.date-picker[hidden] {
    display: none;
}

.date-picker {
    position: fixed;
    inset: 0;
    z-index: 1200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
}

.date-picker__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(5, 5, 12, 0.72);
    backdrop-filter: blur(4px);
}

.date-picker__dialog {
    position: relative;
    z-index: 1;
    width: min(100%, 360px);
    padding: 20px 18px 18px;
    border-radius: var(--radius-xl);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow);
}

.date-picker__head {
    display: grid;
    grid-template-columns: 40px 1fr 40px;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.date-picker__title {
    margin: 0;
    font-size: 17px;
    font-weight: 700;
    text-align: center;
}

.date-picker__nav {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

.date-picker__nav:hover {
    border-color: var(--accent);
    background: rgba(94, 72, 249, 0.12);
}

.date-picker__weekdays,
.date-picker__grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 6px;
}

.date-picker__weekdays {
    margin-bottom: 8px;
}

.date-picker__weekdays span {
    text-align: center;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
}

.date-picker__day,
.date-picker__day-placeholder {
    min-height: 40px;
}

.date-picker__day {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.date-picker__day:hover:not(:disabled) {
    background: rgba(94, 72, 249, 0.12);
    border-color: rgba(94, 72, 249, 0.25);
}

.date-picker__day--selected {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.date-picker__day--today:not(.date-picker__day--selected) {
    border-color: rgba(94, 72, 249, 0.45);
    color: var(--accent-light);
}

.date-picker__day:disabled {
    opacity: 0.28;
    cursor: not-allowed;
}

body.date-picker-open {
    overflow: hidden;
}