* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg-color: #fafbfc;
    --card-bg: white;
    --text-primary: #2d3748;
    --text-secondary: #718096;
    --text-tertiary: #a0aec0;
    --border-color: #e2e8f0;
    --accent-gradient: linear-gradient(135deg, #667eea, #764ba2);
    --success-color: #48bb78;
    --warning-color: #ed8936;
    --error-color: #f56565;
    --shadow: 0 4px 15px rgba(0,0,0,0.08);
}

[data-theme="dark"] {
    --bg-color: #1a202c;
    --card-bg: #2d3748;
    --text-primary: #f7fafc;
    --text-secondary: #a0aec0;
    --text-tertiary: #718096;
    --border-color: #4a5568;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-color);
    min-height: 100vh;
    padding: 15px;
    line-height: 1.4;
    transition: all 0.3s ease;
}

.container {
    max-width: 2000px;
    margin: 0 auto;
}

.header {
    margin-bottom: 25px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.title-section {
    text-align: center;
    flex: 1;
}

.theme-toggle-container {
    flex-shrink: 0;
    display: flex;
    gap: 8px;
}

.main-title {
    font-size: 2.6rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 20px;
    font-family: 'Nunito', 'Helvetica Neue', -apple-system, BlinkMacSystemFont, Arial, sans-serif;
    letter-spacing: -0.02em;
}

.neurophet-logo {
    height: 65px;
    width: auto;
    margin-right: 8px;
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    justify-content: center;
    margin-top: 14px;
}

.controls {
    margin: 30px 0;
}

.search-section {
    display: flex;
    justify-content: center;
    margin-bottom: 25px;
    width: 100%;
    padding: 0 20px;
}

.search-container {
    display: flex;
    justify-content: center;
    width: 100%;
    max-width: none;
}

.search-input {
    width: 100%;
    max-width: 336px;
    padding: 13px 18px 13px 39px;
    border: 3px solid var(--border-color);
    border-radius: 35px;
    font-size: 0.805rem;
    outline: none;
    transition: all 0.3s ease;
    background: var(--card-bg);
    color: var(--text-primary);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    min-height: 35px;
}

.search-wrapper {
    position: relative;
    width: 100%;
    max-width: 550px;
    left: 12px;
}

.search-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    font-size: 15px;
    pointer-events: none;
}

.search-input:focus {
    border-color: #4299e1;
    box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.1);
}

.btn {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
}

.btn-secondary {
    background: var(--card-bg);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.category-section {
    margin-bottom: 25px;
}

.section-divider {
    height: 1px;
    background: var(--border-color);
    opacity: 0.8;
    margin: 20px 0 24px;
}

.category-header {
    margin-bottom: 12px;
}

.category-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    padding: 8px 12px;
    position: relative;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.category-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 14px;
    background: var(--accent-gradient);
    border-radius: 2px;
}




.tiles-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 12px;
}

.tile {
    background: var(--card-bg);
    border-radius: 10px;
    padding: 16px 14px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    min-height: 95px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.tile.dragging {
    opacity: 0.5;
    transform: rotate(5deg);
    cursor: grabbing;
}

.tile.drag-over {
    border-color: #4299e1;
    background: rgba(66, 153, 225, 0.1);
}

.tile:hover {
    cursor: grab;
}

.tile:active {
    cursor: grabbing;
}

.tile-favorite-indicator {
    position: absolute;
    top: 6px;
    left: 6px;
    font-size: 21px;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.tile-favorite-indicator.favorite {
    color: #fbbf24;
    filter: drop-shadow(0 1px 2px rgba(0,0,0,0.3));
}

.tile-favorite-indicator.not-favorite {
    color: #d1d5db;
    opacity: 0.7;
}

.tile-favorite-indicator:hover {
    transform: scale(1.2);
    opacity: 1;
}

.tile-internal-indicator {
    position: absolute;
    top: 6px;
    right: 6px;
    font-size: 0.6rem;
    background: var(--text-tertiary);
    color: white;
    padding: 1px 3px;
    border-radius: 2px;
    font-weight: 400;
    opacity: 0.8;
    z-index: 10;
}

.tile::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.tile:hover::before {
    transform: scaleX(1);
}

.tile:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
    border-color: transparent;
}


.tile-icon {
    font-size: 1.6rem;
    margin-bottom: 6px;
    display: block;
    transition: all 0.3s ease;
}

.tile:hover .tile-icon {
    transform: scale(1.05);
}

.tile-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 3px;
    line-height: 1.1;
}

.tile-description {
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
    line-height: 1.2;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tile-url {
    font-size: 0.65rem;
    color: var(--text-tertiary);
    font-family: 'Monaco', 'Consolas', monospace;
    background: var(--bg-color);
    padding: 2px 4px;
    border-radius: 3px;
    word-break: break-all;
}

.tile-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
    margin-top: 4px;
    justify-content: center;
}

.tag {
    background: rgba(66, 153, 225, 0.1);
    color: #4299e1;
    font-size: 0.6rem;
    padding: 1px 4px;
    border-radius: 8px;
    border: 1px solid rgba(66, 153, 225, 0.2);
    font-weight: 500;
    line-height: 1.2;
}

[data-theme="dark"] .tag {
    background: rgba(66, 153, 225, 0.15);
    color: #90cdf4;
    border-color: rgba(66, 153, 225, 0.3);
}


.theme-toggle {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 2000;
    backdrop-filter: blur(5px);
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--card-bg);
    border-radius: 16px;
    padding: 25px;
    width: 90%;
    max-width: 450px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
}

.close-btn {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--text-tertiary);
    width: 26px;
    height: 26px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-btn:hover {
    background: var(--border-color);
}

.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    margin-bottom: 4px;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9rem;
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 10px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-color);
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    transition: all 0.3s ease;
}

/* 패스워드 입력창만 별도 크기 조정 */
#adminPassword {
    max-width: 300px;
    margin: 0 auto;
}

/* 설정 모달 크기 조정 */
#settingsModalContent {
    max-width: 350px;
    transition: max-width 0.3s ease;
}

/* 서비스 관리 섹션이 보일 때 모달 크기 확장 */
#settingsModalContent.expanded {
    max-width: 700px;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: #4299e1;
}

.form-textarea {
    resize: vertical;
    min-height: 70px;
}

.hidden {
    display: none !important;
}

.service-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 8px;
    background: var(--bg-color);
    transition: all 0.3s ease;
}

.service-item:hover {
    border-color: var(--text-tertiary);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.service-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.service-icon {
    font-size: 1.5rem;
    min-width: 30px;
    text-align: center;
}

.service-details {
    flex: 1;
}

.service-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.service-description {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 2px;
}

.service-url {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-family: 'Monaco', 'Consolas', monospace;
}

.service-actions {
    display: flex;
    gap: 6px;
}

.btn-small {
    padding: 4px 8px;
    font-size: 0.75rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-edit {
    background: #4299e1;
    color: white;
}

.btn-edit:hover {
    background: #3182ce;
}

.btn-delete {
    background: #f56565;
    color: white;
}

.btn-delete:hover {
    background: #e53e3e;
}

.no-results {
    text-align: center;
    padding: 30px;
    color: var(--text-secondary);
    grid-column: 1 / -1;
}

.no-results-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

    .title-section {
        order: 1;
    }

    .theme-toggle-container {
        order: 0;
        align-self: flex-end;
    }

    .tiles-container {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    }

    .main-title {
        font-size: 1.8rem;
    }

    .neurophet-logo {
        height: 28px;
    }

    .logo-container {
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .tiles-container {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .tile {
        min-height: 85px;
        padding: 12px 10px;
    }

    .tile-icon {
        font-size: 1.4rem;
    }

    .tile-name {
        font-size: 0.9rem;
    }

    .tile-description {
        font-size: 0.65rem;
    }
}