:root {
  --navy: #10263f;
  --navy-2: #1a3a5c;
  --primary: #1f6feb;
  --primary-dark: #175bc4;
  --bg: #f4f6f9;
  --card: #ffffff;
  --text: #1c2733;
  --muted: #67788a;
  --border: #dde4ec;
  --ok: #1a7f4b;
  --ok-bg: #e5f6ed;
  --warn: #9a6700;
  --warn-bg: #fff5db;
  --danger: #c9372c;
  --danger-bg: #fdeceb;
  --info-bg: #e8f1fd;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(16, 38, 63, .08), 0 4px 14px rgba(16, 38, 63, .05);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 20px; }

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

code {
  background: #eef2f7;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: .9em;
}

h1 { font-size: 1.5rem; margin: 0 0 6px; letter-spacing: -.01em; }
h2 { font-size: 1.05rem; margin: 0 0 8px; }
p { margin: 0 0 10px; }

.muted { color: var(--muted); font-size: .92em; }
.hint { display: block; color: var(--muted); font-size: .85em; margin-top: 5px; }
.lead { font-size: 1.05rem; color: var(--muted); }
.center { text-align: center; }

/* Topbar */
.topbar {
  background: var(--navy);
  color: #fff;
  box-shadow: 0 1px 0 rgba(0, 0, 0, .15);
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; min-height: 58px; gap: 16px; flex-wrap: wrap; padding-top: 8px; padding-bottom: 8px; }
.brand { color: #fff; font-weight: 800; font-size: 1.1rem; letter-spacing: .06em; }
.brand span { color: #7fb2ff; font-weight: 500; margin-left: 6px; letter-spacing: .02em; }
.brand:hover { text-decoration: none; }
.topnav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.topnav a {
  color: #cdd9e6; padding: 7px 12px; border-radius: 7px; font-size: .93rem; font-weight: 500;
}
.topnav a:hover { background: rgba(255, 255, 255, .09); color: #fff; text-decoration: none; }
.topnav a.active { background: rgba(255, 255, 255, .14); color: #fff; }
.nav-form { display: inline; margin-left: 4px; }

/* Layout */
.main { flex: 1; padding-top: 28px; padding-bottom: 48px; }
.footer { padding: 18px 0; color: var(--muted); font-size: .85rem; border-top: 1px solid var(--border); background: #fff; }

/* Cards */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 20px;
}
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.card-head h2 { margin: 0; }
.card-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.card-narrow { max-width: 560px; }
.card .stack > * + * { margin-top: 14px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 16px; border-radius: 8px; border: 1px solid var(--border);
  background: #fff; color: var(--text); font-size: .93rem; font-weight: 600;
  cursor: pointer; line-height: 1.2; transition: background .15s, border-color .15s;
  text-decoration: none; white-space: nowrap;
}
.btn:hover { background: #f2f5f9; text-decoration: none; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover { background: #ab2b21; border-color: #ab2b21; }
.btn-ghost { background: transparent; border-color: rgba(255, 255, 255, .35); color: #fff; }
.btn-ghost:hover { background: rgba(255, 255, 255, .12); }
.btn-block { width: 100%; }
.btn-sm { padding: 6px 11px; font-size: .85rem; }
.btn-link {
  background: none; border: none; padding: 0; color: var(--primary);
  font: inherit; font-size: .93rem; font-weight: 600; cursor: pointer;
}
.btn-link:hover { text-decoration: underline; }
.inline { display: inline; }
.form-actions { display: flex; gap: 10px; justify-content: flex-end; align-items: center; flex-wrap: wrap; }

/* Forms */
.field label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 6px; }
input[type="text"], input[type="email"], input[type="password"], input[type="search"],
input[type="file"], select, textarea {
  width: 100%; padding: 10px 12px; font: inherit; color: var(--text);
  background: #fff; border: 1px solid #c7d1dd; border-radius: 8px; outline: none;
  transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(31, 111, 235, .15);
}
input:disabled { background: #f1f4f8; color: var(--muted); }
.input-row { display: flex; align-items: stretch; }
.input-row input { border-top-left-radius: 0; border-bottom-left-radius: 0; }
.input-prefix {
  display: inline-flex; align-items: center; padding: 0 12px;
  background: #eef2f7; border: 1px solid #c7d1dd; border-right: none;
  border-radius: 8px 0 0 8px; color: var(--muted); font-size: .93rem; white-space: nowrap;
}
.input-row .btn { border-radius: 0 8px 8px 0; }
.inline form { display: inline; }

/* Alerts */
.alert {
  padding: 12px 16px; border-radius: 8px; margin-bottom: 16px;
  font-size: .93rem; border: 1px solid transparent; font-weight: 500;
}
.alert-success { background: var(--ok-bg); color: var(--ok); border-color: #bfe8d2; }
.alert-error { background: var(--danger-bg); color: var(--danger); border-color: #f5c6c2; }
.alert-warning { background: var(--warn-bg); color: var(--warn); border-color: #f2dfa8; }
.alert-info { background: var(--info-bg); color: var(--primary-dark); border-color: #c5dbfa; }

/* Hero / landing */
.hero { max-width: 640px; margin: 8vh auto 0; }
.hero-card { padding: 36px; text-align: center; }
.hero-login { margin-top: 26px; text-align: left; }
.hero-login label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 6px; }
.hero-login .hint { text-align: center; margin-top: 12px; }
.hero-foot { text-align: center; margin-top: 18px; }

/* Auth pages */
.auth-wrap { display: flex; justify-content: center; padding-top: 6vh; }
.auth-card { width: 100%; max-width: 420px; padding: 30px; }
.auth-head { text-align: center; margin-bottom: 22px; }
.auth-foot {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border);
  font-size: .9rem; flex-wrap: wrap;
}
.avatar {
  display: inline-flex; align-items: center; justify-content: center;
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--navy); color: #fff; font-size: 1.4rem; font-weight: 700; margin-bottom: 10px;
}
.error-code { font-size: 3rem; font-weight: 800; color: var(--border); line-height: 1; margin-bottom: 8px; }

/* Portal */
.portal-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; margin-bottom: 18px;
}
.portal-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.portal-actions .btn:not(.btn-ghost) { background: #fff; }
.tag {
  display: inline-block; vertical-align: middle; font-size: .72rem; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase; background: var(--info-bg);
  color: var(--primary-dark); padding: 4px 9px; border-radius: 999px; margin-left: 8px;
}

/* Tables */
.table-card { padding: 0; overflow: hidden; }
.table-toolbar {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 16px; border-bottom: 1px solid var(--border); background: #fafbfd;
}
.table-toolbar input { max-width: 340px; }
.table-scroll { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.data-table th, .data-table td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
.data-table th {
  background: #f7f9fc; font-size: .78rem; text-transform: uppercase;
  letter-spacing: .05em; color: var(--muted); position: sticky; top: 0;
}
.data-table tbody tr:hover { background: #f8fafd; }
.data-table tbody tr:last-child td { border-bottom: none; }
.row-actions { display: flex; gap: 6px; justify-content: flex-end; }

/* Pills / stats */
.pill {
  display: inline-block; padding: 3px 10px; border-radius: 999px;
  font-size: .78rem; font-weight: 700;
}
.pill-ok { background: var(--ok-bg); color: var(--ok); }
.pill-warn { background: var(--warn-bg); color: var(--warn); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 20px; }
.stat { text-align: center; padding: 22px 16px; margin-bottom: 0; }
.stat-num { display: block; font-size: 2.1rem; font-weight: 800; color: var(--navy); line-height: 1.1; }
.stat-label { display: block; color: var(--muted); font-size: .87rem; margin-top: 4px; }

/* Page head / grids */
.page-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 14px; flex-wrap: wrap; margin-bottom: 18px;
}
.page-head h1 { margin-bottom: 2px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-2 .card { margin-bottom: 20px; }

.link-list { list-style: none; margin: 0; padding: 0; }
.link-list li { padding: 9px 0; border-bottom: 1px solid var(--border); display: flex; gap: 10px; align-items: center; }
.link-list li:last-child { border-bottom: none; }

.empty-state { text-align: center; padding: 46px 20px; }
.danger-zone { border-color: #f0c4c0; }
.danger-zone h2 { color: var(--danger); }

/* Responsive */
@media (max-width: 860px) {
  .grid-2 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .hero { margin-top: 3vh; }
  .hero-card { padding: 24px 18px; }
  .input-row { flex-wrap: wrap; }
  .input-prefix { border-radius: 8px 8px 0 0; border-right: 1px solid #c7d1dd; width: 100%; }
  .input-row input { border-radius: 0 0 8px 8px; border-top: none; }
  .input-row .btn { width: 100%; border-radius: 0 0 8px 8px; margin-top: 8px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .portal-actions { width: 100%; }
  .data-table th, .data-table td { padding: 9px 10px; }
}