px;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    color: var(--apple-blue);
}
.vin-phonetic-word {
    font-weight: 500;
    color: var(--text);
}
.vin-phonetic-sep {
    color: var(--text-secondary);
    opacity: 0.4;
}
.vin-phonetic-hint {
    margin: 8px 0 0;
    font-size: 12px;
    color: var(--text-secondary);
}

/* ── Character Breakdown ── */
.vin-breakdown-legend {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}
.vin-tag {
    display: inline-block;
    padding: 2px 8px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.5px;
    border-radius: 5px;
    white-space: nowrap;
}
.vin-tag-blue {
    background: rgba(0, 122, 255, 0.12);
    color: var(--apple-blue);
}
.vin-tag-purple {
    background: rgba(124, 58, 237, 0.12);
    color: #a78bfa;
}
.vin-tag-green {
    background: rgba(52, 199, 89, 0.12);
    color: var(--success);
}
.vin-breakdown-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.vin-breakdown-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 10px;
    transition: border-color 0.15s;
}
.vin-breakdown-row:hover {
    border-color: var(--apple-blue);
}
.vin-pos {
    min-width: 32px;
    font-size: 11px;
    font-weight: 700;
    color: var(--text-secondary);
    text-align: center;
}
.vin-char-cell {
    min-width: 36px;
    font-size: 16px;
    font-weight: 800;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    color: var(--text);
    text-align: center;
}
.vin-breakdown-info {
    display: flex;
    flex-direction: column;
    gap: 1px;
    flex: 1;
    min-width: 0;
}
.vin-breakdown-info strong {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
}
.vin-breakdown-info span {
    font-size: 12px;
    color: var(--text-secondary);
}

/* ── Error State ── */
.vin-error {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    background: rgba(255, 59, 48, 0.08);
    border: 1px solid rgba(255, 59, 48, 0.2);
    border-radius: 12px;
    color: var(--danger);
    font-size: 14px;
    margin-bottom: 14px;
}
.vin-error span:first-child {
    font-size: 20px;
    flex-shrink: 0;
}

/* ── Accordion ── */
.vin-accordion {
    margin-bottom: 12px;
}
.vin-accordion summary {
    cursor: pointer;
    user-select: none;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    transition: background 0.15s, border-color 0.15s;
}
.vin-accordion summary::-webkit-details-marker { display: none; }
.vin-accordion summary .vin-acc-chevron {
    margin-left: auto;
    font-size: 12px;
    opacity: 0.4;
    transition: transform 0.25s ease;
}
.vin-accordion[open] summary .vin-acc-chevron {
    transform: rotate(180deg);
}
.vin-accordion[open] summary {
    border-radius: 14px 14px 0 0;
    border-color: var(--apple-blue);
    background: var(--bg-card);
}
.vin-accordion summary:hover {
    border-color: var(--apple-blue);
}
.vin-acc-body {
    padding: 16px 18px;
    border: 1px solid var(--border);
    border-top: none;
    border-radius: 0 0 14px 14px;
    background: var(--bg-card);
}

/* ── History ── */
.vin-history-empty {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0;
    text-align: center;
    padding: 8px 0;
}
.vin-history-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.15s;
    margin-bottom: 4px;
}
.vin-history-item:hover {
    background: var(--bg-input);
}
.vin-history-vin {
    font-size: 14px;
    font-weight: 700;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    letter-spacing: 1.5px;
    color: var(--text);
}
.vin-history-meta {
    font-size: 12px;
    color: var(--text-secondary);
    white-space: nowrap;
}

/* ── Reference Table ── */
.vin-ref-table {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.vin-ref-header {
    display: grid;
    grid-template-columns: 60px 55px 1fr;
    gap: 10px;
    padding: 6px 12px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
}
.vin-ref-row {
    display: grid;
    grid-template-columns: 60px 55px 1fr;
    gap: 10px;
    align-items: center;
    padding: 8px 12px;
    font-size: 13px;
    color: var(--text-secondary);
    background: var(--bg-input);
    border-radius: 8px;
}
.vin-ref-pos {
    font-weight: 700;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    color: var(--text);
    text-align: center;
}
.vin-ref-note {
    margin-top: 12px;
    padding: 10px 14px;
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--bg-input);
    border-radius: 10px;
    line-height: 1.6;
}
.vin-ref-subtitle {
    margin: 16px 0 8px;
    font-size: 13px;
    font-weight: 700;
    color: var(--text);
}

/* ── Phonetic Alphabet Grid ── */
.vin-phonetic-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px 12px;
    font-size: 13px;
    color: var(--text-secondary);
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
}
@media (max-width: 500px) {
    .vin-phonetic-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .vin-vis-char {
        width: 28px;
        height: 34px;
        font-size: 14px;
    }
    .vin-ref-header,
    .vin-ref-row {
        grid-template-columns: 50px 48px 1fr;
        gap: 6px;
    }
}

/* ── Desktop enhancements ── */
@media (min-width: 960px) {
    .vin-container {
        padding: 0 24px 80px;
    }
    .vin-input-card {
        padding: 24px 28px;
    }
    .vin-input {
        font-size: 20px;
        padding: 16px 18px;
    }
    .vin-phonetic-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    .vin-history-header {
        padding: 14px 20px;
    }
}

/* ─── Desktop: 2-Column Layout ─── */
@media (min-width: 960px) {
    .vin-desktop-layout {
        display: grid;
        grid-template-columns: 1fr 380px;
        gap: 24px;
        align-items: start;
    }
    .vin-col-right {
        position: sticky;
        top: 24px;
    }
}

/* ─── Dark Mode ─────────────────────────────────────────────────────────────
   Boost low-opacity colour fills that become invisible on the #000 background.
   ─────────────────────────────────────────────────────────────────────────── */
body.dark-mode .vin-vis-wmi {
    background: rgba(10, 132, 255, 0.22);
    border-color: rgba(10, 132, 255, 0.4);
}
body.dark-mode .vin-vis-vds {
    background: rgba(124, 58, 237, 0.25);
    border-color: rgba(124, 58, 237, 0.45);
}
body.dark-mode .vin-vis-vis {
    background: rgba(50, 215, 75, 0.2);
    border-color: rgba(50, 215, 75, 0.35);
}
body.dark-mode .vin-vis-wmi-label { background: rgba(10, 132, 255, 0.2); }
body.dark-mode .vin-vis-vds-label { background: rgba(124, 58, 237, 0.22); }
body.dark-mode .vin-vis-vis-label { background: rgba(50, 215, 75, 0.18); }
body.dark-mode .vin-badge-body    { background: rgba(10, 132, 255, 0.22); }
body.dark-mode .vin-badge-engine  { background: rgba(124, 58, 237, 0.22); }
body.dark-mode .vin-badge-drive   { background: rgba(50, 215, 75, 0.2); }
body.dark-mode .vin-badge-check   { background: rgba(50, 215, 75, 0.18); }
body.dark-mode .vin-badge-loading { background: rgba(255, 159, 10, 0.22); }
body.dark-mode .vin-copy-btn:hover { background: rgba(10, 132, 255, 0.2); }
body.dark-mode .vin-tag-blue   { background: rgba(10, 132, 255, 0.22); }
body.dark-mode .vin-tag-purple { background: rgba(124, 58, 237, 0.25); }
body.dark-mode .vin-error {
    background: rgba(255, 69, 58, 0.15);
    border-color: rgba(255, 69, 58, 0.3);
}