/* 三角洲國際服查號 v3 - Apple Premium Design by Gemini + Claude */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root, [data-theme="light"] {
  --bg-body: #F5F5F7;
  --bg-surface: #FFFFFF;
  --bg-surface-glass: rgba(255,255,255,0.72);
  --text-primary: #1D1D1F;
  --text-secondary: #86868B;
  --text-tertiary: #AEAEB2;
  --border: rgba(0,0,0,0.08);
  --divider: rgba(0,0,0,0.05);
  --accent: #0071E3;
  --accent-hover: #0077ED;
  --success: #34C759; --success-bg: rgba(52,199,89,0.12);
  --warning: #FF9F0A; --warning-bg: rgba(255,159,10,0.12);
  --danger: #FF3B30; --danger-bg: rgba(255,59,48,0.12);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.06);
  --shadow-lg: 0 16px 40px rgba(0,0,0,0.08);
  --radius-sm: 8px; --radius-md: 12px; --radius-lg: 20px; --radius-full: 9999px;
  --transition: 0.2s cubic-bezier(0.2,0,0,1);
  --font: 'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
}

[data-theme="dark"] {
  --bg-body: #000000;
  --bg-surface: #1C1C1E;
  --bg-surface-glass: rgba(28,28,30,0.72);
  --text-primary: #F5F5F7;
  --text-secondary: #86868B;
  --text-tertiary: #48484A;
  --border: rgba(255,255,255,0.1);
  --divider: rgba(255,255,255,0.06);
  --accent: #2997FF;
  --accent-hover: #147CE5;
  --success-bg: rgba(52,199,89,0.15);
  --warning-bg: rgba(255,159,10,0.15);
  --danger-bg: rgba(255,59,48,0.15);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.6);
  --shadow-lg: none;
}

*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font);background:var(--bg-body);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;transition:background 0.4s ease,color 0.4s ease}
h1,h2,h3{letter-spacing:-0.02em}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:var(--radius-full)}
::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}

/* ── Auth Layout ──────────────────────────────────────── */
.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.auth-box{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:40px;width:100%;max-width:400px;backdrop-filter:blur(20px)}
.auth-box h1{font-size:32px;font-weight:700;margin-bottom:4px}
.auth-box .subtitle{color:var(--text-secondary);font-size:15px;margin-bottom:24px}

/* ── App Layout ───────────────────────────────────────── */
.app-layout{display:flex;height:100vh;overflow:hidden}
.sidebar{width:240px;background:var(--bg-surface-glass);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:20px 12px;flex-shrink:0;transition:background 0.3s}
.sidebar-brand{font-size:14px;font-weight:700;padding:8px 12px;margin-bottom:20px;color:var(--text-primary)}
.sidebar-brand span{font-weight:400;color:var(--text-secondary);display:block;font-size:11px;text-transform:uppercase;letter-spacing:0.5px;margin-top:2px}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-sm);color:var(--text-secondary);font-size:14px;font-weight:500;cursor:pointer;transition:all var(--transition);margin-bottom:2px;border:none;background:none;width:100%;text-align:left;font-family:var(--font)}
.nav-item:hover{background:var(--divider);color:var(--text-primary)}
.nav-item.active{background:var(--bg-surface);color:var(--text-primary);box-shadow:var(--shadow-sm);font-weight:600}
.nav-section{font-size:11px;text-transform:uppercase;letter-spacing:0.5px;color:var(--text-tertiary);padding:16px 12px 6px;font-weight:600}
.nav-spacer{flex:1}
.nav-user{padding:12px;border-top:1px solid var(--divider);margin-top:8px;font-size:13px;color:var(--text-secondary)}
.nav-user strong{display:block;color:var(--text-primary);font-weight:600}

.main{flex:1;overflow-y:auto;padding:32px 40px;scroll-behavior:smooth}
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.page-header h1{font-size:28px;font-weight:700}

/* ── Stats Grid ───────────────────────────────────────── */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:28px}
.stat-card{padding:20px;border-radius:var(--radius-lg);color:#fff;position:relative;overflow:hidden;transition:transform 0.3s cubic-bezier(0.175,0.885,0.32,1.275)}
.stat-card:hover{transform:translateY(-3px)}
.stat-card .label{font-size:13px;opacity:0.8;font-weight:500}
.stat-card .value{font-size:28px;font-weight:700;letter-spacing:-1px;margin-top:4px}
.g1{background:linear-gradient(135deg,#2c3e50,#3498db)}
.g2{background:linear-gradient(135deg,#434343,#000)}
.g3{background:linear-gradient(135deg,#c0392b,#e74c3c)}
.g4{background:linear-gradient(135deg,#1e3c72,#2a5298)}
[data-theme="dark"] .stat-card{border:1px solid rgba(255,255,255,0.08)}
[data-theme="dark"] .g2{background:linear-gradient(135deg,#2c2c2e,#3a3a3c)}

/* ── Cards ────────────────────────────────────────────── */
.content-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden;margin-bottom:24px;transition:background 0.3s}
.card-header{padding:16px 24px;border-bottom:1px solid var(--divider);display:flex;align-items:center;justify-content:space-between}
.card-header h3{font-size:16px;font-weight:600}
.card-body{padding:24px}

/* ── Form ─────────────────────────────────────────────── */
.input-group{margin-bottom:16px}
.input-group label{display:block;font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:6px}
input[type="text"],textarea{width:100%;padding:12px 16px;background:var(--bg-body);border:1px solid transparent;border-radius:var(--radius-md);color:var(--text-primary);font-family:var(--font);font-size:15px;transition:all var(--transition);outline:none;-webkit-appearance:none}
input[type="password"]{width:100%;padding:12px 16px;background:var(--bg-body);border:1px solid transparent;border-radius:var(--radius-md);color:var(--text-primary);font-family:var(--font);font-size:15px;transition:all var(--transition);outline:none;user-select:auto;-webkit-user-select:auto}
input:focus,textarea:focus{background:var(--bg-surface);border-color:var(--accent);box-shadow:0 0 0 4px rgba(0,113,227,0.12)}
textarea{resize:vertical;min-height:120px}
.pwd-wrap{position:relative}
.pwd-wrap input{padding-right:48px}
.pwd-toggle{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;color:var(--text-tertiary);font-size:13px;font-family:var(--font);padding:4px 6px;border-radius:4px}
.pwd-toggle:hover{color:var(--text-primary);background:var(--divider)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border:none;border-radius:var(--radius-full);font-size:14px;font-weight:600;font-family:var(--font);cursor:pointer;transition:all var(--transition)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover);transform:scale(1.02)}
.btn-secondary{background:var(--divider);color:var(--text-primary)}
.btn-secondary:hover{background:var(--border)}
.btn-danger{background:var(--danger-bg);color:var(--danger)}
.btn-sm{padding:6px 14px;font-size:13px}
.btn-block{width:100%}
.btn:disabled{opacity:0.4;cursor:not-allowed;transform:none}
.btn-text{background:none;border:none;color:var(--accent);font-size:13px;cursor:pointer;font-family:var(--font);font-weight:500;padding:4px}
.btn-text:hover{opacity:0.7}
.btn-ghost{background:none;border:1px solid var(--border);color:var(--text-primary);border-radius:var(--radius-sm);padding:6px 12px;font-size:13px;cursor:pointer;font-family:var(--font)}
.btn-ghost:hover{background:var(--divider)}

/* ── Table ────────────────────────────────────────────── */
.table-controls{padding:12px 24px;display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--divider)}
.table-controls input{flex:1;max-width:280px;padding:8px 14px;font-size:13px}
table{width:100%;border-collapse:collapse;text-align:left;font-size:14px}
th{padding:10px 24px;font-size:11px;text-transform:uppercase;letter-spacing:0.5px;color:var(--text-secondary);font-weight:600;border-bottom:1px solid var(--divider);background:var(--bg-body)}
td{padding:12px 24px;border-bottom:1px solid var(--divider)}
tbody tr{transition:background var(--transition)}
tbody tr:hover{background:var(--bg-body)}
.t-mono{font-family:'SF Mono','Fira Code',monospace;font-size:13px;letter-spacing:0.02em}

/* ── Status Pills ─────────────────────────────────────── */
.pill{display:inline-block;padding:3px 10px;border-radius:var(--radius-full);font-size:12px;font-weight:600}
.pill-normal{background:var(--success-bg);color:var(--success)}
.pill-banned{background:var(--danger-bg);color:var(--danger)}
.pill-permaban{background:#1D1D1F;color:#fff}
[data-theme="dark"] .pill-permaban{background:#F5F5F7;color:#000}
.pill-pending{background:var(--warning-bg);color:var(--warning)}
.pill-admin{background:var(--accent);color:#fff;font-size:11px}

/* ── Misc ─────────────────────────────────────────────── */
.msg{padding:12px 16px;border-radius:var(--radius-md);font-size:14px;margin-top:8px}
.msg-error{background:var(--danger-bg);color:var(--danger)}
.msg-success{background:var(--success-bg);color:var(--success)}
.divider{height:1px;background:var(--divider);margin:16px 0}
.hidden{display:none!important}
.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin 0.6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.fade-in{animation:fadeUp 0.3s ease forwards}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px) scale(0.99)}to{opacity:1;transform:none}}
.actions{display:flex;gap:12px;justify-content:flex-end;margin-top:16px}
.lang-switcher{display:flex;gap:4px}
.lang-btn{background:none;border:1px solid var(--border);border-radius:6px;padding:4px 10px;font-size:12px;cursor:pointer;color:var(--text-tertiary);font-family:var(--font);transition:all var(--transition)}
.lang-btn:hover{color:var(--text-primary);border-color:var(--text-tertiary)}
.lang-btn.active{color:var(--accent);border-color:var(--accent);background:rgba(0,113,227,0.06)}
.theme-btn{background:none;border:1px solid var(--border);border-radius:6px;padding:4px 10px;font-size:12px;cursor:pointer;color:var(--text-tertiary);font-family:var(--font)}
.theme-btn:hover{color:var(--text-primary)}
.copy-btn{cursor:pointer;color:var(--accent);font-size:12px;background:none;border:none;font-family:var(--font)}
.copy-btn:hover{opacity:0.7}
.empty-state{text-align:center;padding:48px 24px;color:var(--text-secondary);font-size:15px}
.tag{display:inline-block;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:600;background:var(--divider);color:var(--text-secondary)}
.footer-bar{display:flex;justify-content:center;gap:12px;padding:16px 0;margin-top:16px}

/* ── Mobile ───────────────────────────────────────────── */
@media(max-width:768px){
  .app-layout{flex-direction:column}
  .sidebar{width:100%;height:auto;flex-direction:row;overflow-x:auto;padding:8px;border-right:none;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
  .sidebar-brand,.nav-section,.nav-spacer,.nav-user{display:none}
  .nav-item{white-space:nowrap;font-size:13px;padding:8px 14px}
  .main{padding:20px 16px}
  .page-header h1{font-size:22px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .stat-card .value{font-size:22px}
  .card-body{padding:16px}
  th,td{padding:8px 12px}
}