/* Giao dien trang dang nhap / tai khoan - cung bang mau voi index.html */
:root {
  --red: #db2b29;
  --red-deep: #b01f1d;
  --red-soft: #fdecea;
  --ink: #1c1917;
  --ink-2: #57534e;
  --ink-3: #8a847e;
  --bg: #fffaf6;
  --surface: #ffffff;
  --line: #eee5dd;
  --ok-bg: #e8f7ee;
  --ok-ink: #146c3a;
  --shadow: 0 1px 2px rgba(28,25,23,.05), 0 24px 48px -20px rgba(28,25,23,.22);
}
@media (prefers-color-scheme: dark) {
  :root {
    --red: #f0514e;
    --red-deep: #db2b29;
    --red-soft: #3a1c1b;
    --ink: #f5f0eb;
    --ink-2: #c9c1b9;
    --ink-3: #958d86;
    --bg: #141110;
    --surface: #1f1b19;
    --line: #332c29;
    --ok-bg: #16301f;
    --ok-ink: #7ddc9f;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 24px 48px -20px rgba(0,0,0,.7);
  }
}
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; min-height: 100dvh; display: flex; flex-direction: column;
  background: var(--bg); color: var(--ink);
  font: 16px/1.6 "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: ""; position: fixed; inset: -20% -20% auto auto; width: 640px; height: 640px; z-index: -1;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--red) 18%, transparent), transparent);
  pointer-events: none;
}
a { color: var(--red); }
.top { padding: 18px 20px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 700; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }

main { flex: 1; display: grid; place-items: center; padding: 16px 16px 48px; }
.card {
  width: 100%; max-width: 420px; background: var(--surface); border: 1px solid var(--line);
  border-radius: 28px; padding: 36px 28px; box-shadow: var(--shadow); text-align: center;
}
.card .logo { width: 72px; height: 72px; border-radius: 18px; margin: 0 auto 18px; display: block; }
h1 { font-size: 26px; line-height: 1.25; margin: 0 0 8px; letter-spacing: -.015em; }
.cta { margin: 4px auto 14px; padding: 10px 16px; max-width: 420px; border-radius: 14px; background: var(--red-soft);
  color: var(--red-deep); font-weight: 700; font-size: 15px; line-height: 1.45; }
.cta b { color: var(--red); }
.sub { color: var(--ink-2); margin: 0 0 28px; }
.gbtn { display: flex; justify-content: center; min-height: 44px; }
.small { font-size: 13px; color: var(--ink-3); margin: 22px 0 0; }

.msg { border-radius: 14px; padding: 12px 14px; font-size: 14px; margin: 0 0 20px; text-align: left; }
.msg[hidden] { display: none; }
.msg.error { background: var(--red-soft); color: var(--red); }
.msg.ok { background: var(--ok-bg); color: var(--ok-ink); }
.msg.info { background: var(--bg); color: var(--ink-2); border: 1px solid var(--line); }

.avatar {
  width: 88px; height: 88px; border-radius: 50%; margin: 0 auto 14px; display: grid; place-items: center;
  background: var(--red); color: #fff; font-size: 34px; font-weight: 700; object-fit: cover;
  box-shadow: 0 0 0 4px var(--surface), 0 0 0 6px var(--red-soft);
}
.email { color: var(--ink-2); margin: 0 0 24px; word-break: break-all; }
dl { display: grid; grid-template-columns: auto 1fr; gap: 10px 16px; text-align: left; margin: 0 0 28px; padding: 18px; border-radius: 16px; background: var(--bg); border: 1px solid var(--line); font-size: 14px; }
dt { color: var(--ink-3); }
dd { margin: 0; font-weight: 600; text-align: right; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; width: 100%;
  padding: 12px 18px; border-radius: 14px; font: inherit; font-weight: 600; font-size: 15px;
  text-decoration: none; cursor: pointer; border: 1px solid var(--line); background: var(--surface); color: var(--ink);
}
.btn:hover { border-color: var(--red); color: var(--red); }
.actions { display: grid; gap: 10px; }
footer { text-align: center; font-size: 13px; color: var(--ink-3); padding: 0 16px 24px; }

/* Dang nhap bang mat khau */
.tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; padding: 4px; margin: 0 0 18px; border-radius: 14px; background: var(--bg); border: 1px solid var(--line); }
.tabs button { font: inherit; font-size: 14px; font-weight: 600; padding: 8px; border: 0; border-radius: 10px; background: transparent; color: var(--ink-2); cursor: pointer; }
.tabs button.on { background: var(--surface); color: var(--red); box-shadow: 0 1px 3px rgba(28,25,23,.12); }
.pw-form { display: grid; gap: 12px; text-align: left; }
.pw-form label { display: grid; gap: 4px; font-size: 13px; font-weight: 600; color: var(--ink-2); }
.pw-form label[hidden] { display: none; }
.pw-form input { font: inherit; font-size: 16px; padding: 11px 14px; border-radius: 12px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); }
.pw-form input:focus { outline: 2px solid color-mix(in srgb, var(--red) 40%, transparent); border-color: var(--red); }
.btn.primary { background: var(--red); border-color: var(--red); color: #fff; margin-top: 4px; }
.btn.primary:disabled { opacity: .6; cursor: default; }
.or { display: flex; align-items: center; gap: 10px; margin: 20px 0 16px; color: var(--ink-3); font-size: 13px; }
.or::before, .or::after { content: ""; flex: 1; height: 1px; background: var(--line); }