/* ========================================
   CALENDAR - Calendar Grid, Pickers, Days
   ======================================== */

/* Calendar Instruction Banner */
.calendar-instruction-banner {
    margin: 50px 0 30px 0;
    padding: 25px 40px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15) 0%, rgba(159, 122, 234, 0.15) 50%, rgba(240, 147, 251, 0.15) 100%);
    backdrop-filter: none;
    border-radius: 20px;
    border: 2px solid rgba(102, 126, 234, 0.3);
    box-shadow:
        0 10px 8px rgba(102, 126, 234, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
    animation: bannerPulse 3s ease-in-out infinite;
}

.calendar-instruction-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
    animation: rotateGlow 10s linear infinite;
    pointer-events: none;
}

@keyframes bannerPulse {
    0%, 100% {
        box-shadow:
            0 10px 8px rgba(102, 126, 234, 0.2),
            inset 0 1px 0 rgba(255, 255, 255, 0.2);
    }
    50% {
        box-shadow:
            0 15px 50px rgba(102, 126, 234, 0.4),
            inset 0 1px 0 rgba(255, 255, 255, 0.3);
    }
}

.calendar-instruction-text {
    margin: 0;
    text-align: center;
    font-size: 1.5em;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    position: relative;
    z-index: 1;
    text-shadow:
        0 2px 4px rgba(0, 0, 0, 0.8),
        0 4px 8px rgba(102, 126, 234, 0.6),
        0 0 0px rgba(102, 126, 234, 0.4);
}

.instruction-icon {
    font-size: 1.3em;
    display: inline-block;
    animation: pointDown 1.5s ease-in-out infinite;
    filter: drop-shadow(0 2px 8px rgba(102, 126, 234, 0.5));
}

@keyframes pointDown {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(8px);
    }
}

/* Calendar with Modern Look */
.calendar-container {
    margin: 40px 0;
    overflow-x: hidden;
}

#calendar {
    display: flex;
    gap: 35px;
    justify-content: center;
    flex-wrap: wrap;
    max-width: 100%;
}

.month {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: none;
    padding: 35px;
    border-radius: 20px;
    box-shadow: 0 10px 6px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    position: relative;
    flex: 0 0 calc(50% - 17.5px);
    max-width: calc(50% - 17.5px);
    min-width: 300px;
}

.month-control-btn {
    position: absolute;
    top: 15px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10;
}

.month-control-btn:hover {
    transform: scale(1.15);
}

.month-remove-btn {
    left: 15px;
    background: rgba(252, 129, 129, 0.3);
    color: #fc8181;
    border: 2px solid rgba(252, 129, 129, 0.5);
}

.month-remove-btn:hover {
    background: rgba(252, 129, 129, 0.5);
    color: white;
}

.month-add-btn {
    right: 15px;
    background: rgba(72, 187, 120, 0.3);
    color: #48bb78;
    border: 2px solid rgba(72, 187, 120, 0.5);
}

.month-add-btn:hover {
    background: rgba(72, 187, 120, 0.5);
    color: white;
}

.month:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 8px rgba(0, 0, 0, 0.4);
}

.month-header {
    text-align: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(102, 126, 234, 0.3);
}

.month-header h3 {
    color: var(--text-primary);
    font-size: 1.6em;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
    margin-bottom: 15px;
}

/* Adjust columns when weekends are hidden */
.month[data-show-weekends="false"] .weekdays {
    grid-template-columns: repeat(5, 1fr);
}

.weekday {
    text-align: center;
    font-weight: 700;
    color: var(--accent-purple);
    padding: 10px;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
}

/* Adjust columns when weekends are hidden */
.month[data-show-weekends="false"] .days {
    grid-template-columns: repeat(5, 1fr);
}

.day {
    min-width: 75px;
    min-height: 75px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    background: rgba(255, 255, 255, 0.02);
    user-select: none;
}

.day:hover:not(.empty):not(.blocked) {
    border-color: var(--accent-purple);
    background: rgba(159, 122, 234, 0.15);
    transform: scale(1.1);
}

.day.empty {
    border: none;
    background: transparent;
    cursor: default;
}

.day.blocked {
    background: rgba(203, 213, 224, 0.1);
    cursor: not-allowed;
    opacity: 0.5;
}

.day.blocked::after {
    content: '🚫';
    position: absolute;
    font-size: 22px;
}

.day.unavailable {
    background: rgba(252, 129, 129, 0.2);
    border-color: rgba(252, 129, 129, 0.4);
}

.day.available {
    background: rgba(72, 187, 120, 0.2);
    border-color: rgba(72, 187, 120, 0.4);
}

.day.all-available {
    background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
    color: white;
    font-weight: bold;
    border: none;
}

.day.all-available::after {
    content: '✓';
    position: absolute;
    font-size: 28px;
    color: white;
    animation: checkPulse 1.5s ease-in-out infinite;
}

@keyframes checkPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.day-number {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 5px;
    z-index: 1;
}

.day.blocked .day-number,
.day.all-available .day-number {
    color: inherit;
}

/* Month Picker Card - Clickable */
.month-picker-card {
    position: relative;
    cursor: pointer;
    transition: all 0.3s ease;
}

.month-picker-card:hover {
    transform: translateY(-3px);
}

.month-picker-card .month-input {
    cursor: pointer;
    pointer-events: none;
}

.month-picker-hint {
    display: block;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9em;
    margin-top: 8px;
    font-style: italic;
    opacity: 0.7;
}

/* Extra Large Modal for Year Picker */
.modal-content-xlarge {
    max-width: 1800px;
    min-width: 320px;  /* minimum mobile width */
    width: 98%;
    padding: 50px;
}

/* Year Picker Modal Styles */
.year-picker-modal {
    background: rgb(32, 32, 55);
    box-shadow:
        0 40px 100px rgba(0, 0, 0, 0.7),
        0 0 0 1px rgba(255, 255, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.2),
        0 0 0px rgba(102, 126, 234, 0.5);
}

.year-picker-controls {
    display: grid;
    grid-template-columns: auto 1fr auto; /* Previous | Year | Next */
    align-items: center;
    column-gap: 16px;
    row-gap: 12px;
    margin-bottom: 40px;
    padding: 25px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 20px;
    border: 2px solid rgba(102, 126, 234, 0.3);
}

.year-nav-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(159, 122, 234, 0.2) 100%);
    border: 2px solid rgba(102, 126, 234, 0.4);
    border-radius: 15px;
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    line-height: 1;
}

.year-nav-btn:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.4) 0%, rgba(159, 122, 234, 0.4) 100%);
    border-color: var(--accent-purple);
    transform: scale(1.05);
}

.year-nav-label {
    font-size: 16px;
}

.year-picker-year {
    font-size: 3em;
    font-weight: 900;
    color: var(--text-primary);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    letter-spacing: -2px;
    text-align: center;
    margin: 0;
    animation: yearPulse 2s ease-in-out infinite;
}

@keyframes yearPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.year-picker-months {
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* always 4 columns on the picker */
    gap: 24px;
}

.year-picker-month {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 26px 18px 30px; /* extra bottom padding for longer names */
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-sizing: border-box;
}

.year-picker-month::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.3), transparent);
    transition: left 0.5s ease;
}

.year-picker-month:hover::before {
    left: 100%;
}

.year-picker-month:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(159, 122, 234, 0.2) 100%);
    border-color: var(--accent-purple);
    transform: translateY(-8px) scale(1.05);
}

.year-picker-month.selected {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: var(--accent-purple);
}

.year-picker-month.selected:hover {
    transform: translateY(-8px) scale(1.08);
}

.month-number {
    font-size: 2.5em;
    font-weight: 900;
    color: var(--text-primary);
    margin-bottom: 10px;
    line-height: 1;
}

.year-picker-month.selected .month-number {
    color: white;
    text-shadow: none;
}

.month-name {
    font-size: 1.1em;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.year-picker-month.selected .month-name {
    color: white;
    text-shadow: none;
}

/* Disabled Month State (Past Months) */
.year-picker-month-disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
    background: linear-gradient(135deg, rgba(100, 100, 100, 0.1) 0%, rgba(80, 80, 80, 0.1) 100%);
    border-color: rgba(100, 100, 100, 0.3);
}

.year-picker-month-disabled:hover {
    transform: none;
    background: linear-gradient(135deg, rgba(100, 100, 100, 0.1) 0%, rgba(80, 80, 80, 0.1) 100%);
    border-color: rgba(100, 100, 100, 0.3);
}

.year-picker-month-disabled .month-number,
.year-picker-month-disabled .month-name {
    color: rgba(255, 255, 255, 0.3);
}

/* Day Picker Styles */
.day-picker-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding: 20px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 15px;
    border: 2px solid rgba(102, 126, 234, 0.2);
}

.day-picker-month-title {
    font-size: 2em;
    font-weight: 800;
    color: var(--text-primary);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

.day-picker-calendar {
    padding: 20px;
}

.day-picker-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
    margin-bottom: 15px;
}

.day-picker-weekday {
    text-align: center;
    font-weight: 700;
    font-size: 1.1em;
    color: var(--accent-purple);
    padding: 10px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 10px;
}

.day-picker-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
}

.day-picker-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3em;
    font-weight: 600;
    color: var(--text-primary);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.day-picker-day::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.3), transparent);
    transition: left 0.5s ease;
}

.day-picker-day:hover::before {
    left: 100%;
}

.day-picker-day:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(159, 122, 234, 0.2) 100%);
    border-color: var(--accent-purple);
    transform: scale(1.1);
}

.day-picker-day.selected {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: var(--accent-purple);
    color: white;
}

.day-picker-day.selected:hover {
    transform: scale(1.15);
}

.day-picker-day-empty {
    background: transparent;
    border: none;
    cursor: default;
}

.day-picker-day-empty:hover {
    transform: none;
    box-shadow: none;
    background: transparent;
}

.day-picker-day-empty::before {
    display: none;
}

.day-picker-day-blocked {
    background: rgba(128, 128, 128, 0.2);
    color: rgba(255, 255, 255, 0.3);
    border-color: rgba(128, 128, 128, 0.2);
    cursor: not-allowed;
    pointer-events: none;
}

.day-picker-day-blocked:hover {
    transform: none;
    box-shadow: none;
    background: rgba(128, 128, 128, 0.2);
}

.day-picker-day-blocked::before {
    display: none;
}

/* Prevent calendar overflow - stack vertically when dates would extend outside cards */
@media (max-width: 1400px) {
    #calendar {
        flex-direction: column;
        gap: 25px;
        align-items: center;
    }

    .month {
        flex: 0 0 auto;
        max-width: 100%;
        width: 100%;
        min-width: unset;
    }
}

/* Reduce day cell size on smaller screens to prevent overflow in single column */
@media (max-width: 600px) {
    .month {
        padding: 20px;
    }

    .day {
        min-width: 50px;
        min-height: 50px;
    }

    .day-number {
        font-size: 16px;
    }

    .days,
    .weekdays {
        gap: 5px;
    }
}

/* Responsive Day Picker */
@media (max-width: 768px) {
    .day-picker-header {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }

    .day-picker-header .btn {
        width: 100%;
    }

    .day-picker-month-title {
        font-size: 1.5em;
        text-align: center;
    }

    .day-picker-days {
        gap: 8px;
    }

    .day-picker-day {
        font-size: 1.1em;
    }

    .day-picker-weekday {
        font-size: 0.9em;
        padding: 8px;
    }
}
.calendar-settings-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.month-input {
    width: 100%;
    padding: 18px 24px;
    background: rgb(40, 40, 60);
    border: 2px solid rgba(102, 126, 234, 0.3);
    border-radius: 15px;
    font-size: 18px;
    color: var(--text-primary);
    transition: all 0.3s ease;
    font-family: inherit;
    font-weight: 600;
}

.month-input:hover {
    background: rgb(50, 50, 70);
    border-color: var(--accent-purple);
}

.month-input:focus {
    outline: none;
    border-color: var(--accent-purple);
    background: rgb(55, 55, 75);
    box-shadow:
        0 0 0px rgba(102, 126, 234, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.checkbox-group {
    padding: 25px;
    background: rgba(102, 126, 234, 0.08);
    border-radius: 15px;
    border: 2px solid rgba(102, 126, 234, 0.2);
    transition: all 0.3s ease;
}

.checkbox-group:hover {
    background: rgba(102, 126, 234, 0.12);
    border-color: var(--accent-purple);
    box-shadow: 0 5px 4px rgba(102, 126, 234, 0.2);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
    font-size: 1.1em;
    font-weight: 600;
}

.checkbox-label input[type="checkbox"] {
    width: 28px;
    height: 28px;
    cursor: pointer;
    accent-color: var(--accent-purple);
}

.checkbox-text {
    color: var(--text-primary);
    font-size: 1.2em;
}

.calendar-settings-content .btn {
    margin-top: 10px;
    font-size: 20px;
    height: var(--control-height);
    padding: 0 50px;
}