/**
 * Reference Picker - 복합 참조 선택 컴포넌트 스타일
 * 디자인: Teal/Blue 그라데이션, Squircle 스타일
 */

:root {
    --rp-teal: #4FD1C5;
    --rp-blue: #4299E1;
    --rp-deep-blue: #003399;
    --rp-gradient: linear-gradient(135deg, var(--rp-teal) 0%, var(--rp-blue) 100%);
}

.reference-picker-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
}

.reference-picker-modal.visible {
    display: flex;
    align-items: center;
    justify-content: center;
}

.reference-picker-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.reference-picker-container {
    position: relative;
    background: var(--bg-color, #fff);
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    width: 90%;
    max-width: 520px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: rp-slide-up 0.3s ease-out;
}

@keyframes rp-slide-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.reference-picker-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--rp-gradient);
    color: white;
}

.reference-picker-header h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.reference-picker-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s;
}

.reference-picker-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.reference-picker-close .material-icons {
    color: white;
    font-size: 20px;
}

.reference-picker-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color, #e0e0e0);
    background: var(--bg-secondary, #f5f5f5);
}

.reference-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 16px;
    border: none;
    background: transparent;
    color: var(--text-secondary, #666);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.reference-tab .material-icons {
    font-size: 18px;
}

.reference-tab:hover {
    color: var(--rp-blue);
    background: rgba(66, 153, 225, 0.1);
}

.reference-tab.active {
    color: var(--rp-deep-blue);
    background: var(--bg-color, #fff);
}

.reference-tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--rp-gradient);
    border-radius: 3px 3px 0 0;
}

.reference-picker-content {
    padding: 16px 20px;
    flex-shrink: 0;
}

.reference-tab-panel {
    display: none;
}

.reference-tab-panel.active {
    display: block;
}

.selector-row {
    display: flex;
    gap: 10px;
    margin-bottom: 12px;
}

.selector-row.range-row {
    align-items: flex-end;
}

.range-group {
    flex: 1;
}

.range-group label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary, #666);
    margin-bottom: 4px;
}

.range-separator {
    font-size: 1.2rem;
    color: var(--text-secondary, #666);
    padding-bottom: 8px;
}

.ref-select,
.ref-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color, #ddd);
    border-radius: 10px;
    font-size: 0.95rem;
    background: var(--bg-color, #fff);
    color: var(--text-color, #333);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.ref-select:focus,
.ref-input:focus {
    outline: none;
    border-color: var(--rp-blue);
    box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.2);
}

.ref-select:disabled,
.ref-input:disabled {
    background: var(--bg-secondary, #f0f0f0);
    opacity: 0.7;
    cursor: not-allowed;
}

.ref-select.small,
.ref-input.small {
    padding: 8px 10px;
}

.selector-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 8px;
}

.add-ref-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    background: var(--rp-gradient);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.1s;
}

.add-ref-btn:hover:not(:disabled) {
    opacity: 0.9;
    transform: translateY(-1px);
}

.add-ref-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.add-ref-btn .material-icons {
    font-size: 18px;
}

.reference-picker-selected {
    flex: 1;
    min-height: 100px;
    max-height: 200px;
    overflow-y: auto;
    padding: 12px 20px;
    background: var(--bg-secondary, #f8f9fa);
    border-top: 1px solid var(--border-color, #e0e0e0);
}

.reference-picker-selected h4 {
    margin: 0 0 10px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary, #666);
    display: flex;
    align-items: center;
    gap: 6px;
}

.reference-picker-selected h4 span {
    color: var(--rp-blue);
}

.selected-refs-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.selected-refs-list .empty-message {
    text-align: center;
    color: var(--text-tertiary, #999);
    font-size: 0.9rem;
    padding: 16px;
    margin: 0;
}

.selected-ref-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg-color, #fff);
    border-radius: 10px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    transition: box-shadow 0.2s;
}

.selected-ref-item:hover {
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
}

.selected-ref-item.canonical {
    border-left: 3px solid var(--rp-blue);
}

.selected-ref-item.ancient {
    border-left: 3px solid var(--rp-teal);
}

.selected-ref-item .ref-icon {
    font-size: 18px;
    color: var(--text-secondary, #666);
}

.selected-ref-item.canonical .ref-icon {
    color: var(--rp-blue);
}

.selected-ref-item.ancient .ref-icon {
    color: var(--rp-teal);
}

.selected-ref-item .ref-text {
    flex: 1;
    font-size: 0.9rem;
    color: var(--text-color, #333);
}

.remove-ref-btn {
    background: none;
    border: none;
    padding: 4px;
    cursor: pointer;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.remove-ref-btn:hover {
    background: rgba(220, 38, 38, 0.1);
}

.remove-ref-btn .material-icons {
    font-size: 16px;
    color: #dc2626;
}

.reference-picker-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 16px 20px;
    border-top: 1px solid var(--border-color, #e0e0e0);
    background: var(--bg-color, #fff);
}

.reference-picker-footer .btn-cancel {
    padding: 10px 20px;
    background: var(--bg-secondary, #f0f0f0);
    color: var(--text-color, #333);
    border: none;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

.reference-picker-footer .btn-cancel:hover {
    background: var(--border-color, #e0e0e0);
}

.reference-picker-footer .btn-save {
    padding: 10px 24px;
    background: var(--rp-gradient);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.1s;
}

.reference-picker-footer .btn-save:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

@media (max-width: 480px) {
    .reference-picker-container {
        width: 95%;
        max-height: 90vh;
        border-radius: 16px;
    }
    
    .reference-tab {
        font-size: 0.85rem;
        padding: 10px 12px;
    }
    
    .reference-tab .material-icons {
        font-size: 16px;
    }
    
    .reference-picker-content {
        padding: 12px 16px;
    }
}

body.night-mode .reference-picker-container {
    background: var(--bg-color, #1a1a2e);
    border: 1px solid var(--border-color, #333);
}

body.night-mode .reference-picker-tabs {
    background: var(--bg-secondary, #16213e);
}

body.night-mode .reference-tab.active {
    background: var(--bg-color, #1a1a2e);
}

body.night-mode .reference-picker-selected {
    background: var(--bg-secondary, #16213e);
}

body.night-mode .selected-ref-item {
    background: var(--bg-color, #1a1a2e);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

body.night-mode .reference-picker-footer {
    background: var(--bg-color, #1a1a2e);
}

body.night-mode .reference-picker-footer .btn-cancel {
    background: var(--bg-secondary, #16213e);
}

/* ===== Simplified Reference Picker Layout (v2) ===== */
.ref-selector-simple {
    padding: 16px 0;
}

.ref-labeled-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
}

.ref-row-label {
    min-width: 45px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-color, #333);
    flex-shrink: 0;
}

.ref-select-full {
    flex: 1;
    padding: 10px 14px;
    font-size: 0.95rem;
    border: 1px solid var(--border-color, #ddd);
    border-radius: 8px;
    background: var(--card-bg, #fff);
    color: var(--text-color, #333);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23666'%3e%3cpath d='M7 10l5 5 5-5z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 20px;
    padding-right: 35px;
}

.ref-select-full:focus {
    outline: none;
    border-color: var(--primary-color, #0F52BA);
    box-shadow: 0 0 0 2px rgba(15, 82, 186, 0.15);
}

.ref-verse-range-row {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.ref-select-verse {
    width: 80px;
    padding: 10px 12px;
    font-size: 0.95rem;
    border: 1px solid var(--border-color, #ddd);
    border-radius: 8px;
    background: var(--card-bg, #fff);
    color: var(--text-color, #333);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23666'%3e%3cpath d='M7 10l5 5 5-5z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 6px center;
    background-size: 18px;
    padding-right: 28px;
    text-align: center;
}

.ref-select-verse:focus {
    outline: none;
    border-color: var(--primary-color, #0F52BA);
    box-shadow: 0 0 0 2px rgba(15, 82, 186, 0.15);
}

.ref-verse-sep {
    color: var(--text-sub, #666);
    font-size: 1rem;
    flex-shrink: 0;
}

/* Night mode for simplified picker */
body.night-mode .ref-select-full,
body.night-mode .ref-select-verse {
    background-color: var(--card-bg, #1e1e1e);
    border-color: var(--border-color, #444);
    color: var(--text-color, #e0e0e0);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23999'%3e%3cpath d='M7 10l5 5 5-5z'/%3e%3c/svg%3e");
}

body.night-mode .ref-row-label {
    color: var(--text-color, #e0e0e0);
}

body.night-mode .ref-verse-sep {
    color: var(--text-sub, #999);
}

/* Mobile responsive */
@media (max-width: 480px) {
    .ref-labeled-row {
        padding: 8px 0;
    }
    
    .ref-row-label {
        min-width: 40px;
        font-size: 0.9rem;
    }
    
    .ref-select-full {
        padding: 10px 12px;
        font-size: 0.9rem;
    }
    
    .ref-select-verse {
        width: 70px;
        padding: 10px 8px;
        font-size: 0.9rem;
    }
}