/* Study Planner Specific Styles */
.plan-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    transition: 0.3s;
    backdrop-filter: blur(10px);
}

.plan-card:hover {
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.plan-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 10px;
}

.plan-stats {
    display: flex;
    gap: 15px;
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-bottom: 15px;
}

.plan-stat-item {
    background: rgba(255,255,255,0.05);
    padding: 5px 10px;
    border-radius: 6px;
    border: 1px solid var(--glass-border);
}

.plan-progress-container {
    width: 100%;
    background: rgba(0,0,0,0.3);
    border-radius: 10px;
    height: 8px;
    margin-bottom: 15px;
    overflow: hidden;
}

.plan-progress-bar {
    height: 100%;
    background: var(--primary);
    border-radius: 10px;
    transition: width 0.3s ease;
}

.btn-new-lesson {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
    width: 100%;
    font-size: 1rem;
}

.btn-new-lesson:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.4);
}

/* Answer/Parameter Box */
.answer-box {
    background: rgba(0,0,0,0.2);
    border-top: 1px solid var(--glass-border);
    padding: 15px 20px;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.param-badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 6px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-dim);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.answer-text-area {
    margin-top: 15px;
    font-size: 0.95rem;
    color: var(--text-main);
    line-height: 1.6;
    padding: 12px;
    background: rgba(255,255,255,0.02);
    border-radius: 8px;
    border-left: 3px solid var(--primary);
}

.study-room-group-label {
    text-align: center;
    margin: 30px 0 15px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.study-room-group-label::before, .study-room-group-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--glass-border), transparent);
}

.group-label-text {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim);
    background: rgba(255,255,255,0.05);
    padding: 4px 15px;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
}