/*!
 * 尘箓跑团平台 - 全局样式
 * 基于极简黑白灰设计风格
 */

/* ===================== CSS变量 ===================== */
:root {
    /* 色彩系统 */
    --color-black: #000000;
    --color-deep-dark: #1A1A1A;
    --color-dark: #2D2D2D;
    --color-gray-dark: #404040;
    --color-gray: #808080;
    --color-gray-light: #A0A0A0;
    --color-gray-lighter: #C0C0C0;
    --color-gray-lightest: #E0E0E0;
    --color-surface: #F5F5F5;
    --color-white: #FFFFFF;
    --color-accent: #007AFF;
    --color-accent-hover: #0066DD;
    --color-accent-light: #E6F0FF;

    /* 功能色 */
    --color-success: #34C759;
    --color-warning: #FF9500;
    --color-error: #FF3B30;
    --color-st: #AF52DE;
    --color-player: #5AC8FA;
    --color-spectator: #8E8E93;

    /* 字体 */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Monaco', 'Consolas', monospace;

    /* 间距 */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;

    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* 阴影 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);

    /* 过渡 */
    --transition-fast: 100ms ease;
    --transition-normal: 150ms ease;
    --transition-slow: 300ms ease;
}

/* ===================== 重置样式 ===================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    background: #D3D3D3;
    color: var(--color-white);
    min-height: 100vh;
}

/* ===================== 排版 ===================== */
h1 {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

h2 {
    font-size: 24px;
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.3;
}

h3 {
    font-size: 18px;
    font-weight: 600;
    line-height: 1.4;
}

h4 {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
}

.text-body { font-size: 14px; line-height: 1.5; }
.text-small { font-size: 12px; line-height: 1.4; letter-spacing: 0.01em; }
.text-tiny { font-size: 11px; font-weight: 500; line-height: 1.3; letter-spacing: 0.02em; }

.text-gray { color: var(--color-gray); }
.text-accent { color: var(--color-accent); }

/* ===================== 按钮 ===================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-normal), transform var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn:active { transform: scale(0.98); }
.btn:disabled { cursor: not-allowed; opacity: 0.5; }

.btn-primary {
    background: var(--color-accent);
    color: var(--color-white);
}
.btn-primary:hover:not(:disabled) { background: var(--color-accent-hover); }

/* 导航栏统一使用浅蓝色背景 */
.nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    color: var(--color-white);
    background: rgba(90, 200, 250, 0.15);
    border: 1px solid transparent;
}

.nav-link:hover {
    background: rgba(90, 200, 250, 0.25);
    border-color: rgba(90, 200, 250, 0.3);
}

.nav-link.active {
    background: rgba(90, 200, 250, 0.3);
    border-color: rgba(90, 200, 250, 0.5);
    color: var(--color-white);
}

/* 导航栏中的按钮也使用浅蓝色背景 */
.navbar-nav .btn-primary {
    background: rgba(90, 200, 250, 0.3);
    border: 1px solid rgba(90, 200, 250, 0.5);
    color: var(--color-white);
}

.navbar-nav .btn-primary:hover:not(:disabled) {
    background: rgba(90, 200, 250, 0.45);
    border-color: rgba(90, 200, 250, 0.7);
}

.btn-secondary {
    background: var(--color-dark);
    color: var(--color-white);
}
.btn-secondary:hover:not(:disabled) { background: var(--color-gray-dark); }

.btn-ghost {
    background: transparent;
    color: var(--color-accent);
    border: 1px solid var(--color-gray-lightest);
}
.btn-ghost:hover:not(:disabled) { background: var(--color-surface); }

.btn-danger {
    background: var(--color-error);
    color: var(--color-white);
}
.btn-danger:hover:not(:disabled) { background: #D63028; }

.btn-sm { padding: 8px 16px; font-size: 13px; border-radius: var(--radius-sm); }
.btn-lg { padding: 16px 24px; font-size: 16px; border-radius: var(--radius-lg); }

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-md);
}

/* ===================== 输入框 ===================== */
.input {
    width: 100%;
    padding: 12px 16px;
    font-size: 14px;
    font-family: var(--font-family);
    background: var(--color-white);
    border: 1px solid var(--color-gray-lightest);
    border-radius: var(--radius-md);
    color: var(--color-black);
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.input::placeholder { color: var(--color-gray-light); }
.input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}
.input:disabled {
    background: var(--color-surface);
    color: var(--color-gray);
    cursor: not-allowed;
}
.input-error { border-color: var(--color-error); }

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper .input-icon {
    position: absolute;
    left: 12px;
    color: var(--color-gray);
}

.input-wrapper .input {
    padding-left: 40px;
}

/* ===================== 卡片 ===================== */
.card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-lightest);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.card:hover { box-shadow: var(--shadow-md); }

.card-dark {
    background: var(--color-dark);
    border-color: var(--color-gray-dark);
    color: var(--color-white);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-gray-lightest);
}

.card-dark .card-header { border-color: var(--color-gray-dark); }

.card-body { flex: 1; }

.card-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-gray-lightest);
}

.card-dark .card-footer { border-color: var(--color-gray-dark); }

/* ===================== 徽章 ===================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.02em;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

.badge-default { background: var(--color-surface); color: var(--color-gray); }
.badge-primary { background: var(--color-accent-light); color: var(--color-accent); }
.badge-st { background: #F3E5F5; color: var(--color-st); }
.badge-player { background: #E3F2FD; color: var(--color-player); }
.badge-spectator { background: var(--color-surface); color: var(--color-spectator); }
.badge-success { background: #E8F5E9; color: var(--color-success); }
.badge-warning { background: #FFF3E0; color: var(--color-warning); }
.badge-danger { background: #FFEBEE; color: var(--color-error); }

/* ===================== 头像 ===================== */
.avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--color-dark);
    color: var(--color-white);
    font-weight: 600;
    overflow: hidden;
}

.avatar img { width: 100%; height: 100%; object-fit: cover; }

.avatar-sm { width: 32px; height: 32px; font-size: 12px; }
.avatar-md { width: 40px; height: 40px; font-size: 14px; }
.avatar-lg { width: 56px; height: 56px; font-size: 18px; }
.avatar-xl { width: 80px; height: 80px; font-size: 24px; }

/* ===================== 模态框 ===================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.modal-overlay.active { opacity: 1; visibility: visible; }

.modal {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    max-width: 480px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.24);
    transform: scale(0.95);
    transition: transform var(--transition-slow);
}

.modal-overlay.active .modal { transform: scale(1); }

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--color-gray-lightest);
}

.modal-header h3 { color: var(--color-black); }

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--color-gray);
    cursor: pointer;
    border-radius: var(--radius-sm);
    font-size: 20px;
}

.modal-close:hover { background: var(--color-surface); color: var(--color-black); }

.modal-body { padding: 24px; color: var(--color-black); }
.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-sm);
    padding: 16px 24px;
    border-top: 1px solid var(--color-gray-lightest);
}

/* ===================== 表单 ===================== */
.form-group { margin-bottom: var(--space-md); }
.form-label {
    display: block;
    margin-bottom: var(--space-xs);
    font-size: 13px;
    font-weight: 500;
    color: var(--color-gray);
}
.form-hint {
    display: block;
    margin-top: var(--space-xs);
    font-size: 12px;
    color: var(--color-gray-light);
}
.form-error {
    display: block;
    margin-top: var(--space-xs);
    font-size: 12px;
    color: var(--color-error);
}

/* ===================== 布局 ===================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.page {
    padding: var(--space-xl);
    background: #D3D3D3;
    min-height: calc(100vh - 60px);
}
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xl);
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }

/* ===================== 导航栏 ===================== */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-lg);
    height: 64px;
    background: var(--color-deep-dark);
    border-bottom: 1px solid var(--color-dark);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 18px;
    font-weight: 600;
    color: var(--color-white);
    text-decoration: none;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* ===================== 消息气泡 ===================== */
.message {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md) 0;
}

.message-avatar { flex-shrink: 0; }

.message-content { flex: 1; min-width: 0; }

.message-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xs);
}

.message-username { font-weight: 600; }
.message-time { font-size: 12px; color: var(--color-gray); }
.message-role { font-size: 11px; }

.message-body { color: var(--color-black); }

.message-public .message-body { /* 默认样式 */ }
.message-private .message-body {
    background: var(--color-surface);
    border-left: 3px solid var(--color-accent);
    padding: var(--space-sm) var(--space-md);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.message-system {
    text-align: center;
    color: var(--color-gray);
    font-size: 12px;
    padding: var(--space-sm) 0;
}

.message-quote {
    background: var(--color-surface);
    border-left: 2px solid var(--color-gray-lighter);
    padding: var(--space-sm) var(--space-md);
    margin-bottom: var(--space-sm);
    font-size: 13px;
    color: var(--color-gray);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* ===================== 列表 ===================== */
.list { display: flex; flex-direction: column; }
.list-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-gray-lightest);
}
.list-item:last-child { border-bottom: none; }
.list-item:hover { background: var(--color-surface); }

/* ===================== 标签页 ===================== */
.tabs {
    display: flex;
    gap: var(--space-xs);
    border-bottom: 1px solid var(--color-gray-lightest);
}

.tab {
    padding: var(--space-sm) var(--space-md);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-gray);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: color var(--transition-normal), border-color var(--transition-normal);
}

.tab:hover { color: var(--color-black); }
.tab.active {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

/* ===================== 加载状态 ===================== */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--color-gray-lightest);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ===================== 空状态 ===================== */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl);
    text-align: center;
    color: var(--color-gray);
}

.empty-state-icon { font-size: 48px; margin-bottom: var(--space-md); }
.empty-state-title { font-size: 18px; font-weight: 600; margin-bottom: var(--space-sm); color: var(--color-black); }
.empty-state-desc { font-size: 14px; max-width: 300px; }

/* ===================== 工具类 ===================== */
.hidden { display: none !important; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* ===================== 滚动条 ===================== */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--color-dark); }
::-webkit-scrollbar-thumb { background: var(--color-gray-dark); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-gray); }

/* ===================== 响应式 ===================== */
@media (max-width: 768px) {
    .container { padding: 0 var(--space-md); }
    .page { padding: var(--space-lg); }
    .grid-cols-2, .grid-cols-3 { grid-template-columns: 1fr; }
    .navbar { padding: 0 var(--space-md); }
}

/* ===================== 减少动画 ===================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}