:root {
    --tz-bg: #f1f4f8;
    --tz-panel: #ffffff;
    --tz-panel-alt: #f8fafc;
    --tz-text: #0f172a;
    --tz-muted: #5b6578;
    --tz-border: #e2e8f0;
    --tz-accent: #1d4ed8;
    --tz-accent-soft: rgba(29, 78, 216, 0.12);
    --tz-warning: #d97706;
    --tz-success: #15803d;
    --tz-danger: #b91c1c;
    --tz-shadow: 0 16px 28px -24px rgba(15, 23, 42, 0.6);
}

body[data-theme="dark"] {
    --tz-bg: #0b1220;
    --tz-panel: #111a2b;
    --tz-panel-alt: #0f1827;
    --tz-text: #e2e8f0;
    --tz-muted: #9aa4b2;
    --tz-border: #1f2a3d;
    --tz-accent: #60a5fa;
    --tz-accent-soft: rgba(96, 165, 250, 0.18);
    --tz-warning: #f59e0b;
    --tz-success: #22c55e;
    --tz-danger: #f87171;
    --tz-shadow: 0 18px 34px -26px rgba(2, 6, 23, 0.9);
}

.timezone-converter-page {
    background: var(--tz-bg);
    color: var(--tz-text);
}

.timezone-converter-page .tz-converter {
    padding: 24px 0 60px;
}

.tz-details {
    margin-top: 28px;
}

.tz-details__grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
}

.tz-details__content {
    background: var(--tz-panel);
    border: 1px solid var(--tz-border);
    border-radius: 16px;
    box-shadow: var(--tz-shadow);
    padding: 20px 22px;
}

.tz-details__content h2 {
    font-size: 1.6rem;
    margin-bottom: 8px;
}

.tz-details__content p {
    color: var(--tz-muted);
    margin-bottom: 12px;
}

.tz-details__list {
    list-style: disc;
    padding-left: 20px;
    margin: 0 0 12px;
    display: grid;
    gap: 8px;
}

.tz-details__list li {
    font-size: 1.85rem;
}

.tz-details__note {
    color: var(--tz-muted);
    font-size: 1.5rem;
    margin: 0;
}

.tz-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    gap: 20px;
    align-items: center;
    margin-bottom: 24px;
}

.tz-hero__intro-section,
.tz-hero__actions-section {
    display: flex;
    align-items: center;
}

.tz-hero__intro-section {
    justify-content: flex-start;
    max-width: 720px;
}

.tz-hero__actions-section {
    justify-content: flex-end;
}

.tz-hero__eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 1.95rem;
    color: var(--tz-muted);
    margin: 0 0 12px;
}

.tz-hero__intro,
.tz-hero__intro-section {
    text-align: left;
}

.tz-hero__title {
    font-size: clamp(2.2rem, 3.6vw, 3.2rem);
    line-height: 1.1;
    margin: 0 0 12px;
    font-weight: 600;
}

.tz-hero__subtitle {
    margin: 0;
    font-size: 1.85rem;
    color: var(--tz-muted);
}

.tz-hero__actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    align-items: center;
}

.tz-grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 20px;
}

.span-12 { grid-column: span 12; }
.span-8 { grid-column: span 8; }
.span-7 { grid-column: span 7; }
.span-6 { grid-column: span 6; }
.span-5 { grid-column: span 5; }
.span-4 { grid-column: span 4; }

.tz-card {
    background: var(--tz-panel);
    border: 1px solid var(--tz-border);
    border-radius: 16px;
    box-shadow: var(--tz-shadow);
    padding: 18px 20px;
    display: grid;
    gap: 16px;
}

.tz-card__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.tz-card__header h2 {
    margin: 0 0 4px;
    font-size: 20px;
}

.tz-card__header p {
    margin: 0;
    color: var(--tz-muted);
    font-size: 14px;
}

.tz-card__tag {
    background: var(--tz-accent-soft);
    color: var(--tz-accent);
    font-size: 12px;
    padding: 6px 10px;
    border-radius: 999px;
    font-weight: 700;
}

.tz-card__body {
    display: grid;
    gap: 14px;
}

.tz-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
}

.tz-form-group {
    display: grid;
    gap: 6px;
    position: relative;
}

.tz-form-group label {
    font-size: 13px;
    color: var(--tz-muted);
    margin: 0;
}

.tz-form-group--search input {
    padding-right: 32px;
}

.tz-meta {
    padding: 10px 12px;
    border-radius: 10px;
    background: var(--tz-panel-alt);
    border: 1px solid var(--tz-border);
    font-weight: 600;
}

.tz-meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
}

.tz-meta-card {
    background: var(--tz-panel-alt);
    border: 1px solid var(--tz-border);
    border-radius: 12px;
    padding: 12px;
    display: grid;
    gap: 4px;
}

.tz-meta__label {
    font-size: 12px;
    color: var(--tz-muted);
}

.tz-meta__value {
    font-size: 16px;
    font-weight: 700;
}

.tz-note {
    font-size: 13px;
    color: var(--tz-muted);
    background: var(--tz-panel-alt);
    border: 1px dashed var(--tz-border);
    padding: 10px 12px;
    border-radius: 10px;
}

.tz-chip-list {
    display: grid;
    gap: 8px;
}

.tz-chip {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 8px 12px;
    border: 1px solid var(--tz-border);
    border-radius: 999px;
    background: var(--tz-panel-alt);
    font-size: 13px;
}

.tz-chip button {
    border: none;
    background: transparent;
    color: var(--tz-danger);
    font-weight: 700;
}

.tz-inline-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.tz-button {
    border: none;
    background: var(--tz-accent);
    color: #fff;
    padding: 10px 14px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 13px;
    cursor: pointer;
}

.tz-button--ghost {
    background: var(--tz-panel-alt);
    color: var(--tz-text);
    border: 1px solid var(--tz-border);
}

.tz-button--outline {
    background: transparent;
    border: 1px solid var(--tz-accent);
    color: var(--tz-accent);
}

.results-grid {
    display: grid;
    gap: 10px;
}

.results-row {
    display: grid;
    grid-template-columns: 1.3fr 0.95fr 0.95fr 0.8fr 0.8fr 0.7fr 1.5fr;
    gap: 10px;
    align-items: center;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--tz-border);
    background: var(--tz-panel-alt);
    cursor: pointer;
}

.results-header {
    background: transparent;
    border: none;
    font-weight: 700;
    cursor: default;
}

.results-cell {
    font-size: 14px;
}

.results-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tz-action-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--tz-border);
    background: var(--tz-panel-alt);
}

.tz-action-bar__summary {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
}

.tz-action-bar__label {
    color: var(--tz-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 11px;
}

.tz-action-bar__value {
    font-weight: 700;
}

.tz-action-bar__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: flex-end;
}

.tz-action-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid var(--tz-border);
    background: var(--tz-panel);
    color: var(--tz-text);
    font-size: 12px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
}

.tz-action-link:hover,
.tz-action-link:focus {
    border-color: var(--tz-accent);
    color: var(--tz-accent);
    text-decoration: none;
}

.tz-action-link[aria-disabled="true"] {
    opacity: 0.5;
    pointer-events: none;
}

.tz-action-link--primary {
    justify-content: center;
    border-color: transparent;
    background: var(--tz-accent);
    color: #fff;
}

.results-actions .tz-action-link {
    font-size: 11px;
    padding: 4px 8px;
}

.results-row.is-active {
    border-color: var(--tz-accent);
    box-shadow: inset 0 0 0 1px var(--tz-accent);
}

.tz-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
}

.tz-badge--day { background: rgba(59, 130, 246, 0.18); color: #2563eb; }
.tz-badge--night { background: rgba(30, 64, 175, 0.2); color: #1e3a8a; }
.tz-badge--work { background: rgba(16, 185, 129, 0.2); color: #047857; }
.tz-badge--off { background: rgba(234, 88, 12, 0.2); color: #c2410c; }
.tz-badge--shift { background: rgba(15, 23, 42, 0.1); color: var(--tz-text); }

.tz-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 8px;
}

.tz-list li {
    background: var(--tz-panel-alt);
    border: 1px solid var(--tz-border);
    padding: 10px 12px;
    border-radius: 10px;
    font-size: 14px;
}

.tz-slider {
    width: 100%;
}

.tz-slider-scale {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--tz-muted);
    margin-top: 6px;
}

.tz-legend {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tz-legend__item {
    font-size: 11px;
    padding: 4px 8px;
    border-radius: 999px;
    border: 1px solid var(--tz-border);
}

.tz-legend__item--morning { background: rgba(59, 130, 246, 0.14); }
.tz-legend__item--work { background: rgba(34, 197, 94, 0.16); }
.tz-legend__item--evening { background: rgba(251, 146, 60, 0.2); }
.tz-legend__item--night { background: rgba(30, 64, 175, 0.2); }

.heatmap {
    display: grid;
    gap: 10px;
}

.heatmap-row {
    display: grid;
    grid-template-columns: 140px repeat(24, minmax(0, 1fr));
    gap: 4px;
    align-items: center;
}

.heatmap-label {
    font-size: 12px;
    color: var(--tz-muted);
}

.heatmap-cell {
    height: 18px;
    border-radius: 4px;
    border: 1px solid var(--tz-border);
}

.segment-morning { background: rgba(59, 130, 246, 0.18); }
.segment-work { background: rgba(34, 197, 94, 0.22); }
.segment-evening { background: rgba(251, 146, 60, 0.28); }
.segment-night { background: rgba(30, 64, 175, 0.28); }

.heatmap-cell.is-selected {
    outline: 2px solid var(--tz-accent);
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--tz-panel);
    border: 1px solid var(--tz-border);
    border-radius: 10px;
    box-shadow: var(--tz-shadow);
    padding: 6px;
    display: none;
    max-height: 220px;
    overflow-y: auto;
    z-index: 10;
}

.search-results.is-open {
    display: grid;
    gap: 6px;
}

.search-result {
    padding: 8px 10px;
    border-radius: 8px;
    background: var(--tz-panel-alt);
    border: 1px solid transparent;
    font-size: 13px;
    cursor: pointer;
}

.search-result:hover,
.search-result:focus {
    border-color: var(--tz-accent);
}

.reverse-results {
    display: grid;
    gap: 8px;
}

.reverse-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
    background: var(--tz-panel-alt);
    border: 1px solid var(--tz-border);
    border-radius: 10px;
    font-size: 14px;
}

.tz-muted {
    color: var(--tz-muted);
    font-size: 13px;
}

.timezone-converter-page .form-control {
    border-radius: 10px;
    border-color: var(--tz-border);
    background: var(--tz-panel);
    color: var(--tz-text);
}

.timezone-converter-page .form-control:focus {
    border-color: var(--tz-accent);
    box-shadow: 0 0 0 2px var(--tz-accent-soft);
}

.timezone-converter-page textarea.form-control {
    resize: vertical;
}

body.tz-embed .site-header,
body.tz-embed #fh5co-footer,
body.tz-embed .breadcrumbs-wrapper,
body.tz-embed .tz-hero {
    display: none;
}

@media screen and (max-width: 1100px) {
    .tz-hero {
        grid-template-columns: 1fr;
    }

    .tz-hero__actions {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .tz-hero__actions-section {
        justify-content: flex-start;
    }

    .span-7 { grid-column: span 12; }
    .span-5 { grid-column: span 12; }
    .span-8 { grid-column: span 12; }
    .span-4 { grid-column: span 6; }
}

@media screen and (max-width: 860px) {
    .span-6 { grid-column: span 12; }
    .span-4 { grid-column: span 12; }

    .results-row {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .results-row.results-header {
        display: none;
    }

    .results-cell {
        display: grid;
        gap: 2px;
    }

    .results-cell::before {
        content: attr(data-label);
        font-size: 11px;
        text-transform: uppercase;
        color: var(--tz-muted);
        letter-spacing: 1px;
    }

    .tz-action-bar {
        flex-direction: column;
        align-items: flex-start;
    }

    .tz-action-bar__actions {
        justify-content: flex-start;
    }

    .heatmap-row {
        grid-template-columns: 90px repeat(12, minmax(0, 1fr));
    }

    .heatmap-cell:nth-child(n+14) {
        display: none;
    }

    .tz-hero__actions {
        grid-template-columns: 1fr;
    }

    .tz-hero__actions-section,
    .tz-hero__intro-section {
        justify-content: flex-start;
    }
}

@media screen and (max-width: 600px) {
    .tz-card {
        padding: 16px;
    }

    .tz-hero__title {
        font-size: 2rem;
    }

    .tz-hero__subtitle {
        font-size: 0.98rem;
    }

    .tz-card__header {
        flex-direction: column;
    }

    .tz-details__content {
        padding: 16px;
    }

    .tz-details__content h2 {
        font-size: 1.4rem;
    }
}