/* SignFlow 基础层 | reset / 排版 / 布局 / 导航 / 滚动条 / 表单容器
   依赖：tokens.css */
/* === Reset / html / body / 背景装饰 / 导航栏 === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    overflow-x: hidden;
}
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background var(--transition), color var(--transition);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    -webkit-tap-highlight-color: transparent;
}

/* 背景装饰 */
body::before {
    content: '';
    position: fixed;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-glow), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}
body::after {
    content: '';
    position: fixed;
    bottom: -300px;
    left: -100px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--info-glow-soft), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}

/* === 导航栏 === */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    background: var(--bg-glass);
    border-bottom: 1px solid var(--border);
    padding: 16px 32px;
}
.navbar-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.5px;
}
.logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 22px;
    box-shadow: var(--shadow-glow);
    transition: transform var(--transition);
}
.logo:hover .logo-icon {
    transform: scale(1.08) rotate(-5deg);
}
.logo-text {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* 主题切换 */
.theme-toggle {
    width: 42px;
    height: 42px;
    border: 1px solid var(--border);
    background: var(--bg-glass);
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition);
    backdrop-filter: blur(10px);
}
.theme-toggle:hover {
    color: var(--accent);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* === 主容器 === */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 32px;
    position: relative;
    z-index: 1;
}
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 16px;
}
.page-title {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.5px;
}
.page-subtitle {
    color: var(--text-secondary);
    font-size: 15px;
    margin-top: 4px;
}

/* 用户筛选栏（管理员视角） */
.user-filter-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 24px;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border);
}
.user-filter-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
    margin-right: 4px;
}
.user-filter-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 12px;
    font-size: 13px;
    font-weight: 500;
    border-radius: 8px;
    background: transparent;
    color: var(--text-secondary);
    text-decoration: none;
    border: 1px solid transparent;
    transition: all 0.2s ease;
    cursor: pointer;
    max-width: 160px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.user-filter-tag:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}
.user-filter-tag.active {
    background: var(--accent);
    color: white;
    font-weight: 600;
}

/* === 进度管理页面 === */
.progress-stats {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}
.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.stat-value {
    font-size: 32px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 收件人列表 */
.recipient-list {
    margin-bottom: 24px;
}
.recipient-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
}
.recipient-item:hover {
    background: var(--bg-tertiary);
}
.recipient-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 16px;
    flex-shrink: 0;
}
.recipient-info {
    flex: 1;
    min-width: 0;
}
.recipient-name {
    font-weight: 600;
    font-size: 14px;
}
.recipient-email {
    font-size: 12px;
    color: var(--text-tertiary);
}

/* 提交记录列表 */
.submission-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
}
.submission-item:hover {
    background: var(--bg-tertiary);
}

/* 分享区域 */
.share-box {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    align-items: center;
}
.share-link-box {
    flex: 1;
    min-width: 250px;
}
.share-link-input {
    display: flex;
    gap: 8px;
    align-items: center;
}
.share-link-input input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 13px;
    font-family: 'Courier New', monospace;
    outline: none;
}
.share-link-input input:focus {
    border-color: var(--accent);
}
.qr-display {
    text-align: center;
}
.qr-display img {
    width: 160px;
    height: 160px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

/* === 角色管理（编辑器） === */
#role-manager .form-input {
    padding: 8px 10px;
    font-size: 13px;
}
#role-palette span {
    transition: transform 0.2s ease;
}
#role-palette span:hover {
    transform: scale(1.05);
}

/* === 角色选择器（签署页） === */
#role-selector-group select.form-input {
    cursor: pointer;
}

/* 角色进度卡片 */
[data-role-id] {
    transition: all 0.3s ease;
}
[data-role-id]:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* 角色徽章（提交记录中） */
.role-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}
.form-group {
    margin-bottom: 16px;
}
.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 6px;
}
.form-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: border-color var(--transition);
}
.form-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* 磁性按钮效果 */
.magnetic {
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 输入框样式 - 签署页 */
.signer-info-form {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}
.signer-info-form h3 {
    font-size: 16px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}