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

:root {
    --bg-primary: #0f0f1e;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --bg-card: #1e1e3f;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --text-muted: #707070;
    --accent-blue: #4a9eff;
    --accent-green: #4ade80;
    --accent-yellow: #fbbf24;
    --accent-red: #f87171;
    --accent-purple: #a78bfa;
    --border-color: #2a2a4a;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'SF Pro Display', 'Helvetica Neue', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
}

/* 顶部导航栏 */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    z-index: 100;
    min-height: 56px;
}

.header-left {
    display: flex;
    align-items: center;
    flex: 0 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--accent-blue);
}

.logo-icon {
    font-size: 28px;
}

.header-center {
    flex: 1;
    display: flex;
    justify-content: center;
    padding: 0 24px;
}

.search-filter-container {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    max-width: 800px;
    position: relative;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 200px;
}

.search-input {
    width: 100%;
    padding: 10px 120px 10px 40px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 13px;
    transition: all 0.3s ease;
    height: 36px;
}

.search-input:not(:placeholder-shown) {
    padding-right: 16px;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(74, 158, 255, 0.1);
}

.search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    pointer-events: none;
    color: var(--text-secondary);
}

.search-hints {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    gap: 8px;
    align-items: center;
    pointer-events: none;
    opacity: 0.6;
}

.hint-item {
    font-size: 11px;
    color: var(--text-secondary);
    padding: 2px 6px;
    background: rgba(74, 158, 255, 0.1);
    border-radius: 4px;
    white-space: nowrap;
}

.search-input:focus + .search-icon + .search-hints {
    opacity: 0.3;
}

.search-input:not(:placeholder-shown) + .search-icon + .search-hints {
    display: none;
}

.filter-buttons {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

.filter-btn-wrapper {
    position: relative;
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease;
    height: 36px;
    white-space: nowrap;
}

.filter-btn:hover {
    background: var(--bg-card);
    border-color: var(--accent-blue);
}

.filter-btn.active {
    background: var(--bg-card);
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(74, 158, 255, 0.1);
}

.filter-icon {
    font-size: 14px;
}

.filter-text {
    font-size: 13px;
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.filter-arrow {
    font-size: 10px;
    color: var(--text-secondary);
    transition: transform 0.2s ease;
}

.filter-btn.active .filter-arrow {
    transform: rotate(180deg);
}

.filter-btn.active-filter {
    background: var(--bg-card);
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(74, 158, 255, 0.1);
}

.filter-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    display: none;
    max-height: 400px;
    overflow-y: auto;
    min-width: 200px;
    max-width: 300px;
}

.filter-dropdown.show {
    display: block;
}

.filter-dropdown-content {
    padding: 8px 0;
}

.filter-option {
    display: flex;
    align-items: center;
    padding: 8px 16px;
    cursor: pointer;
    transition: background 0.2s ease;
    gap: 10px;
}

.filter-option:hover {
    background: var(--bg-tertiary);
}

.filter-option input[type="radio"] {
    margin: 0;
    cursor: pointer;
}

.filter-option span:not(.level-badge) {
    flex: 1;
    font-size: 13px;
    color: var(--text-primary);
}

.filter-divider {
    height: 1px;
    background: var(--border-color);
    margin: 4px 0;
}

.filter-input-group {
    display: flex;
    gap: 8px;
    padding: 8px 16px;
    align-items: center;
}

.filter-input {
    flex: 1;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 13px;
    transition: all 0.2s ease;
}

.filter-input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(74, 158, 255, 0.1);
}

.filter-apply-btn {
    padding: 8px 16px;
    background: var(--accent-blue);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.filter-apply-btn:hover {
    background: #3a8eff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.filter-clear-btn {
    width: 100%;
    padding: 8px 16px;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease;
    margin: 0 8px;
}

.filter-clear-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--accent-red);
}

.filter-radio-group {
    display: flex;
    flex-direction: column;
}

.level-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.level-badge.level-info {
    background: rgba(74, 158, 255, 0.2);
    color: var(--accent-blue);
}

.level-badge.level-warn {
    background: rgba(251, 191, 36, 0.2);
    color: var(--accent-yellow);
}

.level-badge.level-error {
    background: rgba(248, 113, 113, 0.2);
    color: var(--accent-red);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 0 0 auto;
}

.stats-bar {
    display: flex;
    gap: 12px;
    align-items: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px 16px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    min-width: 60px;
    transition: all 0.2s ease;
}

.stat-item.clickable {
    cursor: pointer;
}

.stat-item.clickable:hover {
    background: var(--bg-card);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.stat-item.clickable.active {
    background: var(--bg-card);
    border: 1px solid var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(74, 158, 255, 0.2);
}

.stat-label {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 18px;
    font-weight: 700;
    margin-top: 2px;
}

.stat-info .stat-value {
    color: var(--accent-blue);
}

.stat-warn .stat-value {
    color: var(--accent-yellow);
}

.stat-error .stat-value {
    color: var(--accent-red);
}

.btn-clear {
    padding: 10px 20px;
    background: var(--accent-red);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-clear:hover {
    background: #ef4444;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* 主内容区 */
.main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
    height: calc(100vh - 70px);
}

/* 左侧筛选栏 */
.sidebar {
    width: 240px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 12px;
    overflow-y: auto;
    flex-shrink: 0;
}

.filter-section {
    margin-bottom: 20px;
}

.filter-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}

.filter-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.filter-item {
    display: flex;
    align-items: center;
    padding: 6px 10px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
}

.filter-item:hover {
    background: var(--bg-card);
}

.filter-item input[type="radio"] {
    margin-right: 10px;
    cursor: pointer;
    accent-color: var(--accent-blue);
}

.filter-item span:not(.type-count) {
    flex: 1;
    font-size: 14px;
    color: var(--text-primary);
}

.filter-item .type-count {
    font-size: 11px;
    color: var(--text-secondary);
    margin-left: 6px;
    font-weight: 500;
    flex-shrink: 0;
    opacity: 0.8;
}

/* 类型分类标题 */
.type-category-header {
    display: flex;
    align-items: center;
    padding: 10px 12px;
    margin-top: 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 600;
    font-size: 13px;
    color: var(--text-primary);
}

.type-category-header:hover {
    background: var(--bg-card);
    border-color: var(--accent-blue);
}

.type-category-header:first-of-type {
    margin-top: 0;
}

.category-toggle {
    display: inline-block;
    width: 16px;
    text-align: center;
    margin-right: 8px;
    font-size: 10px;
    color: var(--text-secondary);
    transition: transform 0.2s ease;
}

.category-name {
    flex: 1;
}

.category-count {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 12px;
    margin-left: 6px;
}

/* 分类下的类型列表 */
.type-category-items {
    margin-left: 8px;
    margin-top: 4px;
    padding-left: 8px;
    border-left: 2px solid var(--border-color);
}

.filter-info input[type="radio"]:checked + span {
    color: var(--accent-blue);
}

.filter-warn input[type="radio"]:checked + span {
    color: var(--accent-yellow);
}

.filter-error input[type="radio"]:checked + span {
    color: var(--accent-red);
}

/* 日志列表区 */
.logs-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--bg-primary);
}

.logs-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.logs-info {
    font-size: 14px;
    color: var(--text-secondary);
}

.logs-info strong {
    color: var(--accent-blue);
    font-weight: 700;
}

.logs-controls {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-refresh {
    padding: 8px 16px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-refresh:hover {
    background: var(--bg-card);
    border-color: var(--accent-blue);
}

.auto-refresh {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
    cursor: pointer;
}

.auto-refresh input[type="checkbox"] {
    accent-color: var(--accent-blue);
    cursor: pointer;
}

.logs-list {
    flex: 1;
    overflow-y: auto;
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.logs-list::-webkit-scrollbar {
    width: 8px;
}

.logs-list::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.logs-list::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

.logs-list::-webkit-scrollbar-thumb:hover {
    background: var(--border-color);
}

/* 日志项 */
.log-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--border-color);
    border-radius: 6px;
    padding: 9px 12px;
    transition: all 0.2s ease;
    cursor: pointer;
}

.log-item:hover {
    border-color: var(--accent-blue);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

/* 根据级别改变日志项颜色 */
.log-item.log-level-info {
    border-left-color: var(--accent-blue);
    background: rgba(74, 158, 255, 0.05);
}

.log-item.log-level-warn {
    border-left-color: var(--accent-yellow);
    background: rgba(251, 191, 36, 0.05);
}

.log-item.log-level-error {
    border-left-color: var(--accent-red);
    background: rgba(248, 113, 113, 0.05);
}

.log-item.log-level-info:hover {
    border-left-color: var(--accent-blue);
    border-color: var(--accent-blue);
}

.log-item.log-level-warn:hover {
    border-left-color: var(--accent-yellow);
    border-color: var(--accent-yellow);
}

.log-item.log-level-error:hover {
    border-left-color: var(--accent-red);
    border-color: var(--accent-red);
}

.log-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
    flex-wrap: wrap;
}

.log-time {
    font-size: 11px;
    color: var(--text-muted);
    font-family: 'SF Mono', 'Monaco', 'Cascadia Code', 'Roboto Mono', monospace;
    white-space: nowrap;
    font-weight: 500;
}

.log-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-blue);
    padding: 3px 8px;
    background: rgba(74, 158, 255, 0.1);
    border-radius: 3px;
}

.log-plugin {
    font-size: 11px;
    color: var(--text-secondary);
    padding: 3px 8px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    font-family: 'SF Mono', 'Monaco', 'Cascadia Code', 'Roboto Mono', monospace;
    font-weight: 500;
}

.log-level {
    font-size: 10px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 3px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.log-level.info {
    background: rgba(74, 158, 255, 0.2);
    color: var(--accent-blue);
    font-weight: 600;
}

.log-level.warn {
    background: rgba(251, 191, 36, 0.2);
    color: var(--accent-yellow);
    font-weight: 600;
}

.log-level.error {
    background: rgba(248, 113, 113, 0.2);
    color: var(--accent-red);
    font-weight: 700;
}

/* 根据级别改变日志内容文字颜色 */
.log-item.log-level-info .log-content {
    color: var(--text-primary);
}

.log-item.log-level-warn .log-content {
    color: #fbbf24;
}

.log-item.log-level-error .log-content {
    color: var(--accent-red);
}

.log-item.log-level-info .log-title {
    color: var(--accent-blue);
}

.log-item.log-level-warn .log-title {
    color: var(--accent-yellow);
}

.log-item.log-level-error .log-title {
    color: var(--accent-red);
}

.log-content {
    font-size: 15px;
    line-height: 1.5;
    color: var(--text-primary);
    word-wrap: break-word;
    word-break: break-word;
    white-space: pre-wrap;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    font-weight: 400;
    user-select: text;
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
}

.log-content mark {
    padding: 2px 4px;
    border-radius: 3px;
    font-weight: 600;
}

.log-content .highlight-citizenid {
    background: rgba(74, 158, 255, 0.3);
    color: var(--accent-blue);
    border: 1px solid rgba(74, 158, 255, 0.5);
}

.log-content .highlight-quantity {
    background: rgba(251, 191, 36, 0.3);
    color: var(--accent-yellow);
    border: 1px solid rgba(251, 191, 36, 0.5);
}

.log-content .highlight-text {
    background: rgba(167, 139, 250, 0.3);
    color: var(--accent-purple);
    border: 1px solid rgba(167, 139, 250, 0.5);
}

.log-content .copyable {
    position: relative;
    display: inline-block;
    cursor: pointer;
    padding: 2px 6px;
    margin: 0 2px;
    border-radius: 4px;
    transition: all 0.2s ease;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    vertical-align: baseline;
}

.log-content .copyable-citizenid {
    background: rgba(74, 158, 255, 0.15);
    border: 1px solid rgba(74, 158, 255, 0.3);
}

.log-content .copyable-quantity {
    background: rgba(251, 191, 36, 0.15);
    border: 1px solid rgba(251, 191, 36, 0.3);
}

.log-content .copyable:hover {
    background: rgba(74, 158, 255, 0.25);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.log-content .copyable .copy-icon {
    display: none;
    margin-left: 4px;
    font-size: 11px;
    opacity: 0.7;
    vertical-align: middle;
}

.log-content .copyable:hover .copy-icon {
    display: inline;
}

.log-content .copyable.copied {
    background: rgba(74, 222, 128, 0.4);
    color: var(--accent-green);
    border-color: var(--accent-green);
    animation: copyPulse 0.3s ease;
}

.log-content .copyable.copied .copy-icon {
    display: inline;
}

@keyframes copyPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* 日志操作按钮容器（右上角） */
.log-actions-top {
    display: none;
    position: absolute;
    top: 7px;
    right: 7px;
    gap: 6px;
    z-index: 10;
}

.log-item:hover .log-actions-top {
    display: flex;
}

/* 复制按钮 */
.log-copy-btn {
    padding: 5px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    font-size: 11px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.log-item {
    position: relative;
}


.log-copy-btn:hover {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: white;
}

.log-copy-btn:active {
    transform: scale(0.95);
}

.log-copy-btn.copied {
    background: var(--accent-green);
    border-color: var(--accent-green);
    color: white;
}

/* 日志操作按钮容器 */
.log-actions {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

/* 图片查看按钮（在日志头部） */
.log-image-btn {
    padding: 3px 8px;
    background: rgba(74, 158, 255, 0.1);
    border: 1px solid var(--accent-blue);
    color: var(--accent-blue);
    border-radius: 3px;
    font-size: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.log-image-btn:hover {
    background: var(--accent-blue);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(74, 158, 255, 0.3);
}

.log-image-btn:active {
    transform: translateY(0);
}

/* 图片模态框 */
.image-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.image-modal-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-image {
    max-width: 100%;
    max-height: 90vh;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.image-modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: white;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s ease;
    line-height: 1;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.image-modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

/* 加载和空状态 */
.loading, .no-data {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
    font-size: 16px;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .sidebar {
        width: 240px;
    }
}

/* 登录遮罩层 */
.login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 15, 30, 0.95);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.login-overlay.hidden {
    display: none;
}

.login-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
}

.login-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--accent-blue);
    text-align: center;
    margin-bottom: 8px;
}

.login-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 32px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.login-input {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 16px;
    transition: all 0.3s ease;
}

.login-input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(74, 158, 255, 0.1);
}

.login-btn {
    width: 100%;
    padding: 14px;
    background: var(--accent-blue);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.login-btn:hover {
    background: #3a8eef;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.login-btn:active {
    transform: translateY(0);
}

.login-error {
    color: var(--accent-red);
    font-size: 14px;
    text-align: center;
    min-height: 20px;
    margin-top: -8px;
}

@media (max-width: 768px) {
    .header {
        flex-wrap: wrap;
        min-height: auto;
    }
    
    .header-center {
        order: 3;
        width: 100%;
        padding: 12px 0 0 0;
    }
    
    .stats-bar {
        flex-wrap: wrap;
    }
    
    .sidebar {
        width: 200px;
    }
    
    .login-box {
        padding: 32px 24px;
        margin: 20px;
    }
}