:root {
  --bg: #0f1419;
  --card: #1a222c;
  --card-2: #232d39;
  --text: #f4f7fb;
  --muted: #9aa8b8;
  --accent: #3d9cf0;
  --ok: #2fbf71;
  --warn: #e6b325;
  --bad: #e25b4c;
  --radius: 16px;
  --tap: 56px;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  padding: env(safe-area-inset-top) 16px 24px;
}

.app { max-width: 480px; margin: 0 auto; }

.top {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  margin-bottom: 16px;
}

.back, .ghost {
  min-height: 44px;
  min-width: 44px;
  border: 0;
  border-radius: 12px;
  background: var(--card);
  color: var(--text);
  font-size: 16px;
  padding: 0 14px;
}

h1 { font-size: 22px; margin: 0; flex: 1; }
.sub { color: var(--muted); margin: 0 0 16px; font-size: 14px; }

.stack { display: flex; flex-direction: column; gap: 12px; }

.btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--tap);
  padding: 0 18px;
  border: 0;
  border-radius: var(--radius);
  background: var(--card);
  color: var(--text);
  font-size: 18px;
  font-weight: 600;
  text-align: left;
  width: 100%;
}
.btn:active { transform: scale(0.99); background: var(--card-2); }
.btn small { font-weight: 500; color: var(--muted); font-size: 13px; }

.badge {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 999px;
}
.badge.correcto { background: rgba(47,191,113,.18); color: var(--ok); }
.badge.incorrecto { background: rgba(226,91,76,.18); color: var(--bad); }
.badge.agendado { background: rgba(230,179,37,.18); color: var(--warn); }

.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 16px;
}

label { display: block; color: var(--muted); font-size: 13px; margin: 14px 0 6px; }
input, select {
  width: 100%;
  min-height: var(--tap);
  border-radius: 12px;
  border: 1px solid #334155;
  background: #0f1419;
  color: var(--text);
  font-size: 18px;
  padding: 0 14px;
}

.primary {
  margin-top: 20px;
  min-height: var(--tap);
  width: 100%;
  border: 0;
  border-radius: var(--radius);
  background: var(--accent);
  color: #061018;
  font-size: 18px;
  font-weight: 700;
}

.msg { color: var(--bad); min-height: 22px; margin-top: 8px; font-size: 14px; }
.okmsg { color: var(--ok); }
.hidden { display: none !important; }

.login-wrap {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.login-wrap h1 { font-size: 28px; margin-bottom: 8px; }