/* ============================================
   CALENDAR MOVING DATE — Premium redesign
   Apple-inspired · Airbnb-level polish
   ============================================ */

/* ========== OVERLAY ========== */
.calendar-modal {
    position: fixed;
    inset: 0;
    background: rgba(13, 22, 47, 0.45);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    animation: cal-overlay 0.2s ease-out;
}
@keyframes cal-overlay {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* ========== CARD ========== */
.calendar-content {
    background: #fff;
    border-radius: 22px;
    padding: 1.75rem 1.5rem 1.5rem;
    max-width: 370px;
    width: 100%;
    box-shadow:
        0 24px 80px rgba(13, 22, 47, 0.18),
        0 8px 24px rgba(13, 22, 47, 0.08);
    animation: cal-card 0.35s cubic-bezier(0.32, 0.72, 0, 1);
}
@keyframes cal-card {
    from { opacity: 0; transform: scale(0.95) translateY(10px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* ========== MODE PILLS ========== */
.calendar-options {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-bottom: 1.25rem;
    padding: 0;
    border: none;
}

.option-toggle {
    display: flex;
}

.toggle-label {
    cursor: pointer;
    display: flex;
    align-items: center;
    user-select: none;
    padding: 0;
    background: transparent;
    border-radius: 0;
    gap: 0;
}
.toggle-label:hover .toggle-pill {
    border-color: var(--color-primary-alpha-20);
    background: var(--color-primary-alpha-03);
}

.toggle-label input[type="checkbox"] {
    display: none;
}

/* Hide old slider */
.toggle-slider {
    display: none;
}

/* Pill chip */
.toggle-pill {
    padding: 7px 16px;
    border-radius: 100px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--color-text-secondary);
    background: transparent;
    border: 1.5px solid var(--color-border);
    transition: all 0.2s ease;
    white-space: nowrap;
}

/* Active pill — ASAP */
.toggle-label.active .toggle-pill {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

/* Active pill — Flexible dates (range) */
#range-label.active .toggle-pill {
    background: var(--color-secondary);
    color: #fff;
    border-color: var(--color-secondary);
}

/* Disabled state */
.toggle-label input[type="checkbox"]:disabled ~ .toggle-pill {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
}

/* Legacy .option-text hidden */
.option-text { display: none; }

/* ========== NAVIGATION ========== */
.calendar-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    padding: 0 2px;
    border: none;
}

.calendar-nav button {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    color: var(--color-text-secondary);
    transition: background 0.15s ease, color 0.15s ease;
    padding: 0;
}
.calendar-nav button:hover {
    background: var(--color-surface);
    color: var(--color-text-primary);
}
.calendar-nav button:active {
    transform: scale(0.92);
}

#current-month-year {
    font-weight: 700;
    font-size: 1rem;
    color: var(--color-text-primary);
    letter-spacing: -0.01em;
}

/* ========== GRID ========== */
.visual-calendar {
    margin-bottom: 0;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    grid-template-rows: auto repeat(6, 1fr);
    gap: 2px;
    padding: 0;
}

/* ========== DAY CELLS ========== */
.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--color-text-primary);
    background: transparent;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease, transform 0.12s ease;
    position: relative;
    -webkit-tap-highlight-color: transparent;
}

/* Header cells — weekday letters */
.calendar-day.header {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    cursor: default;
    aspect-ratio: auto;
    padding: 6px 0 2px;
}

/* Past / disabled */
.calendar-day.disabled {
    color: var(--color-border);
    cursor: default;
    pointer-events: none;
}

/* Other month — greyed out */
.calendar-day.other-month {
    color: var(--color-border);
    cursor: default;
    pointer-events: none;
}

/* Today — subtle dot below */
.calendar-day.today {
    color: var(--color-secondary);
    font-weight: 700;
    border: none;
}
.calendar-day.today::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--color-secondary);
}


/* Hover — non-selected, non-disabled */
.calendar-day:not(.disabled):not(.header):not(.selected):not(.range-start):not(.range-end):not(.in-range):hover {
    background: var(--color-surface);
}
.calendar-day:not(.disabled):not(.header):active {
    transform: scale(0.9);
}

/* ========== SELECTED STATES ========== */

/* Single selected */
.calendar-day.selected {
    background: var(--color-secondary);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 2px 8px var(--color-secondary-alpha-30);
}
.calendar-day.selected::after {
    display: none;
}

/* Range start */
.calendar-day.range-start {
    background: var(--color-secondary);
    color: #fff;
    font-weight: 600;
    border-radius: 50%;
    z-index: 1;
    box-shadow: 0 2px 8px var(--color-secondary-alpha-30);
}
.calendar-day.range-start::after { display: none; }

/* Range end */
.calendar-day.range-end {
    background: var(--color-secondary);
    color: #fff;
    font-weight: 600;
    border-radius: 50%;
    z-index: 1;
    box-shadow: 0 2px 8px var(--color-secondary-alpha-30);
}
.calendar-day.range-end::after { display: none; }

/* In-range — subtle fill band */
.calendar-day.in-range {
    background: var(--color-secondary-alpha-10);
    color: var(--color-secondary-dark);
    font-weight: 500;
    border-radius: 0;
}
.calendar-day.in-range::after { display: none; }

/* Waiting for end date — pulse */
.calendar-day.range-waiting {
    animation: cal-pulse 1.8s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}
@keyframes cal-pulse {
    0%, 100% { box-shadow: 0 0 0 0 var(--color-secondary-alpha-30); }
    50%      { box-shadow: 0 0 0 8px transparent; }
}

/* Swipe slide animations */
@keyframes cal-slide-left {
    from { opacity: 0; transform: translateX(30px); }
    to   { opacity: 1; transform: translateX(0); }
}
@keyframes cal-slide-right {
    from { opacity: 0; transform: translateX(-30px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* Time slot mode border-radius */
.calendar-day.range-start.time-slot-mode { border-radius: 50%; }
.calendar-day.range-end.time-slot-mode   { border-radius: 50%; }

/* Hover preview for range */
.calendar-day.hover-range {
    background: var(--color-secondary-alpha-08) !important;
    border-radius: 0;
}
.calendar-day.hover-end {
    background: var(--color-secondary-alpha-20) !important;
    color: var(--color-secondary) !important;
    border-radius: 50%;
    font-weight: 600;
}

/* ========== VALIDATE BUTTON ========== */
.calendar-actions {
    display: flex;
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

.btn-validate {
    width: 100%;
    padding: 14px 24px;
    border: none;
    border-radius: 14px;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.01em;
    cursor: pointer;
    background: var(--color-primary);
    color: #fff;
    transition: background 0.2s ease, transform 0.12s ease, box-shadow 0.2s ease;
    box-shadow: 0 2px 8px var(--color-primary-dark-alpha-15);
}
.btn-validate:hover:not(:disabled) {
    background: var(--color-primary-light);
    box-shadow: 0 4px 16px var(--color-primary-dark-alpha-20);
}
.btn-validate:active:not(:disabled) {
    transform: scale(0.98);
}
.btn-validate:disabled {
    background: var(--color-surface);
    color: var(--color-border-dark);
    cursor: not-allowed;
    box-shadow: none;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 480px) {
    .calendar-content {
        max-width: calc(100% - 1rem);
        padding: 1.25rem 1rem 1rem;
        border-radius: 18px;
    }
    .calendar-day {
        font-size: 0.82rem;
    }
    .calendar-day.header {
        font-size: 0.65rem;
    }
    .toggle-pill {
        padding: 6px 12px;
        font-size: 0.72rem;
    }
    .btn-validate {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
}