/* B站风格基础样式 */
:root {
    --bili-pink: #fb7299;
    --bili-blue: #23ade5;
    --bili-blue-dark: #00a1d6;
    --bili-bg: #f4f4f4;
    --bili-card-bg: #ffffff;
    --bili-text: #212121;
    --bili-text-secondary: #999999;
    --bili-border: #e5e5e5;
    --bili-success: #00c853;
    --bili-danger: #ff5252;
    --bili-warning: #ffab00;
    --bili-gold: #ffc107;
    --bili-silver: #9e9e9e;

    --panel-radius: 12px;
    --card-radius: 8px;
    --transition-fast: 0.2s ease;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
}

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

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bili-bg);
    color: var(--bili-text);
    line-height: 1.5;
    min-height: 100vh;
}

.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* 控制栏 */
.control-bar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 20px;
    background: var(--bili-card-bg);
    border-bottom: 1px solid var(--bili-border);
    box-shadow: var(--shadow-sm);
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 18px;
    color: var(--bili-pink);
}

.logo-icon {
    font-size: 24px;
    line-height: 1;
    color: var(--bili-pink);
}

.logo-icon i {
    display: inline-flex;
}

.logo-img {
    width: 32px;
    height: 32px;
}

.room-control {
    display: flex;
    gap: 8px;
}

.input-field {
    padding: 8px 12px;
    border: 1px solid var(--bili-border);
    border-radius: var(--card-radius);
    font-size: 14px;
    outline: none;
    transition: border-color var(--transition-fast);
}

.input-field:focus {
    border-color: var(--bili-pink);
}

.textarea {
    min-height: 80px;
    resize: vertical;
    width: 100%;
}

.btn {
    padding: 8px 16px;
    border: none;
    border-radius: var(--card-radius);
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.btn-primary {
    background: var(--bili-pink);
    color: white;
}

.btn-primary:hover {
    background: #e5657f;
}

.btn-secondary {
    background: var(--bili-bg);
    color: var(--bili-text);
}

.btn-secondary:hover {
    background: var(--bili-border);
}

.btn-icon {
    padding: 8px 10px;
    background: transparent;
    font-size: 16px;
    color: var(--bili-text-secondary);
    border-radius: var(--card-radius);
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: var(--bili-bg);
    color: var(--bili-pink);
    transform: translateY(-1px);
}

.btn-icon i {
    display: inline-flex;
}

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

.btn-small {
    padding: 4px 8px;
    font-size: 12px;
}

.control-buttons {
    display: flex;
    gap: 4px;
    margin-left: auto;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--bili-bg);
    border-radius: 20px;
    font-size: 13px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--bili-text-secondary);
}

.status-indicator.connected .status-dot {
    background: var(--bili-success);
}

.status-indicator.connecting .status-dot {
    background: var(--bili-warning);
    animation: pulse 1s infinite;
}

.status-indicator.error .status-dot {
    background: var(--bili-danger);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* 直播间统计信息 */
.live-stats {
    display: flex;
    gap: 16px;
    margin-left: 16px;
    padding-left: 16px;
    border-left: 1px solid var(--bili-border);
}

.live-stat {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--bili-text-secondary);
    padding: 4px 10px;
    background: var(--bili-bg);
    border-radius: 16px;
    transition: all var(--transition-fast);
}

.live-stat:hover {
    background: var(--bili-border);
}

.live-stat i {
    font-size: 14px;
}

.live-stat span:last-child {
    color: var(--bili-text);
    font-weight: 600;
}

/* 主内容区 */
.main-content {
    display: flex;
    flex: 1;
    min-height: 0;
    gap: 16px;
    padding: 16px;
    overflow: hidden;
}

.panel {
    background: var(--bili-card-bg);
    border-radius: var(--panel-radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.panel-left {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.panel-right {
    width: 420px;
    min-width: 420px;
    max-width: 420px;
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
}

/* 响应式布局 - 中等屏幕 */
@media (max-width: 1200px) {
    .panel-right {
        width: 420px;
        min-width: 420px;
        max-width: 420px;
    }
}

/* 响应式布局 - 小屏幕 */
@media (max-width: 992px) {
    .main-content {
        flex-direction: column;
        gap: 12px;
    }
    
    .panel-left {
        width: 100%;
    }
    
    .panel-right {
        width: 420px;
        min-width: 420px;
        max-width: 420px;
        height: 100%;
    }
}

/* 响应式布局 - 超小屏幕 */
@media (max-width: 768px) {
    .main-content {
        padding: 12px;
        gap: 12px;
    }
    
    .panel-right {
        height: 100%;
    }
}

.panel-bottom {
    margin: 0 16px 16px;
    padding: 12px 16px;
    flex-shrink: 0;
    max-height: 100px;
}

.panel-title {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    font-size: 16px;
    font-weight: 600;
    border-bottom: 1px solid var(--bili-border);
    flex-shrink: 0;
}

/* 响应式布局 - 小屏幕 */
@media (max-width: 768px) {
    .panel-title {
        padding: 10px 12px;
        font-size: 14px;
    }
}

.title-icon {
    font-size: 18px;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.title-icon i {
    color: inherit;
}

/* 标签页 */
.panel-tabs {
    display: flex;
    border-bottom: 1px solid var(--bili-border);
}

.tab-btn {
    flex: 1;
    padding: 12px;
    background: none;
    border: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    position: relative;
    color: var(--bili-text-secondary);
    transition: all var(--transition-fast);
}

.tab-btn:hover {
    color: var(--bili-text);
}

.tab-btn.active {
    color: var(--bili-pink);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: var(--bili-pink);
    border-radius: 1px;
}

.panel-content {
    flex: 1;
    overflow: hidden;
}

.tab-content {
    display: none;
    height: 100%;
    overflow-y: auto;
}

.tab-content.active {
    display: block;
}

/* 消息列表 */
.message-list {
    padding: 8px;
}

.message-item {
    padding: 8px 12px;
    margin-bottom: 4px;
    border-radius: var(--card-radius);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.danmu-item {
    background: var(--bili-bg);
}

.danmu-user {
    color: var(--bili-blue-dark);
    font-weight: 500;
    margin-right: 8px;
}

.danmu-medal {
    display: inline-block;
    padding: 1px 4px;
    font-size: 11px;
    background: linear-gradient(90deg, var(--bili-pink), var(--bili-blue));
    color: white;
    border-radius: 2px;
    margin-right: 4px;
}

.danmu-content {
    color: var(--bili-text);
}

.gift-item {
    background: linear-gradient(135deg, #fff8e1 0%, #ffffff 100%);
    border-left: 3px solid var(--bili-gold);
}

.gift-item.gold {
    border-left-color: var(--bili-gold);
}

.gift-item.silver {
    border-left-color: var(--bili-silver);
}

.gift-user {
    color: var(--bili-pink);
    font-weight: 500;
    word-break: break-all;
    word-wrap: break-word;
}

.gift-info {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 4px;
}

.gift-icon {
    width: 20px;
    height: 20px;
}

.gift-name {
    color: var(--bili-text);
}

.gift-num {
    color: var(--bili-warning);
    font-weight: 600;
}

.gift-value {
    color: var(--bili-text-secondary);
    font-size: 12px;
    margin-left: auto;
}

.sc-item {
    background: linear-gradient(135deg, #e3f2fd 0%, #ffffff 100%);
    border-left: 3px solid var(--bili-blue);
    padding: 12px;
}

.sc-header {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.sc-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.sc-user {
    font-weight: 500;
    color: var(--bili-blue-dark);
    word-break: break-all;
    word-wrap: break-word;
    flex: 1;
    min-width: 0;
}

.sc-price {
    margin-left: auto;
    padding: 2px 8px;
    background: var(--bili-blue);
    color: white;
    border-radius: 4px;
    font-size: 12px;
}

.sc-message {
    padding: 8px;
    background: rgba(35, 173, 229, 0.1);
    border-radius: var(--card-radius);
    color: var(--bili-text);
}

/* 礼物统计 */
.gift-summary-panel {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 16px;
    overflow: hidden;
}

.gift-summary-panel .panel-title {
    padding: 0;
    border-bottom: none;
    white-space: nowrap;
}

.gift-summary {
    display: flex;
    gap: 16px;
    flex-shrink: 0;
}

.summary-item {
    display: flex;
    flex-direction: column;
}

.summary-label {
    font-size: 12px;
    color: var(--bili-text-secondary);
}

.summary-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--bili-pink);
}

.gift-ranking {
    display: flex;
    flex-wrap: nowrap;
    gap: 8px;
    flex: 1;
    overflow-x: auto;
    padding: 4px 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.gift-ranking::-webkit-scrollbar {
    display: none;
}

.gift-rank-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: var(--bili-bg);
    border-radius: var(--card-radius);
    flex-shrink: 0;
    white-space: nowrap;
}

.gift-rank-icon {
    width: 20px;
    height: 20px;
}

.gift-rank-name {
    font-size: 12px;
}

.gift-rank-count {
    font-weight: 600;
    color: var(--bili-pink);
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    background: var(--bili-card-bg);
    border-radius: var(--panel-radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--bili-border);
}

.modal-header h2 {
    font-size: 18px;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--bili-text-secondary);
}

.modal-body {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 16px 20px;
    border-top: 1px solid var(--bili-border);
}

.settings-section {
    margin-bottom: 24px;
}

.settings-section h3 {
    font-size: 14px;
    margin-bottom: 12px;
    color: var(--bili-text);
}

.settings-hint {
    font-size: 12px;
    color: var(--bili-text-secondary);
    margin-bottom: 8px;
}

.setting-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.setting-row label {
    min-width: 120px;
    font-size: 14px;
}

.setting-row .input-field {
    flex: 1;
}

/* 调试面板 */
.debug-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: #1a1a1a;
    color: #00ff00;
    font-family: monospace;
    font-size: 12px;
    z-index: 999;
}

.debug-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: #2a2a2a;
    border-top: 1px solid #333;
}

.debug-log {
    height: calc(100% - 40px);
    overflow-y: auto;
    padding: 8px 12px;
}

.debug-log p {
    margin: 2px 0;
}

.debug-log .error {
    color: #ff5252;
}

.debug-log .warn {
    color: #ffab00;
}

.debug-log .info {
    color: #23ade5;
}


/* 响应式 */
@media (max-width: 768px) {
    .main-content {
        flex-direction: column;
    }

    .panel-right {
        width: 100%;
    }

    .control-bar {
        flex-wrap: wrap;
    }

    .room-control {
        order: 2;
        width: 100%;
    }
}

/* 暗色模式 */
@media (prefers-color-scheme: dark) {
    .sc-item {
        background: linear-gradient(135deg, #1e3a5f 0%, #2a2a2a 100%);
        border-left-color: var(--bili-blue);
    }

    .sc-message {
        background: rgba(35, 173, 229, 0.2);
        color: var(--bili-text);
    }

    .sc-user {
        color: #6bb6ff;
    }

    .danmu-item {
        background: var(--bili-card-bg);
    }

    .gift-item {
        background: linear-gradient(135deg, #3a3420 0%, #2a2a2a 100%);
    }
}