/* ============================================
   卡密激活系统 - 公共样式 + CSS变量
   Glassmorphism Blue-White Theme
   ============================================ */

:root {
    --primary: #2563EB;
    --primary-dark: #1D4ED8;
    --primary-light: #3B82F6;
    --accent: #6366F1;
    --accent-light: #818CF8;
    --success: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;
    --info: #06B6D4;

    --text-primary: #1E293B;
    --text-secondary: #475569;
    --text-muted: #94A3B8;

    --bg-page: #EFF6FF;
    --bg-card: rgba(255, 255, 255, 0.8);
    --bg-input: #F8FAFC;
    --border: #E2E8F0;

    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 6px 24px rgba(30, 64, 175, 0.08);

    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-xl: 20px;

    --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-code: 'Fira Code', 'Cascadia Code', monospace;
}

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

body {
    font-family: var(--font-ui);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Flash Messages */
.flash-message {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 16px;
    animation: flashIn 0.3s ease;
}
.flash-error {
    background: rgba(239, 68, 68, 0.1);
    color: #DC2626;
    border: 1px solid rgba(239, 68, 68, 0.2);
}
.flash-success {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

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

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 16px 0;
}
.page-btn {
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--text-secondary);
    background: var(--glass-bg);
    border: 1px solid var(--border);
    text-decoration: none;
    transition: all 0.2s;
}
.page-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); text-decoration: none; }
.page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }