/* Explain: Styles for UI components, including theme colors and gold accents. */
.site-header {
    background: linear-gradient(180deg, var(--primary-color), var(--bordo-dark));
    box-shadow: 0 12px 34px rgba(26, 19, 16, 0.2);
}

.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    color: var(--bordo-dark);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.section-kicker::before {
    display: inline-block;
    width: 2.4rem;
    height: 1px;
    background: var(--accent-color);
    content: "";
}

.glass-panel {
    border: 1px solid var(--glass-border);
    background: linear-gradient(145deg, rgba(253, 251, 250, 0.84), rgba(255, 255, 255, 0.5));
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(18px);
}

.arch-frame {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    background: var(--surface-color);
    box-shadow: var(--shadow-soft);
    border-radius: 999px 999px 2.2rem 2.2rem;
}

.arch-frame::after {
    position: absolute;
    inset: 1.1rem;
    border: 1px solid rgba(253, 251, 250, 0.6);
    border-radius: inherit;
    content: "";
    pointer-events: none;
}

.arch-frame-large {
    height: min(70vh, 640px);
    min-height: 460px;
}

.arch-frame-medium {
    height: 540px;
    max-width: 420px;
}

.arch-frame-small {
    height: min(44vh, 360px);
    min-height: 240px;
    max-width: 480px;
}

.surface-card {
    border: 1px solid var(--glass-border);
    border-radius: 1.75rem;
    background: var(--background-color);
    box-shadow: var(--shadow-soft);
    transition: transform 300ms ease, border-color 300ms ease, box-shadow 300ms ease;
}

.surface-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 26px 70px rgba(26, 19, 16, 0.12);
    transform: translateY(-5px);
}

.tag-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    border-radius: 999px;
    background: #E97C60;
    color: #5A1206;
    padding: 0.32rem 0.8rem;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.03em;
}

.tag-chip.tag-green {
    background: #2E7D32;
    color: #ffffff;
}

.tag-chip.tag-purple {
    background: #6A1B9A;
    color: #ffffff;
}

.tag-chip.tag-blue {
    background: #4FA3D1;
    color: #ffffff;
}

.tag-chip.tag-red {
    background: #C0392B;
    color: #ffffff;
}

.tag-chip.tag-black {
    background: #1A1310;
    color: #ffffff;
}

.tag-chip.tag-bordo {
    background: var(--primary-color);
    color: #ffffff;
}

.tag-chip.tag-white {
    border: 1px solid var(--glass-border);
    background: #ffffff;
    color: var(--text-color);
}

.tag-chip.tag-tom {
    background: var(--primary-color);
    color: #ffffff;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    min-height: 44px;
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    background: var(--field-bg);
    padding: 0.7rem 1.1rem;
    color: var(--text-color);
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 300ms ease;
}

.filter-chip:hover {
    border-color: var(--accent-color);
    background: var(--surface-color);
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.tool-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    min-height: 44px;
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    background: var(--field-bg);
    padding: 0 0.95rem;
    color: var(--text-color);
    font-size: 0.84rem;
    font-weight: 600;
    transition: all 250ms ease;
}

.tool-btn:hover {
    border-color: var(--accent-color);
    background: var(--surface-color);
}

.tool-btn.is-active {
    border-color: var(--accent-color);
    background: var(--accent-color);
    color: var(--background-color);
}

.tool-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.promo-panel {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    border-radius: 2rem;
    box-shadow: var(--shadow-soft);
}

.promo-panel .promo-scrim {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(26, 19, 16, 0.88), rgba(26, 19, 16, 0.42) 58%, rgba(26, 19, 16, 0.08));
}

.promo-notes {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    display: none;
    width: 58%;
    align-items: center;
    justify-content: flex-end;
    gap: clamp(1rem, 4vw, 2.75rem);
    overflow: hidden;
    padding-right: clamp(1rem, 3vw, 3rem);
    color: var(--background-color);
    pointer-events: none;
    -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 62%);
    mask-image: linear-gradient(to right, transparent 0%, #000 62%);
}

@media (min-width: 640px) {
    .promo-notes {
        display: flex;
    }
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    min-height: 44px;
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    padding: 0.5rem 1rem;
    color: var(--text-color);
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 300ms ease;
}

.social-link:hover {
    border-color: var(--accent-color);
    background: var(--surface-color);
    color: var(--accent-color);
}

.status-note {
    border-radius: 1.2rem;
    padding: 0.85rem 1.1rem;
    font-size: 0.9rem;
}

.status-note.success {
    background: var(--bordo-soft);
    color: var(--bordo-dark);
}

.status-note.error {
    background: rgba(155, 74, 61, 0.12);
    color: #7a3a2f;
}

.stat-mini {
    border: 1px solid var(--glass-border);
    border-radius: 1.25rem;
    background: rgba(253, 251, 250, 0.6);
    padding: 0.9rem 1rem;
}

.stat-mini strong {
    display: block;
    color: var(--accent-color);
    font-family: var(--font-heading);
    font-size: 1.5rem;
}

.amenity-row {
    border: 1px solid var(--glass-border);
    border-radius: 1.6rem;
    background: rgba(253, 251, 250, 0.58);
    padding: 1.25rem;
}

.amenity-dot {
    width: 0.8rem;
    height: 0.8rem;
    border-radius: 999px;
    background: var(--accent-color);
    box-shadow: 0 0 0 0.4rem var(--bordo-soft);
}

.chord-card {
    border: 1px solid var(--glass-border);
    border-radius: 1.4rem;
    background: rgba(253, 251, 250, 0.6);
    padding: 1.1rem 1.2rem;
}

.chord-diagram {
    position: relative;
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0.28rem;
    width: 118px;
    height: 108px;
    padding-top: 12px;
}

.chord-string {
    position: relative;
}

.chord-string::before {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 1.5px;
    background: var(--text-muted);
    content: "";
    transform: translateX(-50%);
}

.chord-fret {
    position: absolute;
    right: 0;
    left: 0;
    height: 1.5px;
    background: var(--text-muted);
}

.chord-dot {
    position: absolute;
    left: 50%;
    width: 15px;
    height: 15px;
    border-radius: 999px;
    background: var(--accent-color);
    transform: translate(-50%, -50%);
}

.chord-name {
    color: var(--bordo-dark);
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
}

.keys-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.keys-grid span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 34px;
    border: 1px solid var(--glass-border);
    border-radius: 0.6rem;
    background: #ffffff;
    color: var(--text-muted);
    font-family: var(--font-cifra);
    font-size: 0.72rem;
    font-weight: 600;
}

.keys-grid span.is-key {
    border-color: var(--accent-color);
    background: var(--accent-color);
    color: #ffffff;
}

.tag-chip-sm {
    padding: 0.2rem 0.55rem;
    font-size: 0.66rem;
    letter-spacing: 0.02em;
}

.gold-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--gold-light), var(--gold-color));
    color: #4A3208;
    padding: 0.25rem 0.75rem;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    box-shadow: 0 10px 24px rgba(201, 162, 39, 0.28);
}

.prod-card-gold {
    border-color: rgba(201, 162, 39, 0.55) !important;
    box-shadow: 0 22px 70px rgba(201, 162, 39, 0.18);
}

.prod-card-gold:hover {
    border-color: var(--gold-color) !important;
    box-shadow: 0 26px 70px rgba(201, 162, 39, 0.24);
}

@media (max-width: 767px) {
    .section-kicker::before {
        width: 1.6rem;
    }

    .arch-frame-large,
    .arch-frame-medium {
        height: 460px;
        min-height: 0;
        max-width: 420px;
        margin-right: auto;
        margin-left: auto;
    }

    .arch-frame-small {
        height: 300px;
        min-height: 0;
        max-width: 420px;
        margin-right: auto;
        margin-left: auto;
    }
}