/* ── Reset & Variables ─────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#6366f1;--primary-h:#4f46e5;--primary-light:#eef2ff;
  --danger:#ef4444;--danger-h:#dc2626;
  --success:#22c55e;--warning:#f59e0b;--orange:#f97316;
  --sidebar-bg:#0f172a;--sidebar-text:#94a3b8;--sidebar-active:#fff;
  --sidebar-w:240px;
  --bg:#f1f5f9;--card:#fff;--border:#e2e8f0;
  --text:#1e293b;--muted:#64748b;
  --radius:10px;--shadow:0 1px 4px rgba(0,0,0,.07);
  --shadow-md:0 4px 16px rgba(0,0,0,.1);
}

body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}

/* ── Sidebar Layout ────────────────────────────────────── */
.has-sidebar{display:grid;grid-template-columns:var(--sidebar-w) 1fr;min-height:100vh}

.sidebar{background:var(--sidebar-bg);color:var(--sidebar-text);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto}
.sidebar-brand{padding:1.5rem 1.25rem 1rem;font-size:1.05rem;font-weight:700;color:#fff;border-bottom:1px solid rgba(255,255,255,.07)}
.sidebar-brand a{color:#fff;text-decoration:none}
.sidebar-nav{flex:1;padding:.75rem .75rem;display:flex;flex-direction:column;gap:.15rem}
.sidebar-nav a{display:flex;align-items:center;gap:.65rem;padding:.6rem .85rem;border-radius:8px;color:var(--sidebar-text);font-size:.9rem;transition:background .15s,color .15s;text-decoration:none}
.sidebar-nav a svg{width:18px;height:18px;fill:currentColor;flex-shrink:0}
.sidebar-nav a:hover{background:rgba(255,255,255,.07);color:#e2e8f0;text-decoration:none}
.sidebar-nav a.active{background:var(--primary);color:#fff}
.sidebar-sep{padding:.75rem .85rem .25rem;font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:#475569}
.sidebar-footer{padding:1rem 1.25rem;border-top:1px solid rgba(255,255,255,.07);display:flex;align-items:center;justify-content:space-between;font-size:.82rem}
.sidebar-footer span{color:#e2e8f0;font-weight:500}
.sidebar-footer a{color:var(--sidebar-text);font-size:.8rem}
.sidebar-footer a:hover{color:#fff}

/* ── Topbar (non-authed) ───────────────────────────────── */
.topbar{background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 1.5rem;height:56px;box-shadow:var(--shadow)}
.topbar-brand{font-size:1.1rem;font-weight:700;color:var(--primary)}
.topbar-nav{display:flex;align-items:center;gap:.75rem}
.topbar-nav a{font-size:.9rem;color:var(--muted)}
.topbar-nav a:hover{color:var(--primary);text-decoration:none}

/* ── Main Content ──────────────────────────────────────── */
.main{padding:2rem;min-height:100vh}
.main.center{max-width:100%;padding:0;display:flex;align-items:center;justify-content:center;min-height:100vh}

/* ── Alerts ────────────────────────────────────────────── */
.alert{padding:.75rem 1rem;border-radius:var(--radius);margin-bottom:1.25rem;font-size:.9rem}
.alert.success{background:#dcfce7;color:#166534;border:1px solid #bbf7d0}
.alert.danger {background:#fee2e2;color:#991b1b;border:1px solid #fecaca}
.alert.warning{background:#fef9c3;color:#854d0e;border:1px solid #fde68a}

/* ── Page Header ───────────────────────────────────────── */
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem}
.page-header h1{font-size:1.4rem;font-weight:700}

/* ── Cards ─────────────────────────────────────────────── */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow);margin-bottom:1.25rem}
.card h3{font-size:1rem;font-weight:600;color:var(--muted);margin-bottom:1rem}

/* ── Buttons ───────────────────────────────────────────── */
.btn-primary{display:inline-flex;align-items:center;gap:.35rem;background:var(--primary);color:#fff;padding:.55rem 1.1rem;border-radius:8px;border:none;cursor:pointer;font-size:.9rem;font-weight:500;transition:background .15s;text-decoration:none}
.btn-primary:hover{background:var(--primary-h);color:#fff;text-decoration:none}
.btn-primary.full{width:100%;justify-content:center;padding:.65rem}
.btn-sec{display:inline-flex;align-items:center;background:#f1f5f9;color:var(--text);padding:.55rem 1.1rem;border-radius:8px;border:1px solid var(--border);cursor:pointer;font-size:.9rem;font-weight:500;transition:background .15s;text-decoration:none}
.btn-sec:hover{background:#e2e8f0;text-decoration:none}
.btn-sm{display:inline-flex;align-items:center;padding:.28rem .65rem;border-radius:6px;border:1px solid var(--border);background:#f8fafc;color:var(--text);font-size:.78rem;cursor:pointer;transition:background .12s;text-decoration:none;white-space:nowrap}
.btn-sm:hover{background:#e2e8f0}
.btn-sm.danger{border-color:#fecaca;background:#fff5f5;color:var(--danger)}
.btn-sm.danger:hover{background:#fee2e2}
.btn-link{font-size:.75rem;color:var(--primary)}
.btn-copy{padding:.2rem .5rem;font-size:.72rem;background:var(--bg);border:1px solid var(--border);border-radius:5px;cursor:pointer;margin-left:.35rem;color:var(--muted)}
.btn-copy:hover{background:var(--border)}

/* ── Forms ─────────────────────────────────────────────── */
.form-card{max-width:560px}
label{display:flex;flex-direction:column;gap:.3rem;font-size:.88rem;font-weight:500;margin-bottom:.85rem}
input[type=text],input[type=email],input[type=password],input[type=url],input[type=datetime-local],select{
  padding:.55rem .85rem;border:1px solid var(--border);border-radius:8px;font-size:.92rem;width:100%;
  background:#fff;transition:border .15s,box-shadow .15s
}
input:focus,select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(99,102,241,.12)}
.req{color:var(--danger)}
small{color:var(--muted);font-size:.78rem;font-weight:400}
.input-pfx{display:flex;border:1px solid var(--border);border-radius:8px;overflow:hidden;background:#fff}
.input-pfx span{padding:.55rem .7rem;background:var(--bg);color:var(--muted);font-size:.8rem;white-space:nowrap;border-right:1px solid var(--border)}
.input-pfx input{border:none;border-radius:0;flex:1}
.input-pfx input:focus{box-shadow:none}
.form-group{margin-bottom:.85rem}
.field-label{display:block;font-size:.88rem;font-weight:500;margin-bottom:.4rem}
.radio-group{display:flex;flex-direction:column;gap:.5rem}
.radio{display:flex;align-items:center;gap:.5rem;font-size:.88rem;font-weight:400;cursor:pointer;margin-bottom:0;flex-wrap:wrap}
.radio input[type=radio]{width:auto}
.radio select,.radio input[type=datetime-local]{padding:.3rem .6rem;font-size:.85rem;width:auto}
.radio select:disabled,.radio input:disabled{opacity:.4;cursor:not-allowed}
.form-actions{display:flex;gap:.65rem;margin-top:.5rem}

/* ── Table ─────────────────────────────────────────────── */
.table-wrap{overflow-x:auto}
.table{width:100%;border-collapse:collapse;font-size:.86rem}
.table th{background:var(--bg);text-align:left;padding:.6rem .85rem;font-weight:600;color:var(--muted);border-bottom:1px solid var(--border);white-space:nowrap}
.table td{padding:.65rem .85rem;border-bottom:1px solid var(--border);vertical-align:middle}
.table tr:last-child td{border-bottom:none}
.table tr:hover td{background:#fafbfc}
.td-short a,.td-short span{font-size:.82rem}
.td-orig{max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted)}
.td-act{display:flex;gap:.35rem;align-items:center;flex-wrap:wrap}
.row-dim td{opacity:.5}
.line-through{text-decoration:line-through;color:var(--muted)}

/* ── Badges ────────────────────────────────────────────── */
.badge{display:inline-block;padding:.15rem .5rem;border-radius:999px;font-size:.73rem;font-weight:600;white-space:nowrap}
.badge.green {background:#dcfce7;color:#166534}
.badge.yellow{background:#fef9c3;color:#854d0e}
.badge.orange{background:#ffedd5;color:#9a3412}
.badge.red   {background:#fee2e2;color:#991b1b}
.badge.gray  {background:#f1f5f9;color:#64748b}

/* ── Stat Cards (Admin) ────────────────────────────────── */
.stat-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1rem;margin-bottom:1.5rem}
.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem 1.5rem;box-shadow:var(--shadow)}
.stat-card .sn{display:block;font-size:2rem;font-weight:700;color:var(--primary)}
.stat-card span{font-size:.82rem;color:var(--muted)}

/* ── Pagination ────────────────────────────────────────── */
.pager{display:flex;align-items:center;flex-wrap:wrap;gap:.3rem;margin-top:1.25rem}
.pg-btn{display:inline-block;padding:.32rem .7rem;border:1px solid var(--border);border-radius:7px;font-size:.82rem;color:var(--text);background:var(--card);text-decoration:none;transition:background .12s,border-color .12s}
.pg-btn:hover{background:var(--bg);border-color:var(--primary);text-decoration:none}
.pg-btn.on{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}
.pg-btn.off{color:var(--muted);cursor:default;pointer-events:none}
.pg-dot{color:var(--muted);padding:0 .2rem;font-size:.82rem}
.pg-info{margin-left:auto;font-size:.8rem;color:var(--muted)}

/* ── Auth Card (legacy) ────────────────────────────────── */
.auth-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:2.25rem;width:100%;max-width:420px;box-shadow:var(--shadow-md)}
.auth-card h2{font-size:1.4rem;font-weight:700;margin-bottom:1.25rem}
.auth-link{margin-top:1rem;font-size:.85rem;color:var(--muted);text-align:center}
.cap-row{display:flex;align-items:center;gap:.65rem}
.cap-row img{border:1px solid var(--border);border-radius:6px;cursor:pointer;height:40px}
.cap-row input{flex:1}

/* ── Hero ──────────────────────────────────────────────── */
.hero{text-align:center;padding:3rem 1.5rem;max-width:640px}
.hero h1{font-size:2.2rem;font-weight:800;margin-bottom:.6rem;background:linear-gradient(135deg,var(--primary),#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{color:var(--muted);margin-bottom:2rem;font-size:1.05rem}
.hero-form{display:flex;gap:.5rem;margin-bottom:1rem}
.hero-form input{flex:1;padding:.7rem 1rem;border:1px solid var(--border);border-radius:8px;font-size:.95rem;background:#fff}
.hero-form button{padding:.7rem 1.4rem;background:var(--primary);color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:.95rem;font-weight:500;white-space:nowrap}
.hero-form button:hover{background:var(--primary-h)}
.hero-hint{font-size:.85rem;color:var(--muted)}

/* ── Empty State ───────────────────────────────────────── */
.empty-state{text-align:center;padding:4rem 2rem;color:var(--muted)}
.empty-state p{margin:.5rem 0 1.5rem;font-size:1rem}

/* ── Stats Page ────────────────────────────────────────── */
.stats-meta{display:flex;flex-direction:column;gap:.6rem}
.meta-row{display:flex;align-items:baseline;gap:.75rem;font-size:.9rem}
.meta-row>span:first-child{font-weight:600;color:var(--muted);width:90px;flex-shrink:0;font-size:.82rem}
.big-num{font-size:1.5rem;font-weight:700;color:var(--primary)}
.muted{color:var(--muted);font-size:.85rem}
.chart-box{position:relative;height:220px}
.chart-box.sm{height:180px}

/* ── Stats Columns: 3-column layout (FIXED) ───────────── */
.stats-cols{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1.25rem}
@media(max-width:900px){.stats-cols{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.stats-cols{grid-template-columns:1fr}}

.mini-tbl{width:100%;border-collapse:collapse;font-size:.83rem}
.mini-tbl th{color:var(--muted);font-weight:600;padding:.3rem .4rem;text-align:left;border-bottom:1px solid var(--border)}
.mini-tbl td{padding:.35rem .4rem;border-bottom:1px solid var(--border)}
.mini-tbl tr:last-child td{border-bottom:none}
.mini-bar{height:7px;background:var(--primary);border-radius:4px;opacity:.7;min-width:3px}
.muted-p{color:var(--muted);font-size:.85rem;padding:.5rem 0}

/* ── Settings Toggle ───────────────────────────────────── */
.setting-row{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.5rem 0}
.toggle{position:relative;display:inline-block;width:48px;height:26px;flex-shrink:0;margin-bottom:0}
.toggle input{opacity:0;width:0;height:0}
.tog-sl{position:absolute;inset:0;background:#cbd5e1;border-radius:999px;cursor:pointer;transition:background .2s}
.tog-sl::before{content:'';position:absolute;width:20px;height:20px;left:3px;top:3px;background:#fff;border-radius:50%;transition:transform .2s;box-shadow:0 1px 3px rgba(0,0,0,.2)}
.toggle input:checked+.tog-sl{background:var(--primary)}
.toggle input:checked+.tog-sl::before{transform:translateX(22px)}

/* ── Responsive ────────────────────────────────────────── */
@media(max-width:768px){
  .has-sidebar{grid-template-columns:1fr}
  .sidebar{display:none}
  .hero-form{flex-direction:column}
  .stat-cards{grid-template-columns:1fr 1fr}
}