/**
 * 키보드 단축키 패널 스타일
 * 경로: frontend/css/keyboard-shortcuts.css
 */

/* ========== 모달 오버레이 ========== */
.kb-modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(2px);
}

.kb-modal-overlay.active {
    display: flex;
}

/* ========== 모달 ========== */
.kb-modal {
    background: var(--bg-primary, #ffffff);
    border-radius: 12px;
    width: 90%;
    max-width: 560px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: kb-modal-in 0.2s ease-out;
}

@keyframes kb-modal-in {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(-10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* ========== 헤더 ========== */
.kb-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color, #e5e5e5);
    flex-shrink: 0;
}

.kb-modal-header h2 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary, #1a1a1a);
}

.kb-modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-secondary, #666);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: background 0.15s, color 0.15s;
}

.kb-modal-close:hover {
    background: var(--bg-hover, #f0f0f0);
    color: var(--text-primary, #1a1a1a);
}

/* ========== 바디 ========== */
.kb-modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px 20px;
}

/* ========== 섹션 ========== */
.kb-section {
    margin-bottom: 20px;
}

.kb-section:last-child {
    margin-bottom: 0;
}

.kb-section-title {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary, #999);
    margin: 0 0 10px 0;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border-color, #e5e5e5);
}

/* ========== 단축키 목록 ========== */
.kb-shortcuts-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.kb-shortcut-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: var(--bg-secondary, #f9f9f9);
    border-radius: 8px;
}

/* ========== 키 표시 ========== */
.kb-keys {
    display: flex;
    align-items: center;
    gap: 4px;
}

.kb-key {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 26px;
    padding: 0 8px;
    background: var(--bg-primary, #ffffff);
    border: 1px solid var(--border-color, #ddd);
    border-bottom-width: 2px;
    border-radius: 6px;
    font-family: system-ui, -apple-system, sans-serif;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-primary, #1a1a1a);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.kb-plus {
    font-size: 12px;
    color: var(--text-secondary, #999);
    margin: 0 2px;
}

/* ========== 설명 ========== */
.kb-description {
    font-size: 14px;
    color: var(--text-primary, #1a1a1a);
}

/* ========== 푸터 ========== */
.kb-modal-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--border-color, #e5e5e5);
    flex-shrink: 0;
}

.kb-hint {
    font-size: 12px;
    color: var(--text-secondary, #999);
}

/* ========== 다크 모드 ========== */
[data-theme="dark"] .kb-modal {
    background: #1e1e1e;
}

[data-theme="dark"] .kb-modal-header,
[data-theme="dark"] .kb-modal-footer,
[data-theme="dark"] .kb-section-title {
    border-color: #333;
}

[data-theme="dark"] .kb-shortcut-item {
    background: #2a2a2a;
}

[data-theme="dark"] .kb-key {
    background: #333;
    border-color: #444;
    color: #e5e5e5;
}

/* ========== 반응형 ========== */
@media (max-width: 480px) {
    .kb-modal {
        width: 95%;
        max-height: 85vh;
    }
    
    .kb-shortcut-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }
    
    .kb-description {
        font-size: 13px;
    }
}

/* ========== 스크롤바 ========== */
.kb-modal-body::-webkit-scrollbar {
    width: 6px;
}

.kb-modal-body::-webkit-scrollbar-track {
    background: transparent;
}

.kb-modal-body::-webkit-scrollbar-thumb {
    background: var(--border-color, #ddd);
    border-radius: 3px;
}

.kb-modal-body::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary, #999);
}

[data-theme="dark"] .kb-modal-body::-webkit-scrollbar-thumb {
    background: #444;
}