/* ============================================================================
   XIAOMI ANONYMOUS TOOL - Unified Clean Light Theme
   ============================================================================ */

/* --- Google Font --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* --- Design Tokens --- */
:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    --success: #16a34a;
    --success-hover: #15803d;
    --success-light: #f0fdf4;
    --danger: #dc2626;
    --danger-light: #fef2f2;
    --warning: #d97706;
    --warning-light: #fffbeb;
    --info: #0891b2;

    --bg: #f8fafc;
    --bg-card: #ffffff;
    --bg-nav: #ffffff;
    --text: #1e293b;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --border: #e2e8f0;
    --border-light: #f1f5f9;

    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);

    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --transition: 0.2s ease;
}

/* --- Base --- */
* { box-sizing: border-box; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    margin: 0;
    -webkit-font-smoothing: antialiased;
}

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

/* --- Navbar --- */
.xa-nav {
    background: var(--bg-nav);
    border-bottom: 1px solid var(--border);
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}
.xa-nav .container { display: flex; align-items: center; justify-content: space-between; height: 64px; max-width: 1200px; margin: 0 auto; }
.xa-nav-brand { font-weight: 700; font-size: 1.15rem; color: var(--text); display: flex; align-items: center; gap: 8px; }
.xa-nav-brand img { height: 28px; }
.xa-nav-links { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
.xa-nav-links a { padding: 8px 14px; border-radius: var(--radius-sm); color: var(--text-muted); font-size: 0.875rem; font-weight: 500; transition: all var(--transition); }
.xa-nav-links a:hover, .xa-nav-links a.active { color: var(--primary); background: var(--primary-light); }
.xa-nav-toggle { display: none; background: none; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 6px 10px; cursor: pointer; color: var(--text); }

@media (max-width: 768px) {
    .xa-nav-toggle { display: block; }
    .xa-nav-links { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--bg-nav); border-bottom: 1px solid var(--border); padding: 8px 16px; box-shadow: var(--shadow-md); }
    .xa-nav-links.open { display: flex; }
    .xa-nav-links a { padding: 12px 14px; }
}

/* --- Cards --- */
.xa-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}
.xa-card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-light);
    font-weight: 600;
    font-size: 1rem;
    color: var(--text);
}
.xa-card-body { padding: 24px; }

/* --- Buttons --- */
.xa-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-family: var(--font);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    line-height: 1.4;
}
.xa-btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }
.xa-btn:active { transform: translateY(0); }

.xa-btn-primary { background: var(--primary); color: #fff; }
.xa-btn-primary:hover { background: var(--primary-hover); color: #fff; }
.xa-btn-success { background: var(--success); color: #fff; }
.xa-btn-success:hover { background: var(--success-hover); color: #fff; }
.xa-btn-danger { background: var(--danger); color: #fff; }
.xa-btn-danger:hover { background: #b91c1c; color: #fff; }
.xa-btn-outline { background: transparent; color: var(--text); border: 1px solid var(--border); }
.xa-btn-outline:hover { background: var(--bg); border-color: var(--text-muted); }
.xa-btn-sm { padding: 6px 12px; font-size: 0.8rem; border-radius: var(--radius-sm); }
.xa-btn-lg { padding: 14px 28px; font-size: 1rem; border-radius: var(--radius); }
.xa-btn-block { width: 100%; }

/* --- Forms --- */
.xa-input {
    width: 100%;
    padding: 10px 14px;
    font-family: var(--font);
    font-size: 0.875rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    color: var(--text);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}
.xa-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}
.xa-input::placeholder { color: var(--text-light); }

.xa-label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text);
}

.xa-form-group { margin-bottom: 20px; }

select.xa-input { appearance: auto; }

/* --- Auth Layout (Login/Register) --- */
.xa-auth-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 16px;
    background: var(--bg);
}
.xa-auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    overflow: hidden;
}
.xa-auth-header {
    background: var(--primary);
    color: #fff;
    padding: 28px 24px;
    text-align: center;
}
.xa-auth-header h1 { font-size: 1.25rem; font-weight: 700; margin: 0 0 4px; }
.xa-auth-header p { font-size: 0.85rem; opacity: 0.85; margin: 0; }
.xa-auth-body { padding: 32px 28px; }
.xa-auth-footer { padding: 16px 28px 28px; text-align: center; font-size: 0.8125rem; color: var(--text-muted); }
.xa-auth-footer a { color: var(--primary); font-weight: 500; }

/* --- Tables --- */
.xa-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}
.xa-table th {
    background: var(--bg);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    padding: 12px 16px;
    border-bottom: 2px solid var(--border);
    text-align: left;
}
.xa-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-light);
    color: var(--text);
    vertical-align: middle;
}
.xa-table tbody tr:hover { background: var(--primary-light); }

/* --- Badges --- */
.xa-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.xa-badge-success { background: var(--success-light); color: var(--success); }
.xa-badge-danger { background: var(--danger-light); color: var(--danger); }
.xa-badge-warning { background: var(--warning-light); color: var(--warning); }
.xa-badge-info { background: #ecfeff; color: var(--info); }
.xa-badge-primary { background: var(--primary-light); color: var(--primary); }

/* --- Alert --- */
.xa-alert {
    padding: 14px 18px;
    border-radius: var(--radius);
    font-size: 0.875rem;
    margin-bottom: 20px;
    border: 1px solid transparent;
}
.xa-alert-success { background: var(--success-light); color: var(--success); border-color: #bbf7d0; }
.xa-alert-danger { background: var(--danger-light); color: var(--danger); border-color: #fecaca; }
.xa-alert-warning { background: var(--warning-light); color: var(--warning); border-color: #fde68a; }
.xa-alert-info { background: var(--primary-light); color: var(--primary); border-color: #bfdbfe; }

/* --- Stats Card --- */
.xa-stat {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}
.xa-stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}
.xa-stat-icon.blue { background: var(--primary-light); color: var(--primary); }
.xa-stat-icon.green { background: var(--success-light); color: var(--success); }
.xa-stat-icon.red { background: var(--danger-light); color: var(--danger); }
.xa-stat-icon.amber { background: var(--warning-light); color: var(--warning); }
.xa-stat-value { font-size: 1.5rem; font-weight: 700; color: var(--text); line-height: 1.2; }
.xa-stat-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; font-weight: 500; }

/* --- Sidebar (Dashboard) --- */
.xa-layout { display: flex; min-height: 100vh; }
.xa-sidebar {
    width: 260px;
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    padding: 24px 0;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}
.xa-sidebar-brand {
    padding: 0 20px 24px;
    font-weight: 700;
    font-size: 1rem;
    color: var(--text);
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 16px;
}
.xa-sidebar-nav { list-style: none; padding: 0; margin: 0; }
.xa-sidebar-nav li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition);
    border-left: 3px solid transparent;
}
.xa-sidebar-nav li a:hover { color: var(--primary); background: var(--primary-light); }
.xa-sidebar-nav li a.active { color: var(--primary); background: var(--primary-light); border-left-color: var(--primary); font-weight: 600; }
.xa-sidebar-nav li a i { width: 18px; text-align: center; font-size: 0.9rem; }
.xa-sidebar-section { padding: 16px 20px 6px; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--text-light); }

.xa-main { flex: 1; padding: 32px; overflow-x: auto; min-width: 0; }
.xa-main-header { margin-bottom: 28px; }
.xa-main-header h1 { font-size: 1.5rem; font-weight: 700; margin: 0 0 4px; }
.xa-main-header p { color: var(--text-muted); font-size: 0.875rem; margin: 0; }

@media (max-width: 768px) {
    .xa-sidebar { display: none; }
    .xa-main { padding: 20px 16px; }
}

/* --- Hero Section --- */
.xa-hero {
    background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 100%);
    color: #fff;
    padding: 100px 20px 80px;
    text-align: center;
}
.xa-hero h1 { font-size: 2.5rem; font-weight: 800; margin: 0 0 16px; letter-spacing: -0.5px; }
.xa-hero p { font-size: 1.125rem; opacity: 0.9; max-width: 600px; margin: 0 auto 32px; }

@media (max-width: 768px) {
    .xa-hero { padding: 80px 16px 60px; }
    .xa-hero h1 { font-size: 1.75rem; }
}

/* --- Feature Cards --- */
.xa-features { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; padding: 0; }
.xa-feature {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: all var(--transition);
}
.xa-feature:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.xa-feature-icon { font-size: 2rem; margin-bottom: 16px; }
.xa-feature h3 { font-size: 1.1rem; font-weight: 600; margin: 0 0 8px; }
.xa-feature p { font-size: 0.875rem; color: var(--text-muted); margin: 0; }

/* --- Footer --- */
.xa-footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: 32px 20px;
    text-align: center;
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* --- Social Float --- */
.xa-social-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 999;
}
.xa-social-float a {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.4rem;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition);
}
.xa-social-float a:hover { transform: scale(1.1); }
.xa-social-float .telegram { background: #0088cc; }

/* --- Grid Helpers --- */
.xa-grid { display: grid; gap: 24px; }
.xa-grid-2 { grid-template-columns: repeat(2, 1fr); }
.xa-grid-3 { grid-template-columns: repeat(3, 1fr); }
.xa-grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 768px) { .xa-grid-2, .xa-grid-3, .xa-grid-4 { grid-template-columns: 1fr; } }

/* --- Slider --- */
.xa-slider { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); max-width: 900px; margin: 0 auto; }
.xa-slider img { width: 100%; height: 500px; object-fit: cover; display: none; transition: opacity 0.5s ease; }
.xa-slider img.active { display: block; }
@media (max-width: 768px) { .xa-slider img { height: 280px; } }

/* --- Utilities --- */
.xa-text-center { text-align: center; }
.xa-text-muted { color: var(--text-muted); }
.xa-mt-1 { margin-top: 8px; }
.xa-mt-2 { margin-top: 16px; }
.xa-mt-3 { margin-top: 24px; }
.xa-mb-1 { margin-bottom: 8px; }
.xa-mb-2 { margin-bottom: 16px; }
.xa-mb-3 { margin-bottom: 24px; }
.xa-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.xa-section { padding: 64px 20px; }