/**
 * AccessibleDatePicker Styles
 * Inspired by Chrome's native date input
 */

/* CSS Custom Properties for theming */
:root {
    --adp-font-size: 14px;
    --adp-border-color: #dadce0;
    --adp-border-radius: 4px;
    --adp-background: #fff;
    --adp-text-color: #3c4043;
    --adp-text-muted: #70757a;
    --adp-primary-color: #1a73e8;
    --adp-primary-hover: #1967d2;
    --adp-hover-bg: #f1f3f4;
    --adp-selected-bg: #1a73e8;
    --adp-selected-text: #fff;
    --adp-today-border: #1a73e8;
    --adp-unavailable-color: #dadce0;
    --adp-unavailable-text: #9aa0a6;
    --adp-shadow: 0 2px 6px rgba(60, 64, 67, 0.15), 0 1px 3px rgba(60, 64, 67, 0.1);
    --adp-focus-ring: 0 0 0 2px rgba(26, 115, 232, 0.4);
    --adp-calendar-width: 280px;
    --adp-day-size: 36px;
    --adp-transition: 150ms ease;
}

/* Dark mode support */
/*
@media (prefers-color-scheme: dark) {
    :root {
        --adp-background: #292a2d;
        --adp-text-color: #e8eaed;
        --adp-text-muted: #9aa0a6;
        --adp-border-color: #5f6368;
        --adp-hover-bg: #3c4043;
        --adp-primary-color: #8ab4f8;
        --adp-primary-hover: #aecbfa;
        --adp-selected-bg: #8ab4f8;
        --adp-selected-text: #202124;
        --adp-today-border: #8ab4f8;
        --adp-unavailable-color: #5f6368;
        --adp-unavailable-text: #5f6368;
        --adp-shadow: 0 2px 6px rgba(0, 0, 0, 0.3), 0 1px 3px rgba(0, 0, 0, 0.2);
    }
}
*/

/* Wrapper */
.adp-wrapper {
    position: relative;
    display: inline-flex;
    align-items: center;
    width: 100%;
    max-width: 200px;
}

/* Input styling */
.adp-wrapper .adp-input {
    width: 100%;
    padding: 8px 36px 8px 12px;
    font-size: var(--adp-font-size);
    line-height: 1.5;
    color: var(--adp-text-color);
    background-color: var(--adp-background);
    border: 1px solid var(--adp-border-color);
    border-radius: var(--adp-border-radius);
    outline: none;
    transition: border-color var(--adp-transition), box-shadow var(--adp-transition);
    cursor: pointer;
    box-sizing: border-box;
}

.adp-wrapper .adp-input:hover {
    border-color: var(--adp-text-muted);
}

.adp-wrapper .adp-input:focus {
    border-color: var(--adp-primary-color);
    box-shadow: var(--adp-focus-ring);
}

.adp-wrapper .adp-input[readonly] {
    cursor: pointer;
}

.adp-wrapper .adp-input::placeholder {
    color: var(--adp-text-muted);
}

/* Icon button */
.adp-wrapper .adp-icon-btn {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    padding: 4px;
    background: transparent;
    border: none;
    border-radius: var(--adp-border-radius);
    cursor: pointer;
    color: var(--adp-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--adp-transition), color var(--adp-transition);
}

.adp-wrapper .adp-icon-btn:hover {
    background-color: var(--adp-hover-bg);
    color: var(--adp-text-color);
}

.adp-wrapper .adp-icon-btn:focus {
    outline: none;
    box-shadow: var(--adp-focus-ring);
}

.adp-wrapper .adp-icon-btn svg {
    width: 18px;
    height: 18px;
}

/* Calendar container */
.adp-wrapper .adp-calendar {
    position: absolute;
    left: 0;
    z-index: 1000;
    background: var(--adp-background);
    border: 1px solid var(--adp-border-color);
    border-radius: 8px;
    box-shadow: var(--adp-shadow);
    font-size: var(--adp-font-size);
    color: var(--adp-text-color);
    overflow: hidden;
    animation: adp-fade-in 150ms ease;
}

.adp-wrapper .adp-calendar[hidden] {
    display: none;
}

.adp-wrapper .adp-calendar--below {
    top: calc(100% + 4px);
}

.adp-wrapper .adp-calendar--above {
    bottom: calc(100% + 4px);
}

@keyframes adp-fade-in {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Calendar inner (for multi-month) */
.adp-wrapper .adp-calendar-inner {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    padding: 16px;
}

/* Single month container */
.adp-wrapper .adp-month {
    width: var(--adp-calendar-width);
}

/* Header with navigation */
.adp-wrapper .adp-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    gap: 8px;
}

/* Navigation buttons */
.adp-wrapper .adp-nav-btn {
    width: 32px;
    height: 32px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    color: var(--adp-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background-color var(--adp-transition), color var(--adp-transition);
}

.adp-wrapper .adp-nav-btn:hover:not(:disabled) {
    background-color: var(--adp-hover-bg);
    color: var(--adp-text-color);
}

.adp-wrapper .adp-nav-btn:focus {
    outline: none;
    box-shadow: var(--adp-focus-ring);
}

.adp-wrapper .adp-nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.adp-wrapper .adp-nav-btn svg {
    width: 20px;
    height: 20px;
}

.adp-wrapper .adp-nav-placeholder {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

/* Selectors container */
.adp-wrapper .adp-selectors {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    justify-content: center;
}

/* Month/Year select */
.adp-wrapper .adp-select {
    padding: 6px 24px 6px 8px;
    font-size: var(--adp-font-size);
    font-weight: 500;
    color: var(--adp-text-color);
    background-color: var(--adp-background);
    border: 1px solid transparent;
    border-radius: var(--adp-border-radius);
    cursor: pointer;
    outline: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2370757a' stroke-width='2'%3E%3Cpolyline points='6,9 12,15 18,9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 6px center;
    transition: background-color var(--adp-transition), border-color var(--adp-transition);
}

.adp-wrapper .adp-select:hover {
    background-color: var(--adp-hover-bg);
}

.adp-wrapper .adp-select:focus {
    border-color: var(--adp-primary-color);
    box-shadow: var(--adp-focus-ring);
}

.adp-wrapper .adp-month-select {
    min-width: 100px;
}

.adp-wrapper .adp-year-select {
    min-width: 70px;
}

/* Weekday headers */
.adp-wrapper .adp-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0;
    margin-bottom: 4px;
}

.adp-wrapper .adp-weekday {
    width: var(--adp-day-size);
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 500;
    color: var(--adp-text-muted);
    text-transform: uppercase;
}

/* Days grid */
.adp-wrapper .adp-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
}

/* Day button */
.adp-wrapper .adp-day {
    width: var(--adp-day-size);
    height: var(--adp-day-size);
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 400;
    color: var(--adp-text-color);
    background: transparent;
    border: 2px solid transparent;
    border-radius: 50%;
    cursor: pointer;
    transition: background-color var(--adp-transition), border-color var(--adp-transition), color var(--adp-transition);
    outline: none;
}

.adp-wrapper .adp-day--empty {
    cursor: default;
}

.adp-wrapper .adp-day:not(.adp-day--empty):not(.adp-day--disabled):hover {
    background-color: var(--adp-hover-bg);
}

.adp-wrapper .adp-day:focus {
    box-shadow: var(--adp-focus-ring);
}

/* Today */
.adp-wrapper .adp-day--today {
    border-color: var(--adp-today-border);
    font-weight: 600;
}

/* Selected */
.adp-wrapper .adp-day--selected {
    background-color: var(--adp-selected-bg) !important;
    color: var(--adp-selected-text) !important;
    border-color: var(--adp-selected-bg) !important;
    font-weight: 600;
}

/* Focused (keyboard navigation) */
.adp-wrapper .adp-day--focused:not(.adp-day--selected) {
    background-color: var(--adp-hover-bg);
}

/* Unavailable */
.adp-wrapper .adp-day--unavailable {
    color: var(--adp-unavailable-text);
    text-decoration: line-through;
    cursor: not-allowed;
}

.adp-wrapper .adp-day--unavailable:hover {
    background-color: transparent;
}

/* Out of range */
.adp-wrapper .adp-day--out-of-range {
    color: var(--adp-unavailable-text);
    cursor: not-allowed;
}

/* Disabled (combined) */
.adp-wrapper .adp-day--disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.adp-wrapper .adp-day--disabled:hover {
    background-color: transparent !important;
}

/* Responsive adjustments */
@media (max-width: 640px) {
    .adp-wrapper {
        max-width: 100%;
    }

    .adp-wrapper .adp-calendar {
        position: fixed;
        left: 50% !important;
        right: auto !important;
        transform: translateX(-50%);
        max-width: calc(100vw - 32px);
    }

    .adp-wrapper .adp-calendar--below {
        top: auto;
        bottom: 16px;
    }

    .adp-wrapper .adp-calendar--above {
        top: 16px;
        bottom: auto;
    }

    .adp-wrapper .adp-month {
        width: 100%;
    }

    .adp-wrapper .adp-days {
        gap: 0;
    }

    .adp-wrapper .adp-day {
        width: 100%;
        aspect-ratio: 1;
    }

    .adp-wrapper .adp-weekday {
        width: 100%;
    }
}

/* Multi-month layout */
.adp-wrapper .adp-calendar-inner:has(.adp-month:nth-child(2)) {
    flex-wrap: nowrap;
}

@media (max-width: 640px) {
    .adp-wrapper .adp-calendar-inner:has(.adp-month:nth-child(2)) {
        flex-wrap: wrap;
    }

    .adp-wrapper .adp-calendar-inner:has(.adp-month:nth-child(2)) .adp-month {
        width: 100%;
    }
}

/* High contrast mode support */
/*
@media (prefers-contrast: high) {
    :root {
        --adp-border-color: currentColor;
        --adp-focus-ring: 0 0 0 3px currentColor;
    }

    .adp-wrapper .adp-day--today {
        border-width: 3px;
    }

    .adp-wrapper .adp-day--selected {
        outline: 3px solid currentColor;
        outline-offset: -1px;
    }
}
*/

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .adp-wrapper .adp-calendar {
        animation: none;
    }

    .adp-wrapper .adp-input,
    .adp-wrapper .adp-icon-btn,
    .adp-wrapper .adp-nav-btn,
    .adp-wrapper .adp-select,
    .adp-wrapper .adp-day {
        transition: none;
    }
}