:root {
  --navy: #0b2545;
  --navy-2: #13315c;
  --accent: #1f9e8f;
  --accent-dark: #17877a;
  --bg: #f3f5f8;
  --card: #ffffff;
  --text: #1c2533;
  --muted: #5d6b7e;
  --border: #d6dde6;
  --error-bg: #fdecec;
  --error: #b42318;
  --ok-bg: #e7f6f1;
  --ok: #146c5b;
  --radius: 12px;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--text);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
}

/* ---------- pantallas de acceso ---------- */

.auth {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px 16px;
  background:
    radial-gradient(circle at 15% 10%, rgba(31, 158, 143, .25), transparent 45%),
    linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 100%);
}

.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--card);
  border-radius: var(--radius);
  padding: 36px 28px 28px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, .25);
}

.brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  text-align: center;
}

.brand img { width: 56px; height: 56px; }

.brand h1 {
  margin: 0;
  font-size: 1.6rem;
  letter-spacing: -.02em;
  color: var(--navy);
}

.brand p { margin: 0; color: var(--muted); font-size: .92rem; }

h2 { margin: 0 0 6px; font-size: 1.15rem; color: var(--navy); }
.lead { margin: 0 0 20px; color: var(--muted); font-size: .92rem; line-height: 1.45; }

.field { margin-bottom: 16px; }

label {
  display: block;
  margin-bottom: 6px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--navy);
}

input {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  transition: border-color .15s, box-shadow .15s;
}

input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(31, 158, 143, .2);
}

.password-wrap { position: relative; }
.password-wrap input { padding-right: 76px; }

.toggle-pass {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  border: 0;
  background: none;
  color: var(--accent-dark);
  font: inherit;
  font-size: .82rem;
  font-weight: 600;
  padding: 6px 8px;
  cursor: pointer;
}

.row-end { display: flex; justify-content: flex-end; margin: -4px 0 20px; }

a { color: var(--accent-dark); font-weight: 600; text-decoration: none; font-size: .9rem; }
a:hover { text-decoration: underline; }

.btn {
  width: 100%;
  padding: 13px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: background .15s;
}

.btn:hover { background: var(--accent-dark); }
.btn:disabled { opacity: .6; cursor: wait; }

.btn-outline {
  width: auto;
  padding: 8px 14px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .5);
  font-size: .9rem;
}
.btn-outline:hover { background: rgba(255, 255, 255, .12); }

.alert {
  display: none;
  padding: 11px 14px;
  border-radius: 8px;
  font-size: .9rem;
  margin-bottom: 16px;
  line-height: 1.4;
}
.alert.show { display: block; }
.alert.error { background: var(--error-bg); color: var(--error); }
.alert.ok { background: var(--ok-bg); color: var(--ok); }

.back { display: block; text-align: center; margin-top: 20px; }
.hint { font-size: .8rem; color: var(--muted); margin-top: 6px; }
.footer-note { text-align: center; color: var(--muted); font-size: .78rem; margin-top: 24px; }

/* ---------- panel ---------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 20px;
  background: var(--navy);
  color: #fff;
}

.topbar .logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; }
.topbar .logo img { width: 32px; height: 32px; }
.topbar .user { display: flex; align-items: center; gap: 12px; font-size: .9rem; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--accent);
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.main { max-width: 1000px; margin: 0 auto; padding: 28px 16px; }
.main h2 { font-size: 1.4rem; margin-bottom: 4px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.tile {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.tile h3 { margin: 0 0 6px; font-size: 1rem; color: var(--navy); }
.tile p { margin: 0; color: var(--muted); font-size: .88rem; line-height: 1.4; }
.tile .soon { margin-top: 12px; font-size: .75rem; color: var(--accent-dark); font-weight: 600; }

.modules { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

.module {
  display: block;
  padding: 24px;
  color: inherit;
  text-decoration: none;
  transition: border-color .15s, box-shadow .15s, transform .15s;
}
.module:hover {
  text-decoration: none;
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(11, 37, 69, .1);
  transform: translateY(-2px);
}
.module h3 { font-size: 1.15rem; }

.module-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin-bottom: 14px;
  border-radius: 10px;
  background: rgba(31, 158, 143, .12);
}
.module-icon svg {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: var(--accent-dark);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

@media (max-width: 520px) {
  .topbar .user .name { display: none; }
}