/* Karate Calendar Component Styles */
.calendar-container {
    background: #fff;
    border-radius: 20px;
    padding: 30px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(0,0,0,0.05);
    max-width: 400px;
    margin: 0 auto;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

#monthDisplay {
    font-family: var(--heading-font);
    color: var(--karate-navy);
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
}

.nav-btn {
    background: var(--bg-light);
    border: none;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--karate-navy);
}

.nav-btn:hover {
    background: var(--karate-gold);
    color: white;
}

.nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    background: #eee;
}

.nav-btn:disabled:hover {
    background: #eee;
    color: var(--karate-navy);
}

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

.weekday-label {
    text-align: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: #a0a0a0;
    padding-bottom: 10px;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    border-radius: 10px;
    transition: all 0.2s;
    color: #444;
    position: relative;
}

.calendar-day.other-month { opacity: 0.2; }

/* Day States */
.calendar-day.has-course {
    background-color: var(--karate-navy);
    color: var(--karate-gold) !important;
    font-weight: 700;
    cursor: pointer;
    border: 2px solid var(--karate-gold);
}

.calendar-day.has-course:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(10, 25, 47, 0.3);
    background-color: var(--karate-gold);
    color: var(--karate-navy) !important;
}

.calendar-day.selected {
    background-color: var(--karate-gold) !important;
    color: var(--karate-navy) !important;
    box-shadow: 0 0 0 2px var(--karate-navy) inset;
}

.calendar-day.today {
    font-weight: 900;
    font-size: 1.2rem;
    color: var(--karate-navy);
    position: relative;
}

.calendar-day.today::before {
    content: '';
    position: absolute;
    bottom: 5px;
    width: 4px;
    height: 4px;
    background-color: var(--karate-gold);
    border-radius: 50%;
}

/* Booking Detail Bar */
.course-details-bar {
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    margin-top: 0;
}

.course-details-bar.active {
    max-height: 200px;
    opacity: 1;
    margin-top: 20px;
}

.details-inner {
    background: var(--karate-navy);
    border-top: 3px solid var(--karate-gold);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
}

.details-info h4 {
    color: var(--karate-gold);
    font-size: 0.9rem;
    text-transform: uppercase;
    margin: 0 0 5px 0;
    letter-spacing: 1px;
}

.details-info p {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 500;
}

.btn-book-now {
    background: var(--karate-gold);
    color: var(--karate-navy) !important;
    text-decoration: none !important;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.9rem;
    transition: transform 0.2s;
}

.btn-book-now:active { transform: scale(0.95); }

/* Legend & Responsive */
.calendar-legend {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 25px;
    font-size: 0.8rem;
    color: #666;
}

.legend-item { display: flex; align-items: center; gap: 5px; }
.dot { width: 10px; height: 10px; border-radius: 2px; }

@media (max-width: 768px) {
    .filter-wrapper { flex-direction: column; border-radius: 15px; }
}