:root {
  --bg: #f4f6fb;
  --card: #ffffff;
  --ink: #1b2333;
  --muted: #6b7487;
  --line: #e4e8f0;
  --primary: #2f5bea;
  --primary-dark: #2448c4;
  --success: #158a4c;
  --success-bg: #e8f7ef;
  --error: #c93030;
  --error-bg: #fdecec;
  --warn: #9a6700;
  --warn-bg: #fff6e0;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.5;
}

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

.container { max-width: 1080px; margin: 0 auto; padding: 24px 18px; }

.topbar {
  background: #101728;
  color: #fff;
  border-bottom: 3px solid var(--primary);
}
.topbar-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.topbar-brand {
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  text-decoration: none;
}
.topbar-nav { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.topbar-nav a { color: #cdd6ea; }
.user-email { color: #8d98b3; font-size: 13px; }

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 7px;
  background: var(--primary);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .5px;
}

.credits-pill {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.18);
  padding: 4px 11px;
  border-radius: 999px;
  font-size: 13px;
}
.credits-pill strong { color: #ffd76a; }

.auth-card {
  max-width: 400px;
  margin: 7vh auto;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 30px 28px;
  box-shadow: 0 12px 30px rgba(16,23,40,.07);
}
.auth-card h1 { margin: 0 0 6px; font-size: 22px; }
.brand { text-align: center; margin-bottom: 20px; }
.brand h1 { font-size: 20px; margin: 10px 0 4px; }
.brand .brand-mark { width: 44px; height: 44px; font-size: 17px; border-radius: 10px; }
.auth-footer { text-align: center; margin: 16px 0 0; }

label { display: block; font-weight: 600; font-size: 13px; margin: 14px 0 6px; }

input[type="text"], input[type="email"], input[type="password"], input[type="number"], select, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
  color: var(--ink);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(47,91,234,.14);
}

.btn {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none !important;
  transition: background .15s ease, border-color .15s ease;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-secondary:hover { border-color: #c7cedd; background: #f8fafd; }
.btn-danger { background: var(--error); color: #fff; }
.btn-ghost { color: #cdd6ea; border: 1px solid rgba(255,255,255,.2); background: transparent; }
.btn-ghost:hover { background: rgba(255,255,255,.08); }
.btn-block { width: 100%; margin-top: 20px; }
.btn-sm { padding: 6px 11px; font-size: 13px; }
.btn:disabled { opacity: .6; cursor: not-allowed; }

.alert {
  padding: 11px 14px;
  border-radius: 8px;
  font-size: 14px;
  margin: 14px 0;
  border: 1px solid transparent;
}
.alert-success { background: var(--success-bg); color: var(--success); border-color: #bfe8d0; }
.alert-error { background: var(--error-bg); color: var(--error); border-color: #f5c9c9; }
.alert-warning { background: var(--warn-bg); color: var(--warn); border-color: #f0dca8; }
.reset-link { margin-top: 8px; word-break: break-all; font-size: 13px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 22px;
  margin-bottom: 20px;
  box-shadow: 0 6px 18px rgba(16,23,40,.05);
}
.card h2 { margin: 0 0 4px; font-size: 17px; }
.card .subtitle { color: var(--muted); font-size: 13.5px; margin: 0 0 16px; }

.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
.page-head h1 { margin: 0; font-size: 21px; }
.page-head p { margin: 4px 0 0; color: var(--muted); font-size: 14px; }

.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }

.stat {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 20px;
}
.stat .label { color: var(--muted); font-size: 12.5px; text-transform: uppercase; letter-spacing: .6px; }
.stat .value { font-size: 27px; font-weight: 700; margin-top: 5px; }

table.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td { padding: 11px 12px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: middle; }
.table th { background: #f7f9fc; font-size: 12.5px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); }
.table tr:last-child td { border-bottom: none; }
.table-wrap { overflow-x: auto; }

.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge-green { background: var(--success-bg); color: var(--success); }
.badge-red { background: var(--error-bg); color: var(--error); }
.badge-amber { background: var(--warn-bg); color: var(--warn); }
.badge-grey { background: #eef1f6; color: var(--muted); }

.dropzone {
  border: 2px dashed #c7cedd;
  border-radius: 12px;
  background: #fbfcfe;
  padding: 36px 20px;
  text-align: center;
  transition: border-color .15s ease, background .15s ease;
}
.dropzone.dragover { border-color: var(--primary); background: #f2f6ff; }
.dropzone p { margin: 8px 0; color: var(--muted); }
.dropzone .hint { font-size: 12.5px; }

.progress-bar {
  height: 9px;
  background: #e8ecf4;
  border-radius: 999px;
  overflow: hidden;
  margin-top: 14px;
}
.progress-bar span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--primary), #6c8cff);
  transition: width .3s ease;
}

.muted { color: var(--muted); }
.small { font-size: 13px; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.text-right { text-align: right; }

.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
.actions .btn { flex: 1; min-width: 220px; text-align: center; }

.score-big { font-size: 34px; font-weight: 700; }

.cred-box {
  background: #f7f9fc;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 13.5px;
  margin-top: 10px;
}
.cred-box code { background: #fff; padding: 2px 6px; border-radius: 4px; border: 1px solid var(--line); }

.site-footer { border-top: 1px solid var(--line); padding: 18px 0; color: var(--muted); font-size: 13px; }
.site-footer p { margin: 0; }

@media (max-width: 640px) {
  .auth-card { margin: 4vh auto; padding: 24px 20px; }
  .actions .btn { min-width: 100%; }
}