/* ───── Timestamp Converter — Layout ───── */
.ts-converter-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}
.ts-current-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 14px;
    margin-bottom: 1.25rem;
    backdrop-filter: blur(8px);
}
.ts-current-bar .ts-live-val {
    font-family: 'SF Mono','Cascadia Code','Fira Code',monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    word-break: break-all;
    flex: 1;
    min-width: 0;
}
.ts-current-bar .ts-live-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-tertiary);
    font-weight: 600;
    white-space: nowrap;
}
.ts-current-bar .btn-sm {
    flex-shrink: 0;
}

/* ───── Panel Cards ───── */
.ts-panel {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    padding: 1.25rem;
    backdrop-filter: blur(8px);
    transition: border-color 0.25s, box-shadow 0.25s;
}
.ts-panel:hover {
    border-color: var(--accent);
    box-shadow: 0 4px 20px rgba(255,107,74,0.1);
}
.ts-panel h3 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin: 0 0 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.ts-input-row {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}
.ts-input-row input {
    flex: 1;
    min-width: 0;
}
.ts-input-row select {
    min-width: 140px;
}
.ts-input-row input,
.ts-input-row select {
    padding: 0.65rem 0.85rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 0.95rem;
    transition: border-color 0.15s;
}
.ts-input-row input:focus,
.ts-input-row select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(255,107,74,0.12);
}
.ts-input-row input[aria-invalid="true"],
.ts-input-row select[aria-invalid="true"] {
    border-color: #e74c3c;
}
.ts-error-msg {
    font-size: 0.78rem;
    color: #e74c3c;
    min-height: 1.2em;
    margin-bottom: 0.5rem;
    display: none;
}

/* ───── Results Grid ───── */
.ts-results {
    display: none;
    margin-top: 1.25rem;
}
.ts-results.show {
    display: block;
}
.ts-results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-bottom: 1rem;
}
.ts-result-item {
    text-align: center;
    padding: 1rem 0.65rem;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--accent-light), transparent 70%);
    border: 1px solid var(--border-glass);
    position: relative;
    overflow: hidden;
    transition: transform 0.3s cubic-bezier(0.16,1,0.3,1);
}
.ts-result-item:hover {
    transform: translateY(-2px);
}
.ts-result-value {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--accent);
    word-break: break-all;
    line-height: 1.3;
    position: relative;
    z-index: 1;
}
.ts-result-value.mono {
    font-family: 'SF Mono','Cascadia Code','Fira Code',monospace;
    font-size: 0.85rem;
}
.ts-result-label {
    font-size: 0.68rem;
    color: var(--text-tertiary);
    margin-top: 4px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
    z-index: 1;
}

/* ───── Extra Info Row ───── */
.ts-extra-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
    margin-bottom: 1rem;
}
.ts-extra-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 1rem;
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    background: var(--bg-glass);
    transition: all 0.25s;
}
.ts-extra-item:hover {
    border-color: var(--accent);
    box-shadow: 0 2px 12px rgba(255,107,74,0.1);
}
.ts-extra-label {
    font-size: 0.78rem;
    color: var(--text-secondary);
    white-space: nowrap;
}
.ts-extra-value {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--accent);
    margin-left: auto;
}

/* ───── Relative Time Banner ───── */
.ts-relative-banner {
    padding: 1rem 1.25rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 14px;
    backdrop-filter: blur(8px);
    margin-bottom: 1rem;
}
.ts-relative-banner h4 {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--text-tertiary);
    margin-bottom: 0.4rem;
}
.ts-relative-banner p {
    font-size: 1.05rem;
    color: var(--text);
    font-weight: 600;
    margin: 0;
}

/* ───── Buttons ───── */
.ts-btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
    margin-bottom: 0.75rem;
}
.ts-btn-convert {
    padding: 0.75rem 1.5rem;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    justify-content: center;
}
.ts-btn-convert:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(255,107,74,0.3);
}
.ts-btn-convert:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.ts-btn-secondary-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}
.ts-btn-sm {
    padding: 0.55rem 0.75rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font);
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    white-space: nowrap;
}
.ts-btn-sm:hover {
    background: var(--border);
    border-color: var(--accent);
    color: var(--accent);
}

/* ───── Toast ───── */
.ts-toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: #fff;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    z-index: 9999;
    font-size: 0.9rem;
    font-weight: 600;
    display: none;
}

/* ───── Loading indicator ───── */
.ts-processing {
    display: none;
    text-align: center;
    padding: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-style: italic;
}
.ts-processing.active {
    display: block;
}

/* ───── Mobile ───── */
@media (max-width: 768px) {
    .ts-converter-grid {
        grid-template-columns: 1fr;
    }
    .ts-results-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .ts-extra-grid {
        grid-template-columns: 1fr 1fr;
    }
    .ts-current-bar {
        flex-direction: column;
        align-items: stretch;
    }
    .ts-current-bar .ts-live-val {
        font-size: 1.25rem;
        text-align: center;
    }
    .ts-input-row {
        flex-direction: column;
    }
    .ts-input-row select {
        min-width: 0;
    }
}
@media (max-width: 480px) {
    .ts-results-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .ts-extra-grid {
        grid-template-columns: 1fr;
    }
    .ts-btn-secondary-row {
        grid-template-columns: 1fr 1fr;
    }
}