/* Create Session Page Styles */

.create-session-container {
    padding: var(--spacing-2xl) 0;
    max-width: 800px;
    margin: 0 auto;
}

.form-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    animation: slideInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-section {
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-light);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.section-title::before {
    content: '';
    width: 4px;
    height: 18px;
    background: var(--primary-color);
    border-radius: 2px;
}

/* Input Styles */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.8rem 1rem;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 0 4px rgba(255, 107, 107, 0.1);
}

/* Grid for Form */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

/* Radio Buttons Group */
.type-selector {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.type-option {
    cursor: pointer;
    position: relative;
}

.type-option input {
    display: none;
}

.type-content {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 120px;
}

.type-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.1), rgba(255, 107, 107, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.type-content:hover {
    border-color: var(--primary-light);
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(255, 107, 107, 0.2);
}

.type-content:hover::before {
    opacity: 1;
}

.type-option input:checked + .type-content {
    background: rgba(255, 107, 107, 0.15);
    border-color: var(--primary-color);
    border-width: 3px;
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 15px 30px rgba(255, 107, 107, 0.3);
}

.type-option input:checked + .type-content::before {
    opacity: 1;
}

.type-option input:checked + .type-content::after {
    content: '✓';
    position: absolute;
    top: 8px;
    right: 8px;
    width: 24px;
    height: 24px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
    animation: checkmark 0.3s ease;
}

@keyframes checkmark {
    0% { transform: scale(0) rotate(0deg); }
    50% { transform: scale(1.2) rotate(180deg); }
    100% { transform: scale(1) rotate(360deg); }
}

.type-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease;
}

.type-option:hover .type-icon {
    transform: scale(1.1) rotate(5deg);
}

.type-option input:checked + .type-content .type-icon {
    transform: scale(1.15);
    animation: bounce 0.5s ease;
}

@keyframes bounce {
    0%, 100% { transform: scale(1.15); }
    50% { transform: scale(1.25); }
}

.type-label {
    display: block;
    font-weight: 700;
    font-size: 1rem;
    position: relative;
    z-index: 1;
    color: var(--text-primary);
}

/* Submit Area */
.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

@keyframes slideInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 768px) {
    .create-session-container {
        padding: var(--spacing-md);
    }
    .form-card {
        padding: var(--spacing-xl);
    }
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    /* 모임 유형 선택 모바일 */
    .type-selector {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .type-content {
        min-height: 100px;
        padding: var(--spacing-md);
    }
    
    .type-icon {
        font-size: 2rem;
    }
    
    .type-label {
        font-size: 0.95rem;
    }
}