/* =========================================================
   DAVIDS — login.css
   Pantallas: login, recuperar/resetear contraseña
   ========================================================= */

:root {
  --navy-950: #071022;
  --navy-900: #0b1a33;
  --navy-700: #1b325f;
  --blue-700: #1d4ed8;
  --blue-600: #2563eb;
  --blue-500: #3b82f6;
  --blue-400: #60a5fa;
  --primary:  var(--blue-600);
  --primary-hover: var(--blue-700);
  --primary-ring: rgba(37, 99, 235, .18);
  --text:   #0f172a;
  --text-2: #475569;
  --muted:  #64748b;
  --muted-2:#94a3b8;
  --border: #cbd5e1;
  --red-bg: #fee2e2;
  --red-fg: #b91c1c;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font);
  background: var(--navy-950);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

button, input { font-family: inherit; }

/* ── Layout ──────────────────────────────────────────────── */
.auth {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 2rem 1rem;
}

.auth-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(900px 500px at 15% 10%, rgba(59, 130, 246, .35), transparent 60%),
    radial-gradient(700px 500px at 85% 90%, rgba(29, 78, 216, .35), transparent 60%),
    linear-gradient(160deg, var(--navy-900) 0%, var(--navy-950) 100%);
}

.auth-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}

/* ── Card ────────────────────────────────────────────────── */
.auth-card {
  position: relative;
  z-index: 1;
  background: #ffffff;
  border-radius: 20px;
  padding: 2.5rem 2.25rem 2rem;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 30px 80px rgba(0,0,0,.45), 0 0 0 1px rgba(255,255,255,.06);
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

/* ── Brand ───────────────────────────────────────────────── */
.brand {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  height: 56px;
  width: auto;
  object-fit: contain;
}

.brand-mark {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  color: #fff;
  font-weight: 800;
  font-size: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 24px rgba(37, 99, 235, .35);
}

.brand-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -.02em;
}

.brand-subtitle {
  font-size: .85rem;
  color: var(--muted);
  margin-top: -6px;
}

/* ── Form ────────────────────────────────────────────────── */
.form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-2);
}

.control {
  position: relative;
  display: flex;
  align-items: center;
}

.control i {
  position: absolute;
  left: 13px;
  color: var(--muted-2);
  font-size: .85rem;
  pointer-events: none;
  transition: color .15s;
}

.control:focus-within i { color: var(--primary); }

.control input {
  width: 100%;
  padding: 11px 12px 11px 38px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  font-size: .95rem;
  color: var(--text);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}

.control input::placeholder { color: var(--muted-2); }

.control input:focus {
  border-color: var(--blue-500);
  box-shadow: 0 0 0 4px var(--primary-ring);
}

/* ── Button ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 16px;
  margin-top: 4px;
  border-radius: 10px;
  border: none;
  background: var(--primary);
  color: #fff;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background .15s, transform .1s, box-shadow .15s;
  width: 100%;
  box-shadow: 0 6px 16px rgba(37, 99, 235, .3);
}

.btn:hover  { background: var(--primary-hover); box-shadow: 0 8px 20px rgba(37, 99, 235, .38); }
.btn:active { transform: translateY(1px); }

/* ── Alert ───────────────────────────────────────────────── */
.alert {
  padding: 10px 12px;
  border-radius: 10px;
  font-size: .85rem;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.alert-error {
  background: var(--red-bg);
  border: 1px solid #fca5a5;
  color: var(--red-fg);
}

/* ── Footer link ─────────────────────────────────────────── */
.foot {
  text-align: center;
  font-size: .85rem;
  color: var(--muted);
}

.foot a {
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
}

.foot a:hover { text-decoration: underline; }

.muted {
  font-size: .88rem;
  color: var(--muted);
  line-height: 1.55;
  text-align: center;
}