/* 授权管理后台样式 */
:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --danger: #dc2626;
    --danger-hover: #b91c1c;
    --success: #16a34a;
    --warning: #d97706;
    --bg: #f3f4f6;
    --card: #ffffff;
    --border: #e5e7eb;
    --text: #111827;
    --text-muted: #6b7280;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
                 "Microsoft YaHei", sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.5;
}

/* ===== 登录页 ===== */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
}
.login-card {
    background: var(--card);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
    width: 360px;
}
.login-card h1 { font-size: 22px; margin-bottom: 4px; text-align: center; }
.login-card .subtitle {
    color: var(--text-muted);
    font-size: 12px;
    text-align: center;
    margin-bottom: 24px;
}

/* ===== 布局 ===== */
.topbar {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky; top: 0; z-index: 10;
}
.topbar h1 { font-size: 18px; }
.topbar .user { color: var(--text-muted); font-size: 13px; }
.topbar .user a { margin-left: 16px; color: var(--danger); text-decoration: none; }

.container {
    max-width: 1280px;
    margin: 24px auto;
    padding: 0 24px;
}

/* ===== 卡片 ===== */
.card {
    background: var(--card);
    border-radius: 8px;
    border: 1px solid var(--border);
    margin-bottom: 20px;
    overflow: hidden;
}
.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.card-header h2 { font-size: 15px; font-weight: 600; }
.card-body { padding: 20px; }

/* ===== 统计 ===== */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}
.stat-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
}
.stat-card .label { color: var(--text-muted); font-size: 12px; margin-bottom: 8px; }
.stat-card .value { font-size: 28px; font-weight: 700; }
.stat-card .value.danger { color: var(--danger); }
.stat-card .value.success { color: var(--success); }
.stat-card .value.warning { color: var(--warning); }

/* ===== 表单 ===== */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--text);
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79,70,229,0.1);
}
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}

/* ===== 按钮 ===== */
.btn {
    display: inline-block;
    padding: 8px 16px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-family: inherit;
    text-decoration: none;
    transition: background 0.15s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: var(--danger-hover); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-warning:hover { background: #b45309; }
.btn-default {
    background: var(--card);
    border: 1px solid var(--border);
    color: var(--text);
}
.btn-default:hover { background: var(--bg); }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-block { width: 100%; }
.btn-group { display: flex; gap: 6px; flex-wrap: wrap; }

/* ===== 工具栏 ===== */
.toolbar {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 16px;
}
.toolbar input,
.toolbar select {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
}
.toolbar input { flex: 1; min-width: 200px; }

/* ===== 表格 ===== */
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
th, td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
th {
    background: var(--bg);
    font-weight: 600;
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
tr:hover { background: #fafafa; }
.code-cell {
    font-family: "SF Mono", Monaco, Consolas, monospace;
    font-weight: 600;
    letter-spacing: 0.5px;
}
.hwid-cell {
    font-family: "SF Mono", Monaco, Consolas, monospace;
    font-size: 11px;
    color: var(--text-muted);
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.remark-cell {
    cursor: pointer;
    color: var(--primary);
    padding: 2px 6px;
    border-radius: 4px;
    transition: background 0.15s;
    display: inline-block;
    min-width: 24px;
}
.remark-cell:hover {
    background: rgba(79,70,229,0.08);
    text-decoration: underline;
}

/* ===== 标签 ===== */
.tag {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}
.tag-active { background: #dcfce7; color: #15803d; }
.tag-disabled { background: #fee2e2; color: #b91c1c; }
.tag-expired { background: #fef3c7; color: #b45309; }

/* ===== 提示 ===== */
.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 13px;
}
.alert-error { background: #fee2e2; color: #b91c1c; }
.alert-success { background: #dcfce7; color: #15803d; }
.alert-info { background: #dbeafe; color: #1e40af; }

/* ===== 分页 ===== */
.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 16px;
    color: var(--text-muted);
    font-size: 13px;
}
.pagination .pages { display: flex; gap: 4px; }
.pagination .pages a {
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: 4px;
    text-decoration: none;
    color: var(--text);
}
.pagination .pages a.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* ===== 模态框 ===== */
.modal-overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 100;
    align-items: center;
    justify-content: center;
}
.modal-overlay.show { display: flex; }
.modal {
    background: var(--card);
    border-radius: 8px;
    padding: 24px;
    width: 480px;
    max-width: 90vw;
    max-height: 90vh;
    overflow-y: auto;
}
.modal h3 { font-size: 16px; margin-bottom: 16px; }
.modal-footer {
    margin-top: 20px;
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

.code-result {
    background: var(--bg);
    border: 1px dashed var(--border);
    border-radius: 6px;
    padding: 12px;
    margin-top: 12px;
    font-family: "SF Mono", Monaco, Consolas, monospace;
    font-size: 13px;
    white-space: pre-wrap;
    max-height: 240px;
    overflow-y: auto;
}

/* ===== Toast ===== */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 12px 20px;
    border-radius: 6px;
    color: #fff;
    font-size: 13px;
    z-index: 1000;
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.25s;
}
.toast.show { opacity: 1; transform: translateX(0); }
.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }