.drp {
    position: relative;
    display: inline-block;
}
.drp-inputs {
    display: flex;
    align-items: center;
    gap: 6px;
}
.drp-input {
    width: 110px;
    padding: 6px 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    font: inherit;
    font-variant-numeric: tabular-nums;
}
.drp-input.drp-invalid { border-color: var(--red); }
.drp-arrow { color: var(--text-muted); }
.drp-icon-btn {
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 4px 8px;
    cursor: pointer;
    color: var(--text-secondary);
}
.drp-icon-btn:hover { color: var(--text-primary); border-color: var(--border-light); }
.drp-popover {
    position: absolute;
    z-index: 1000;
    top: calc(100% + 4px);
    left: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    padding: 12px;
    min-width: 264px;
    display: none;
}
.drp-popover.open { display: block; }
.drp-error {
    color: var(--red);
    font-size: 0.8rem;
    margin-top: 4px;
    min-height: 1em;
}
.drp-sr-only {
    position: absolute; width: 1px; height: 1px;
    padding: 0; margin: -1px; overflow: hidden;
    clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.drp-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}
.drp-nav-btn {
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-secondary);
    cursor: pointer;
    width: 28px; height: 28px;
    display: inline-flex; align-items: center; justify-content: center;
}
.drp-nav-btn:hover { color: var(--text-primary); border-color: var(--border-light); }
.drp-title {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}
.drp-grid {
    display: grid;
    grid-template-columns: repeat(7, 32px);
    gap: 2px;
}
.drp-dow {
    text-align: center;
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    padding: 4px 0;
}
.drp-day {
    width: 32px; height: 32px;
    border: 0;
    border-radius: 4px;
    background: transparent;
    color: var(--text-primary);
    font: inherit;
    font-size: 0.85rem;
    cursor: pointer;
    display: inline-flex; align-items: center; justify-content: center;
    font-variant-numeric: tabular-nums;
}
.drp-day:hover:not(:disabled) { background: var(--bg-hover); }
.drp-day.drp-day-outside { color: var(--text-muted); }
.drp-day.drp-day-today {
    box-shadow: inset 0 0 0 1px var(--accent);
}
.drp-day.drp-day-in-range { background: var(--accent-soft); }
.drp-day.drp-day-preview  { background: rgba(249,115,22,0.08); }
.drp-day.drp-day-selected {
    background: var(--accent);
    color: #fff;
    font-weight: 600;
}
.drp-day:disabled {
    color: var(--text-muted);
    cursor: not-allowed;
    opacity: 0.4;
}
.drp-footer {
    display: flex;
    justify-content: space-between;
    gap: 6px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
}
.drp-footer button {
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 4px 10px;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.85rem;
}
.drp-footer button:hover { color: var(--text-primary); border-color: var(--border-light); }
.drp-footer .drp-done-btn {
    border-color: var(--accent);
    color: var(--accent);
}

@media (max-width: 480px) {
    .drp-inputs { flex-wrap: wrap; }
    .drp-input { width: 120px; }
    .drp-popover {
        position: fixed;
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        border-radius: 12px 12px 0 0;
        padding: 16px;
        min-width: 0;
        box-shadow: 0 -8px 24px rgba(0,0,0,0.6);
    }
    .drp-grid {
        grid-template-columns: repeat(7, 1fr);
    }
    .drp-day {
        width: auto;
        height: 44px;
        font-size: 1rem;
    }
    .drp-dow { padding: 8px 0; }
}