/* Hotspot student portal — dark by default, light on toggle. */

:root {
  --brand: #0054C0;
  --brand-2: #1E7BE8;
  --brand-3: #4BA3F5;
  --accent: #5CA5F5;

  --bg: #070A11;
  --surface: #111621;
  --surface-2: #0C111A;
  --line: #1E2634;
  --line-2: #232C3C;
  --text: #EAEFF7;
  --text-2: #7E8899;
  --text-3: #5C6678;

  --ok: #3DD68C;   --ok-bg: rgba(61,214,140,.12);
  --warn: #F5B544; --warn-bg: rgba(245,181,68,.12);
  --bad: #F87171;  --bad-bg: rgba(248,113,113,.12);
}

[data-theme="light"] {
  --bg: #F5F8FC;
  --surface: #FFFFFF;
  --surface-2: #F7F9FC;
  --line: #E3E9F2;
  --line-2: #D8E1ED;
  --text: #101828;
  --text-2: #667085;
  --text-3: #98A2B3;
  --accent: #0054C0;

  --ok: #067647;   --ok-bg: #ECFDF3;
  --warn: #B54708; --warn-bg: #FFFAEB;
  --bad: #B42318;  --bad-bg: #FEF3F2;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  transition: background .18s, color .18s;
}

.wrap { max-width: 400px; margin: 0 auto; padding: 22px 16px 44px; }

.topbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.logo { display: flex; align-items: center; gap: 8px; }
.logo span { font-size: 15px; font-weight: 600; letter-spacing: 1px; color: var(--text); }

.icon-btn {
  width: 32px; height: 32px; border-radius: 9px;
  background: var(--surface); border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--text-2); font-size: 15px;
}
.icon-btn:hover { color: var(--text); }

.avatar {
  width: 32px; height: 32px; border-radius: 9px; background: var(--surface);
  border: 1px solid var(--line); display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 600; color: var(--accent);
}

.hero-head {
  background: linear-gradient(150deg, var(--brand) 0%, var(--brand-2) 55%, var(--brand-3) 100%);
  border-radius: 16px 16px 0 0;
  padding: 24px 20px 28px;
  text-align: center;
}
.hero-head .name { margin: 8px 0 0; font-size: 17px; font-weight: 600; color: #fff; letter-spacing: 1.5px; }
.hero-head .tag  { margin: 4px 0 0; font-size: 12.5px; color: rgba(255,255,255,.82); }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px 18px;
  margin-bottom: 12px;
}
.card.joined { border-top: none; border-radius: 0 0 16px 16px; }

h1 { font-size: 19px; font-weight: 600; margin: 0 0 3px; }
h2 { font-size: 13px; font-weight: 500; margin: 0 0 11px; }
.sub { color: var(--text-2); font-size: 12.5px; margin: 0 0 18px; }

label { display: block; font-size: 11.5px; color: var(--text-2); margin-bottom: 5px; }

input, select {
  width: 100%; height: 42px; padding: 0 12px;
  background: var(--surface-2); border: 1px solid var(--line-2);
  border-radius: 9px; font-size: 14px; font-family: inherit; color: var(--text);
  margin-bottom: 12px; appearance: none;
}
input:focus, select:focus { outline: none; border-color: var(--brand-2); }
input::placeholder { color: var(--text-3); }

.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.hint { margin: -8px 0 12px; font-size: 11px; color: var(--text-3); }

.pw { position: relative; }
.pw input { padding-right: 56px; }
.pw .eye {
  position: absolute; right: 12px; top: 12px;
  cursor: pointer; color: var(--text-3); font-size: 12px;
  background: none; border: none; padding: 0;
}

.btn {
  display: block; width: 100%; height: 46px; border: none; border-radius: 23px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  color: #fff; font-size: 14.5px; font-weight: 500; font-family: inherit;
  cursor: pointer; text-align: center; line-height: 46px; text-decoration: none;
  margin-bottom: 9px;
}
.btn:hover { filter: brightness(1.08); }

.btn-ghost {
  background: none; border: 1px solid var(--line-2); color: var(--text-2);
  height: 44px; line-height: 44px; border-radius: 22px;
}
.btn-ghost:hover { color: var(--text); filter: none; }

.btn-sm { width: auto; height: 32px; line-height: 32px; padding: 0 14px; border-radius: 16px; font-size: 12.5px; margin: 0; }

.hero {
  background: linear-gradient(150deg, var(--brand) 0%, var(--brand-2) 60%, var(--brand-3) 100%);
  border-radius: 16px; padding: 20px; margin-bottom: 12px;
}
.hero .who  { margin: 0; font-size: 12.5px; color: rgba(255,255,255,.8); }
.hero .big  { margin: 12px 0 0; font-size: 50px; font-weight: 600; color: #fff; line-height: 1; }
.hero .lbl  { margin: 2px 0 0; font-size: 13px; color: rgba(255,255,255,.9); }
.hero .bar  { margin-top: 15px; height: 5px; border-radius: 3px; background: rgba(255,255,255,.25); overflow: hidden; }
.hero .bar i { display: block; height: 100%; background: #fff; }
.hero .meta { margin: 8px 0 0; font-size: 11.5px; color: rgba(255,255,255,.75); }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 12px; }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 13px 14px; }
.tile .v { margin: 0; font-size: 16px; font-weight: 600; }
.tile .k { margin: 1px 0 0; font-size: 11.5px; color: var(--text-2); }

.dev { display: flex; align-items: center; gap: 11px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.dev:last-of-type { border-bottom: none; }
.dev .n { flex: 1; min-width: 0; }
.dev .t { margin: 0; font-size: 13px; }
.dev .mac { margin: 2px 0 0; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11px; color: var(--text-3); }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); }

.alert { border-radius: 10px; padding: 11px 13px; font-size: 13px; margin-bottom: 14px; }
.alert.ok   { background: var(--ok-bg);   color: var(--ok); }
.alert.warn { background: var(--warn-bg); color: var(--warn); }
.alert.bad  { background: var(--bad-bg);  color: var(--bad); }

.creds { background: var(--surface-2); border: 1px solid var(--line-2); border-radius: 12px; padding: 16px 18px; margin-bottom: 16px; }
.creds .k { margin: 0; font-size: 11.5px; color: var(--text-2); }
.creds .row { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin: 3px 0 14px; }
.creds .row:last-child { margin-bottom: 0; }
.creds .v { margin: 0; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 18px; color: var(--accent); }
.copy { font-size: 11px; color: var(--accent); border: 1px solid var(--line-2); background: none; border-radius: 12px; padding: 3px 11px; cursor: pointer; }

.center { text-align: center; }
.muted { color: var(--text-2); font-size: 12.5px; }
a { color: var(--accent); text-decoration: none; }
.foot { text-align: center; margin-top: 20px; font-size: 12px; color: var(--text-3); }