/* CR API HUB — Sky Blue / White Glass UI */
:root{
  --primary:#1877ff;
  --primary-2:#3b8dff;
  --primary-soft:#e8f1ff;
  --sky-1:#f2f7ff;
  --sky-2:#dfeaff;
  --ink:#0f172a;
  --ink-2:#334155;
  --muted:#64748b;
  --line:#e5edf7;
  --card:#ffffff;
  --bg:#f5f8ff;
  --success:#16a34a;
  --danger:#ef4444;
  --warning:#f59e0b;
  --shadow-sm:0 4px 14px rgba(24,119,255,.08);
  --shadow-md:0 12px 32px rgba(24,119,255,.10);
  --radius:16px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:'Hind Siliguri','Plus Jakarta Sans',system-ui,-apple-system,sans-serif;
  background:
    radial-gradient(1000px 500px at -10% -20%, #dcecff 0, transparent 60%),
    radial-gradient(900px 500px at 110% 10%, #e6f0ff 0, transparent 60%),
    var(--bg);
  color:var(--ink);
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-2)}

/* Layout */
.container{max-width:1180px;margin:0 auto;padding:0 18px}
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:1fr 1fr}.grid-2{grid-template-columns:1fr}}
@media(max-width:560px){.grid-4,.grid-3{grid-template-columns:1fr 1fr}}

/* Navbar */
.navbar{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.75);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.navbar .inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--ink)}
.brand .logo{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--primary-2));display:grid;place-items:center;color:#fff;font-weight:900;box-shadow:var(--shadow-sm)}
.brand small{background:var(--primary-soft);color:var(--primary);font-size:11px;font-weight:700;padding:3px 8px;border-radius:999px;margin-left:6px}
.nav-links{display:flex;gap:6px;align-items:center}
.nav-links a{padding:8px 14px;border-radius:10px;color:var(--ink-2);font-weight:600;font-size:14px}
.nav-links a.active,.nav-links a:hover{background:var(--primary-soft);color:var(--primary)}
@media(max-width:800px){.nav-links{display:none}}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:14px;padding:11px 18px;border-radius:12px;border:1px solid transparent;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s;text-decoration:none}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-md);color:#fff}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-ghost{background:transparent;color:var(--primary)}
.btn-danger{background:var(--danger);color:#fff}
.btn-success{background:var(--success);color:#fff}
.btn-block{width:100%}
.btn-sm{padding:7px 12px;font-size:13px;border-radius:10px}

/* Cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm)}
.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.card-header h3{margin:0;font-size:17px;font-weight:800;color:var(--ink)}
.card-glass{background:linear-gradient(135deg,rgba(255,255,255,.85),rgba(232,241,255,.7));backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.6)}

/* Stat card */
.stat{display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow-sm);transition:transform .2s}
.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.stat .ic{width:48px;height:48px;border-radius:12px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-size:22px;flex-shrink:0}
.stat .num{font-size:22px;font-weight:800;color:var(--ink);line-height:1.1}
.stat .lb{font-size:12px;color:var(--muted);font-weight:600;margin-top:2px}

/* Form */
.form-group{margin-bottom:14px}
.form-group label{display:block;font-weight:700;font-size:13px;color:var(--ink-2);margin-bottom:6px}
.form-control{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:#f7faff;font-size:14px;font-weight:500;color:var(--ink);outline:none;transition:.15s;font-family:inherit}
.form-control:focus{background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(24,119,255,.12)}
textarea.form-control{min-height:100px;resize:vertical}
select.form-control{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath fill='%2364748b' d='M5.5 7.5l4.5 5 4.5-5z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;background-size:18px;padding-right:36px}

/* Alerts */
.alert{padding:12px 14px;border-radius:12px;font-size:14px;font-weight:600;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.alert-danger{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}
.alert-success{background:#f0fdf4;color:#166534;border:1px solid #bbf7d0}
.alert-info{background:var(--primary-soft);color:var(--primary);border:1px solid #cfe0ff}

/* Table */
.table{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border-radius:12px;overflow:hidden;border:1px solid var(--line);font-size:14px}
.table th,.table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
.table th{background:#f4f8ff;color:var(--ink-2);font-weight:700;font-size:13px}
.table tbody tr:last-child td{border-bottom:none}
.table tbody tr:hover{background:#fafcff}
.badge{display:inline-block;padding:4px 10px;border-radius:999px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.3px}
.badge-success{background:#dcfce7;color:#166534}
.badge-danger{background:#fee2e2;color:#b91c1c}
.badge-warning{background:#fef3c7;color:#92400e}
.badge-info{background:var(--primary-soft);color:var(--primary)}

/* Splash */
.splash{position:fixed;inset:0;background:linear-gradient(135deg,#e8f1ff,#ffffff 60%);display:grid;place-items:center;z-index:9999}
.splash .box{text-align:center;animation:fadeUp .8s ease}
.splash .logo{width:96px;height:96px;border-radius:24px;background:linear-gradient(135deg,var(--primary),var(--primary-2));display:grid;place-items:center;color:#fff;font-size:38px;font-weight:900;margin:0 auto 18px;box-shadow:0 20px 40px rgba(24,119,255,.35);animation:pop 1s cubic-bezier(.2,.9,.4,1.1)}
.splash h1{margin:0;font-size:28px;font-weight:900;color:var(--ink);letter-spacing:-.5px}
.splash p{color:var(--muted);margin:6px 0 20px;font-weight:600}
.splash .dot-loader{display:inline-flex;gap:6px}
.splash .dot-loader span{width:10px;height:10px;border-radius:50%;background:var(--primary);animation:bounce 1.2s infinite}
.splash .dot-loader span:nth-child(2){animation-delay:.15s}
.splash .dot-loader span:nth-child(3){animation-delay:.3s}

/* Auth pages */
.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}
.auth-card{width:100%;max-width:440px}

/* Code block */
.code{background:#0b1220;color:#a7f3d0;font-family:'JetBrains Mono',monospace;font-size:13px;padding:14px 16px;border-radius:12px;overflow-x:auto;position:relative}
.code .copy{position:absolute;top:8px;right:8px;background:rgba(255,255,255,.08);color:#fff;border:none;padding:6px 10px;border-radius:8px;font-size:11px;cursor:pointer;font-weight:600}
.code .copy:hover{background:rgba(255,255,255,.16)}

/* Sidebar (admin) */
.layout{display:grid;grid-template-columns:260px 1fr;min-height:100vh}
.sidebar{background:#fff;border-right:1px solid var(--line);padding:22px 14px;position:sticky;top:0;height:100vh;overflow-y:auto}
.sidebar .brand{margin:6px 8px 22px}
.sidebar a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;color:var(--ink-2);font-weight:600;font-size:14px;margin-bottom:2px}
.sidebar a:hover{background:var(--primary-soft);color:var(--primary)}
.sidebar a.active{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff}
.main{padding:24px}
@media(max-width:900px){.layout{grid-template-columns:1fr}.sidebar{position:relative;height:auto;border-right:none;border-bottom:1px solid var(--line)}}

/* Progress */
.progress{height:8px;background:#eef2f7;border-radius:999px;overflow:hidden}
.progress > div{height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-2));border-radius:999px;transition:width .8s}

/* Animations */
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes pop{0%{transform:scale(.6);opacity:0}60%{transform:scale(1.06);opacity:1}100%{transform:scale(1)}}
@keyframes bounce{0%,80%,100%{transform:translateY(0);opacity:.5}40%{transform:translateY(-10px);opacity:1}}
.animate-fade{animation:fadeUp .5s ease both}

/* Utilities */
.text-muted{color:var(--muted)}
.text-primary{color:var(--primary)}
.text-center{text-align:center}
.mb-0{margin-bottom:0}.mb-1{margin-bottom:6px}.mb-2{margin-bottom:12px}.mb-3{margin-bottom:18px}.mb-4{margin-bottom:24px}
.mt-2{margin-top:12px}.mt-3{margin-top:18px}.mt-4{margin-top:24px}
.flex{display:flex;align-items:center;gap:10px}.between{justify-content:space-between}.wrap{flex-wrap:wrap}
.pill{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;background:var(--primary-soft);color:var(--primary);font-weight:700;font-size:12px}

/* Footer */
.footer{margin-top:60px;padding:24px 0;border-top:1px solid var(--line);color:var(--muted);text-align:center;font-size:13px}
.footer strong{color:var(--primary)}