/* transfer-modal.css - Premium Copy/Move UI */

.transfer-modal-overlay {
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 90000000;
}

.transfer-card {
    background: var(--bg-surface-solid);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    padding: 32px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: transferPop 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes transferPop {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.transfer-card h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 8px;
    text-align: center;
    background: linear-gradient(135deg, var(--text-main) 0%, var(--text-muted) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.transfer-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-align: center;
    margin-bottom: 24px;
}

/* Sections */
.transfer-section-title {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary);
    margin: 20px 0 10px;
    display: block;
}

/* Class List */
.transfer-class-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 12px;
    max-height: 200px;
    overflow-y: auto;
    padding: 4px;
}

.transfer-item {
    background: var(--bg-item);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    padding: 12px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-main);
}

.transfer-item i {
    font-size: 1.2rem;
    color: var(--text-muted);
}

.transfer-item:hover {
    background: var(--bg-item-hover);
    transform: translateY(-2px);
    border-color: var(--primary);
}

.transfer-item.active {
    background: rgba(var(--p-h), 90%, 60%, 0.15);
    border-color: var(--primary);
    box-shadow: 0 0 15px rgba(var(--p-h), 90%, 60%, 0.2);
}

.transfer-item.active i {
    color: var(--primary);
}

/* Chapter List */
.transfer-chapter-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.transfer-ch-item {
    background: var(--bg-item);
    border: 1px solid var(--border-glass);
    border-radius: 8px;
    padding: 8px 14px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-muted);
}

.transfer-ch-item:hover {
    background: var(--bg-item-hover);
    color: var(--text-main);
}

.transfer-ch-item.active {
    background: var(--primary);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 10px rgba(var(--p-h), 90%, 60%, 0.3);
}

/* Input Field */
.transfer-new-chapter input {
    width: 100%;
    padding: 12px 16px;
    border-radius: 12px;
    background: var(--bg-item);
    border: 1px solid var(--border-glass);
    color: var(--text-main);
    font-family: inherit;
    outline: none;
    transition: all 0.2s;
}

.transfer-new-chapter input:focus {
    border-color: var(--primary);
    background: var(--bg-surface-solid);
    box-shadow: 0 0 0 3px rgba(var(--p-h), 90%, 60%, 0.1);
}

/* Custom Scrollbar */
.transfer-class-list::-webkit-scrollbar {
    width: 4px;
}

.transfer-class-list::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: 10px;
}