/* ============================================================
   Calendar
============================================================ */

.calendar {
    width: 100%;
    height: 100%;
    min-width: 0;
    min-height: 0;
    display: flex;
    flex-direction: column;
    padding: 18px;
    overflow: hidden;
    background-color: var(--color-surface);
}

/* ============================================================
   Calendar Header
============================================================ */

.calendar__header {
    width: 100%;
    min-height: 58px;
    display: grid;
    grid-template-columns: 34px 1fr 1fr 1fr 34px;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    padding: 8px 6px;
    margin-bottom: 14px;
    background-color: #f3f7f5;
    border: 1px solid var(--color-border);
    border-radius: 12px;
}

/* ============================================================
   Navigation Buttons
============================================================ */

.calendar__navigation {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-primary);
    background-color: var(--color-surface);
    font-family: sans-serif;
    font-size: 21px;
    line-height: 1;
    cursor: pointer;
    transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.calendar__navigation:hover {
    color: #ffffff;
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    transform: scale(1.06);
    box-shadow: 0 4px 9px rgba(33, 110, 137, 0.18);
}

.calendar__navigation:active {
    transform: scale(0.94);
}

/* ============================================================
   Persian Date Display
============================================================ */

.calendar__persian-date {
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1px;
}

.calendar__year {
    color: var(--color-text);
    font-size: 13px;
    font-weight: 700;
}

.calendar__month {
    color: var(--color-primary);
    font-size: 11px;
    font-weight: 500;
}

/* ============================================================
   Gregorian / Islamic Display
============================================================ */

.calendar__gregorian,
.calendar__islamic {
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1px;
}

.calendar__gregorian-month,
.calendar__islamic-month {
    color: var(--color-text-secondary);
    font-size: 8px;
    font-weight: 500;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.calendar__gregorian-month--active,
.calendar__islamic-month--active {
    color: var(--color-primary) !important;
    font-weight: 700;
    background-color: rgba(79, 158, 165, 0.08);
    padding: 0 6px;
    border-radius: 4px;
}

.calendar__gregorian-year,
.calendar__islamic-year {
    color: var(--color-text);
    font-size: 9px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    transition: all 0.2s ease;
}

.calendar__gregorian-year--dual,
.calendar__islamic-year--dual {
    font-size: 8px;
    gap: 2px;
}

.calendar__gregorian-year--dual .calendar__year-separator,
.calendar__islamic-year--dual .calendar__year-separator {
    color: var(--color-text-muted);
    font-weight: 300;
    font-size: 6px;
}

/* ============================================================
   Days Wrapper (Scrollable)
============================================================ */

.calendar__days-wrapper {
    width: 100%;
    min-width: 0;
    min-height: 0;
    flex: 1;
    overflow-x: hidden;
    overflow-y: auto;
    scrollbar-width: none;
    scroll-behavior: smooth;
}

.calendar__days-wrapper::-webkit-scrollbar {
    display: none;
}

/* ============================================================
   Days Container
============================================================ */

.calendar__days {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 7px;
    padding: 2px 3px 8px;
}

.calendar__loading {
    padding: 24px 8px;
    color: var(--color-text-secondary);
    font-size: 12px;
    text-align: center;
}

/* ============================================================
   Day Card
============================================================ */

.calendar__day {
    width: 100%;
    min-width: 0;
    height: 62px;
    min-height: 62px;
    display: grid;
    grid-template-columns: 1fr 110px 55px;
    align-items: center;
    padding: 6px 12px;
    background-color: #f8faf9;
    border: 1px solid var(--color-border);
    border-radius: 11px;
    cursor: pointer;
    transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.calendar__day:hover {
    background-color: #ffffff;
    border-color: var(--color-primary-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(24, 52, 61, 0.07);
}

/* ============================================================
   Right Section - Day Information
============================================================ */

.calendar__day-info {
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    direction: rtl;
}

.calendar__day-week {
    color: var(--color-text);
    font-size: 13px;
    font-weight: 700;
    line-height: 1;
    white-space: nowrap;
}

.calendar__day-subinfo {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    align-items: center;
    justify-content: space-between;
    width: 50px;
    max-width: 125px;
    direction: rtl;
}

.calendar__day-islamic {
    color: var(--color-text-secondary);
    font-size: 9px;
    font-weight: 500;
    text-align: center;
}

.calendar__day-week-en {
    color: var(--color-text-secondary);
    font-family: Arial, sans-serif;
    font-size: 9px;
    font-weight: 600;
    direction: ltr;
    text-align: center;
}

.calendar__day-gregorian {
    color: var(--color-text-secondary);
    font-family: Arial, sans-serif;
    font-size: 9px;
    font-weight: 500;
    direction: ltr;
    text-align: center;
}

/* ============================================================
   Center - Useful Time Display
============================================================ */

.calendar__day-useful-time {
    justify-self: center;
    padding: 6px 12px;
    color: var(--color-primary);
    background-color: rgba(79, 158, 165, 0.08);
    border: 1px solid rgba(79, 158, 165, 0.14);
    border-radius: 8px;
    font-family: Arial, sans-serif;
    font-size: 11px;
    font-weight: 700;
    direction: ltr;
    white-space: nowrap;
}

/* Has Time */
.calendar__day-useful-time--has-time {
    background-color: rgba(79, 158, 165, 0.15) !important;
    color: var(--color-primary) !important;
    border-color: rgba(79, 158, 165, 0.30) !important;
    font-weight: 700;
}

/* Today with Time */
.calendar__day--today .calendar__day-useful-time--has-time {
    background-color: var(--color-primary) !important;
    color: #ffffff !important;
    border-color: var(--color-primary) !important;
    box-shadow: 0 4px 10px rgba(33, 110, 137, 0.20);
}

/* Selected with Time */
.calendar__day--selected .calendar__day-useful-time--has-time {
    background-color: var(--color-primary) !important;
    color: #ffffff !important;
    border-color: var(--color-primary) !important;
}

/* Holiday with Time */
.calendar__day--holiday .calendar__day-useful-time--has-time {
    background-color: rgba(201, 75, 75, 0.12) !important;
    color: #c94b4b !important;
    border-color: rgba(201, 75, 75, 0.25) !important;
}

/* Today + Holiday with Time */
.calendar__day--today.calendar__day--holiday .calendar__day-useful-time--has-time {
    background-color: #c94b4b !important;
    color: #ffffff !important;
    border-color: #c94b4b !important;
}

/* Selected + Holiday with Time */
.calendar__day--selected.calendar__day--holiday .calendar__day-useful-time--has-time {
    background-color: #c94b4b !important;
    color: #ffffff !important;
    border-color: #c94b4b !important;
}

/* ============================================================
   Left - Persian Day Number
============================================================ */

.calendar__day-number {
    justify-self: center;
    color: var(--color-text);
    font-size: 19px;
    font-weight: 700;
    line-height: 1;
    direction: rtl;
}

/* ============================================================
   Today State
============================================================ */

.calendar__day--today {
    background: linear-gradient(90deg, rgba(79, 158, 165, 0.07), rgba(79, 158, 165, 0.17));
    border: 1.5px solid var(--color-primary);
    transform: scale(1.015);
    box-shadow: 0 5px 14px rgba(33, 110, 137, 0.14);
    z-index: 2;
}

.calendar__day--today:hover {
    background: linear-gradient(90deg, rgba(79, 158, 165, 0.10), rgba(79, 158, 165, 0.21));
    transform: scale(1.02);
}

.calendar__day--today .calendar__day-week {
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 800;
}

.calendar__day--today .calendar__day-useful-time {
    color: #ffffff;
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 4px 10px rgba(33, 110, 137, 0.20);
}

.calendar__day--today .calendar__day-number {
    color: var(--color-primary);
    font-size: 21px;
    font-weight: 800;
}

.calendar__day--today .calendar__day-subinfo span {
    font-weight: 600;
}

/* ============================================================
   Holiday State
============================================================ */

.calendar__day--holiday {
    background: linear-gradient(90deg, rgba(201, 75, 75, 0.06), rgba(201, 75, 75, 0.13));
    border-color: rgba(201, 75, 75, 0.35);
}

.calendar__day--holiday:hover {
    background: linear-gradient(90deg, rgba(201, 75, 75, 0.09), rgba(201, 75, 75, 0.17));
}

.calendar__day--holiday .calendar__day-week {
    color: #c94b4b;
}

.calendar__day--holiday .calendar__day-number {
    color: #c94b4b;
}

.calendar__day--today.calendar__day--holiday .calendar__day-week,
.calendar__day--today.calendar__day--holiday .calendar__day-number {
    color: #c94b4b;
}

/* ============================================================
   Selected State
============================================================ */

.calendar__day--selected {
    border-width: 2px;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(33, 110, 137, 0.15), 0 4px 10px rgba(24, 52, 61, 0.07);
}

.calendar__day--selected .calendar__day-week {
    color: var(--color-primary);
}

.calendar__day--selected .calendar__day-number {
    color: var(--color-primary);
}

.calendar__day--selected .calendar__day-useful-time {
    background-color: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
}

.calendar__day--selected.calendar__day--holiday .calendar__day-week,
.calendar__day--selected.calendar__day--holiday .calendar__day-number {
    color: #c94b4b;
}

.calendar__day--selected.calendar__day--holiday .calendar__day-useful-time {
    background-color: #c94b4b;
    border-color: #c94b4b;
}

/* ============================================================
   Responsive Design
============================================================ */

@media (max-width: 768px) {
    .calendar {
        padding: 12px;
    }

    .calendar__header {
        grid-template-columns: 28px 1fr 1fr 1fr 28px;
        gap: 4px;
        padding: 6px 4px;
        min-height: 48px;
    }

    .calendar__day {
        height: 54px;
        min-height: 54px;
        padding: 4px 8px;
        grid-template-columns: 1fr 80px 40px;
    }

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

    .calendar__day-useful-time {
        font-size: 10px;
        padding: 4px 8px;
    }

    .calendar__day-week {
        font-size: 11px;
    }

    .calendar__day-subinfo {
        width: 40px;
        gap: 2px;
    }

    .calendar__day-islamic,
    .calendar__day-week-en,
    .calendar__day-gregorian {
        font-size: 7px;
    }

    .calendar__year {
        font-size: 11px;
    }

    .calendar__month {
        font-size: 9px;
    }

    .calendar__gregorian-month,
    .calendar__islamic-month {
        font-size: 7px;
    }

    .calendar__gregorian-year,
    .calendar__islamic-year {
        font-size: 8px;
    }

    .calendar__navigation {
        width: 26px;
        height: 26px;
        font-size: 18px;
    }

    .calendar__gregorian-month--active,
    .calendar__islamic-month--active {
        font-size: 8px;
        padding: 0 4px;
    }
}

@media (max-width: 480px) {
    .calendar {
        padding: 8px;
    }

    .calendar__day {
        height: 48px;
        min-height: 48px;
        padding: 3px 6px;
        grid-template-columns: 1fr 60px 32px;
        gap: 4px;
    }

    .calendar__day-number {
        font-size: 14px;
    }

    .calendar__day-useful-time {
        font-size: 9px;
        padding: 3px 6px;
    }

    .calendar__day-week {
        font-size: 10px;
    }

    .calendar__day-subinfo {
        width: 32px;
    }

    .calendar__day-islamic,
    .calendar__day-week-en,
    .calendar__day-gregorian {
        font-size: 6px;
    }

    .calendar__header {
        grid-template-columns: 24px 1fr 1fr 1fr 24px;
        gap: 2px;
        padding: 4px 2px;
        min-height: 40px;
    }

    .calendar__navigation {
        width: 22px;
        height: 22px;
        font-size: 15px;
    }

    .calendar__gregorian-month--active,
    .calendar__islamic-month--active {
        font-size: 7px;
        padding: 0 3px;
    }

    .calendar__gregorian-year--dual,
    .calendar__islamic-year--dual {
        font-size: 7px;
    }
}

/* ============================================================
   Dark Theme Support
============================================================ */

:root[data-theme="dark"] .calendar__header {
    background-color: #1a2629;
}

:root[data-theme="dark"] .calendar__day {
    background-color: #1a2629;
}

:root[data-theme="dark"] .calendar__day:hover {
    background-color: #203035;
}

:root[data-theme="dark"] .calendar__day--today {
    background: linear-gradient(90deg, rgba(79, 158, 165, 0.1), rgba(79, 158, 165, 0.2));
}

:root[data-theme="dark"] .calendar__day--holiday {
    background: linear-gradient(90deg, rgba(201, 75, 75, 0.08), rgba(201, 75, 75, 0.15));
}

:root[data-theme="dark"] .calendar__day--holiday .calendar__day-week,
:root[data-theme="dark"] .calendar__day--holiday .calendar__day-number {
    color: #f87171;
}

:root[data-theme="dark"] .calendar__gregorian-month--active,
:root[data-theme="dark"] .calendar__islamic-month--active {
    color: #5fb3cc !important;
    background-color: rgba(79, 158, 165, 0.15);
}

/* Dark Theme - Useful Time */
:root[data-theme="dark"] .calendar__day-useful-time--has-time {
    background-color: rgba(79, 158, 165, 0.25) !important;
    color: #5fb3cc !important;
    border-color: rgba(79, 158, 165, 0.40) !important;
}

:root[data-theme="dark"] .calendar__day--today .calendar__day-useful-time--has-time {
    background-color: #5fb3cc !important;
    color: #ffffff !important;
    border-color: #5fb3cc !important;
    box-shadow: 0 4px 10px rgba(79, 158, 165, 0.25);
}

:root[data-theme="dark"] .calendar__day--selected .calendar__day-useful-time--has-time {
    background-color: #5fb3cc !important;
    color: #ffffff !important;
    border-color: #5fb3cc !important;
}

:root[data-theme="dark"] .calendar__day--holiday .calendar__day-useful-time--has-time {
    background-color: rgba(248, 113, 113, 0.20) !important;
    color: #f87171 !important;
    border-color: rgba(248, 113, 113, 0.35) !important;
}

:root[data-theme="dark"] .calendar__day--today.calendar__day--holiday .calendar__day-useful-time--has-time {
    background-color: #f87171 !important;
    color: #ffffff !important;
    border-color: #f87171 !important;
}

:root[data-theme="dark"] .calendar__day--selected.calendar__day--holiday .calendar__day-useful-time--has-time {
    background-color: #f87171 !important;
    color: #ffffff !important;
    border-color: #f87171 !important;
}

:root[data-theme="dark"] .calendar__day-useful-time {
    background-color: rgba(79, 158, 165, 0.08);
    color: #5fb3cc;
    border-color: rgba(79, 158, 165, 0.14);
}

:root[data-theme="dark"] .calendar__day--today .calendar__day-useful-time {
    background-color: #5fb3cc;
    color: #ffffff;
    border-color: #5fb3cc;
}

:root[data-theme="dark"] .calendar__day--selected .calendar__day-useful-time {
    background-color: #5fb3cc;
    color: #ffffff;
    border-color: #5fb3cc;
}

:root[data-theme="dark"] .calendar__day--holiday .calendar__day-useful-time {
    color: #f87171;
    background-color: rgba(248, 113, 113, 0.08);
    border-color: rgba(248, 113, 113, 0.14);
}

:root[data-theme="dark"] .calendar__day--today.calendar__day--holiday .calendar__day-useful-time {
    background-color: #f87171;
    color: #ffffff;
    border-color: #f87171;
}

:root[data-theme="dark"] .calendar__day--selected.calendar__day--holiday .calendar__day-useful-time {
    background-color: #f87171;
    color: #ffffff;
    border-color: #f87171;
}