.schedule-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    background: white;
    box-shadow: var(--shadow), 0 1px 0 rgba(255, 255, 255, 0.8) inset;
}

.schedule-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 900px;
}

.schedule-table th,
.schedule-table td {
    border: 1px solid #e8eef3;
    padding: 0;
    vertical-align: top;
}

.schedule-header {
    background: linear-gradient(135deg, #1a1f36 0%, #2d3340 100%);
    color: white;
    text-align: center;
}

.schedule-header th {
    padding: 16px 12px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.schedule-header th:first-child {
    width: 80px;
    min-width: 80px;
}

.schedule-header .weekend {
    background: rgba(255, 255, 255, 0.05);
}

.schedule-time-column {
    background: #fafbfc;
    text-align: center;
}

.schedule-time-column td {
    padding: 20px 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    border-right: 2px solid var(--border-color);
    letter-spacing: 0.2px;
}

.schedule-cell {
    min-height: 80px;
    padding: 8px;
    position: relative;
    background: #fafbfc;
    transition: background var(--transition-fast);
}

.schedule-cell:hover {
    background: #f0f3f7;
}

.schedule-course {
    background: linear-gradient(135deg, #4a6cf7 0%, #6b8cff 100%);
    color: white;
    padding: 10px;
    border-radius: var(--radius-sm);
    height: 100%;
    min-height: 64px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-shadow: 0 3px 12px rgba(74, 108, 247, 0.35);
    transition: all var(--transition-fast);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.schedule-course::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: rgba(255, 255, 255, 0.3);
}

.schedule-course:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(74, 108, 247, 0.5);
}

.schedule-course .course-name {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 4px;
    line-height: 1.4;
    letter-spacing: -0.1px;
}

.schedule-course .course-info {
    font-size: 11px;
    opacity: 0.95;
    display: flex;
    flex-direction: column;
    gap: 2px;
    line-height: 1.5;
}

.schedule-course .course-info span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.schedule-course .course-info i {
    font-size: 10px;
}

.schedule-course.chinese {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    box-shadow: 0 3px 12px rgba(239, 68, 68, 0.35);
}

.schedule-course.math {
    background: linear-gradient(135deg, #4a6cf7 0%, #6b8cff 100%);
    box-shadow: 0 3px 12px rgba(74, 108, 247, 0.35);
}

.schedule-course.english {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    box-shadow: 0 3px 12px rgba(16, 185, 129, 0.35);
}

.schedule-course.physics {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    box-shadow: 0 3px 12px rgba(245, 158, 11, 0.35);
}

.schedule-course.chemistry {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    box-shadow: 0 3px 12px rgba(139, 92, 246, 0.35);
}

.schedule-course.biology {
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    box-shadow: 0 3px 12px rgba(6, 182, 212, 0.35);
}

.schedule-course.history {
    background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
    box-shadow: 0 3px 12px rgba(236, 72, 153, 0.35);
}

.schedule-course.geography {
    background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%);
    box-shadow: 0 3px 12px rgba(14, 165, 233, 0.35);
}

.schedule-course.politics {
    background: linear-gradient(135deg, #64748b 0%, #475569 100%);
    box-shadow: 0 3px 12px rgba(100, 116, 139, 0.35);
}

.schedule-course.pe {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    box-shadow: 0 3px 12px rgba(34, 197, 94, 0.35);
}

.schedule-add-btn {
    width: 100%;
    height: 100%;
    min-height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 2px dashed #d0d5dd;
    border-radius: var(--radius-sm);
    color: #90959f;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    gap: 6px;
}

.schedule-add-btn:hover {
    background: #f0f3f7;
    border-color: var(--primary);
    color: var(--primary);
}

.course-delete-btn {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 20px;
    height: 20px;
    background: #ef4444;
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-fast);
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.4);
}

.schedule-course:hover .course-delete-btn {
    opacity: 1;
}

.course-delete-btn:hover {
    background: #dc2626;
}

.schedule-header-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: #fafbfc;
    border-bottom: 1px solid var(--border-color);
}

.schedule-class-name {
    display: flex;
    align-items: center;
    gap: 10px;
}

.schedule-class-name i {
    font-size: 18px;
    color: var(--primary);
}

.schedule-class-name h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.2px;
}

.schedule-selector {
    display: flex;
    align-items: center;
    gap: 12px;
}

.schedule-selector label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.2px;
}

.schedule-selector select {
    padding: 8px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 13px;
    background: white;
    min-width: 160px;
    cursor: pointer;
    line-height: 1.5;
}

.time-label {
    font-size: 10px;
    opacity: 0.7;
    margin-bottom: 4px;
}