/**
 * PixelEditor3 CSS - 완전히 새로운 모던 디자인
 * 깔끔하고 직관적인 UI
 */

/* === 모달 오버레이 === */
.pixel-editor-3 {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pixel-editor-3.hidden {
    display: none;
}

.pixel-editor-3-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
}

/* === 메인 콘텐츠 === */
.pixel-editor-3-content {
    position: relative;
    width: 95%;
    max-width: 1600px;
    height: 90vh;
    max-height: 900px;
    background: #1a1a2e;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 2px solid rgba(78, 205, 196, 0.3);
}

/* === 헤더 === */
.pixel-editor-3-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: linear-gradient(135deg, rgba(78, 205, 196, 0.1), rgba(78, 205, 196, 0.05));
    border-bottom: 1px solid rgba(78, 205, 196, 0.2);
}

.pixel-editor-3-header-left {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.pixel-editor-3-header h2 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: #4ecdc4;
}

.pixel-editor-3-territory-info {
    font-size: 12px;
    color: #aaa;
}

.pixel-editor-3-territory-info .territory-name {
    color: #fff;
    font-weight: 500;
}

.pixel-editor-3-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.pixel-editor-3-btn {
    padding: 8px 16px;
    background: rgba(78, 205, 196, 0.1);
    border: 1px solid rgba(78, 205, 196, 0.3);
    border-radius: 8px;
    color: #fff;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}

.pixel-editor-3-btn:hover {
    background: rgba(78, 205, 196, 0.2);
    border-color: #4ecdc4;
    transform: translateY(-1px);
}

.pixel-editor-3-btn-primary {
    background: #4ecdc4;
    border-color: #4ecdc4;
    color: #0a0a1a;
    font-weight: 600;
}

.pixel-editor-3-btn-primary:hover {
    background: #45b8b0;
    border-color: #45b8b0;
}

.pixel-editor-3-btn-save {
    background: rgba(0, 184, 148, 0.2);
    border-color: rgba(0, 184, 148, 0.4);
    color: #00b894;
    font-weight: 600;
}

.pixel-editor-3-btn-save:hover {
    background: rgba(0, 184, 148, 0.3);
    border-color: #00b894;
}

.pixel-editor-3-save-status {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: rgba(78, 205, 196, 0.1);
    border-radius: 8px;
    font-size: 13px;
    color: #4ecdc4;
}

.pixel-editor-3-close {
    width: 36px;
    height: 36px;
    background: rgba(255, 107, 107, 0.1);
    border: 1px solid rgba(255, 107, 107, 0.3);
    border-radius: 8px;
    color: #ff6b6b;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    line-height: 1;
}

.pixel-editor-3-close:hover {
    background: rgba(255, 107, 107, 0.2);
    border-color: #ff6b6b;
    transform: rotate(90deg);
}

/* === 본문 === */
.pixel-editor-3-body {
    display: grid;
    grid-template-columns: 220px 1fr 200px;
    gap: 16px;
    padding: 20px;
    flex: 1;
    overflow: hidden;
}

/* === 사이드바 === */
.pixel-editor-3-sidebar {
    display: flex;
    flex-direction: column;
    gap: 16px;
    overflow-y: auto;
    padding-right: 8px;
}

.pixel-editor-3-sidebar::-webkit-scrollbar {
    width: 6px;
}

.pixel-editor-3-sidebar::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 3px;
}

.pixel-editor-3-sidebar::-webkit-scrollbar-thumb {
    background: rgba(78, 205, 196, 0.3);
    border-radius: 3px;
}

.pixel-editor-3-sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(78, 205, 196, 0.5);
}

.pixel-editor-3-section {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 12px;
    padding: 16px;
    border: 1px solid rgba(78, 205, 196, 0.1);
}

.pixel-editor-3-section h3 {
    margin: 0 0 12px 0;
    font-size: 14px;
    font-weight: 600;
    color: #4ecdc4;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* === 도구 그리드 === */
.pixel-editor-3-tool-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.pixel-editor-3-tool-hint {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid rgba(78, 205, 196, 0.1);
    text-align: center;
}

.pixel-editor-3-tool-hint small {
    color: #888;
    font-size: 10px;
}

.pixel-editor-3-tool-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 12px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(78, 205, 196, 0.2);
    border-radius: 8px;
    color: #ccc;
    cursor: pointer;
    transition: all 0.2s;
}

.pixel-editor-3-tool-btn:hover {
    background: rgba(78, 205, 196, 0.1);
    border-color: #4ecdc4;
    color: #fff;
}

.pixel-editor-3-tool-btn.active {
    background: rgba(78, 205, 196, 0.2);
    border-color: #4ecdc4;
    color: #4ecdc4;
}

.pixel-editor-3-tool-btn .tool-icon {
    font-size: 20px;
}

.pixel-editor-3-tool-btn span:not(.tool-icon) {
    font-size: 11px;
}

/* === 브러시 크기 === */
.pixel-editor-3-brush-control {
    display: flex;
    align-items: center;
    gap: 12px;
}

.pixel-editor-3-brush-control input[type="range"] {
    flex: 1;
    height: 4px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 2px;
    appearance: none;
    cursor: pointer;
}

.pixel-editor-3-brush-control input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 16px;
    height: 16px;
    background: #4ecdc4;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.pixel-editor-3-brush-control input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: #4ecdc4;
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

#pixel-brush-size-value-3 {
    font-size: 13px;
    color: #4ecdc4;
    font-weight: 600;
    min-width: 40px;
    text-align: right;
}

/* === 색상 피커 === */
.pixel-editor-3-color-picker {
    display: flex;
    gap: 12px;
    align-items: center;
}

.pixel-editor-3-color-preview {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    border: 2px solid #fff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    cursor: pointer;
}

#pixel-color-input-3 {
    flex: 1;
    height: 60px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    background: transparent;
}

/* === 팔레트 === */
.pixel-editor-3-palette {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
}

.pixel-editor-3-palette-hint {
    margin-top: 8px;
    text-align: center;
}

.pixel-editor-3-palette-hint small {
    color: #888;
    font-size: 10px;
}

.pixel-editor-3-palette-color {
    aspect-ratio: 1;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    border: 2px solid transparent;
}

.pixel-editor-3-palette-color:hover {
    transform: scale(1.15);
    border-color: #fff;
    z-index: 1;
    position: relative;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
}

/* === 메인 캔버스 영역 === */
.pixel-editor-3-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 12px;
    padding: 20px;
    overflow: hidden;
}

.pixel-editor-3-canvas-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 8px;
    padding: 16px;
    box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.5);
    position: relative;
}

#pixel-canvas-3 {
    display: block;
    cursor: crosshair;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    border-radius: 4px;
    transition: transform 0.1s ease-out;
}

/* === 줌 컨트롤 === */
.pixel-editor-3-zoom-controls {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: rgba(0, 0, 0, 0.8);
    border-radius: 8px;
    padding: 12px;
    border: 1px solid rgba(78, 205, 196, 0.3);
    z-index: 10;
}

.pixel-editor-3-zoom-btn {
    width: 36px;
    height: 36px;
    background: rgba(78, 205, 196, 0.1);
    border: 1px solid rgba(78, 205, 196, 0.3);
    border-radius: 6px;
    color: #4ecdc4;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.pixel-editor-3-zoom-btn:hover {
    background: rgba(78, 205, 196, 0.2);
    border-color: #4ecdc4;
    transform: scale(1.1);
}

.pixel-editor-3-zoom-display {
    width: 36px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    color: #4ecdc4;
    font-weight: 600;
    background: rgba(78, 205, 196, 0.05);
    border-radius: 4px;
}

.pixel-editor-3-zoom-hint {
    font-size: 9px;
    color: #888;
    text-align: center;
    margin-top: 4px;
    padding-top: 8px;
    border-top: 1px solid rgba(78, 205, 196, 0.2);
}

.pixel-editor-3-canvas-info {
    display: flex;
    justify-content: space-between;
    width: 100%;
    margin-top: 12px;
    padding: 8px 12px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 6px;
    font-size: 12px;
    color: #aaa;
}

/* === 통계 === */
.pixel-editor-3-stat-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.pixel-editor-3-stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 6px;
    font-size: 13px;
}

.pixel-editor-3-stat-item span:first-child {
    color: #aaa;
}

.pixel-editor-3-stat-item span:last-child {
    color: #4ecdc4;
    font-weight: 600;
    font-size: 15px;
}

/* === 반응형 === */
@media (max-width: 1400px) {
    .pixel-editor-3-body {
        grid-template-columns: 180px 1fr 160px;
    }
}

@media (max-width: 1200px) {
    .pixel-editor-3-body {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr auto;
    }
    
    .pixel-editor-3-sidebar {
        max-height: 200px;
        overflow-x: auto;
        overflow-y: auto;
        flex-direction: row;
    }
    
    .pixel-editor-3-section {
        min-width: 200px;
    }
}

/* === 로딩 오버레이 === */
.pixel-editor-3-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    gap: 20px;
}

.pixel-editor-3-loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(78, 205, 196, 0.2);
    border-top-color: #4ecdc4;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.pixel-editor-3-loading-overlay p {
    color: #fff;
    font-size: 16px;
    margin: 0;
}

/* === 저장 상태 개선 === */
.pixel-editor-3-save-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 13px;
    transition: all 0.3s;
}

.pixel-editor-3-save-status.saving {
    background: rgba(78, 205, 196, 0.15);
    color: #4ecdc4;
}

.pixel-editor-3-save-status.saved {
    background: rgba(0, 184, 148, 0.15);
    color: #00b894;
}

.pixel-editor-3-save-status.error {
    background: rgba(255, 107, 107, 0.15);
    color: #ff6b6b;
    animation: shake 0.5s;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* === 단축키 모달 === */
.pixel-shortcuts-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10001;
    animation: fadeIn 0.2s ease;
}

.pixel-shortcuts-content {
    background: #1a1a2e;
    border-radius: 16px;
    padding: 24px;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    border: 2px solid rgba(78, 205, 196, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.pixel-shortcuts-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(78, 205, 196, 0.2);
}

.pixel-shortcuts-header h3 {
    margin: 0;
    font-size: 20px;
    color: #4ecdc4;
}

.pixel-shortcuts-close {
    background: none;
    border: none;
    color: #fff;
    font-size: 28px;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s;
}

.pixel-shortcuts-close:hover {
    background: rgba(255, 255, 255, 0.1);
}

.pixel-shortcuts-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.shortcut-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: rgba(78, 205, 196, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(78, 205, 196, 0.1);
}

.shortcut-keys {
    display: flex;
    gap: 4px;
    align-items: center;
}

.shortcut-keys kbd {
    background: #0a0a1a;
    border: 1px solid rgba(78, 205, 196, 0.3);
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 12px;
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
    color: #4ecdc4;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.shortcut-desc {
    color: #fff;
    font-size: 14px;
    text-align: right;
}

@media (max-width: 768px) {
    .pixel-editor-3-content {
        width: 100%;
        height: 100%;
        max-height: 100%;
        border-radius: 0;
    }
    
    .pixel-editor-3-header h2 {
        font-size: 18px;
    }
    
    .pixel-editor-3-actions {
        gap: 6px;
    }
    
    .pixel-editor-3-btn {
        padding: 6px 12px;
        font-size: 12px;
    }
    
    .pixel-shortcuts-content {
        padding: 20px;
        max-height: 90vh;
    }
    
    .shortcut-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .shortcut-desc {
        text-align: left;
    }
}