/* Estilos del login. Es una página pública: no depende de styles.css. */

:root {
  --bg: #f4f5f8;
  --card: #ffffff;
  --input-bg: #ffffff;
  --border: #e2e5ea;
  --text: #14161a;
  --muted: #6b7280;
  --accent: #d93f0e;
  --accent-suave: rgba(255, 74, 22, 0.12);
  --peligro: #e03131;
  --sombra: 0 10px 40px rgba(16, 24, 40, 0.12);
}

:root[data-theme='dark'] {
  --bg: #0f1115;
  --card: #171a21;
  --input-bg: #1e222b;
  --border: #2a2f3a;
  --text: #e8eaed;
  --muted: #9aa3b2;
  --accent: #ff4a16;
  --accent-suave: rgba(255, 74, 22, 0.18);
  --peligro: #ff6b6b;
  --sombra: 0 10px 40px rgba(0, 0, 0, 0.5);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 15px;

  /* Gradientes suaves del color de acento, de fondo. */
  background-image: radial-gradient(circle at 15% 20%, var(--accent-suave), transparent 45%),
    radial-gradient(circle at 85% 80%, var(--accent-suave), transparent 45%);
}

.btn-tema {
  position: fixed;
  top: 18px;
  right: 18px;
  font: inherit;
  cursor: pointer;
  padding: 8px 11px;
  line-height: 1;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
}

.tarjeta-login {
  width: 100%;
  max-width: 380px;
  padding: 34px 30px 30px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--sombra);
  text-align: center;
}

.logo-img {
  width: 100%;
  max-width: 230px;
  height: auto;
  margin: 0 auto 6px;
  display: block;
}

.subtitulo {
  margin: 4px 0 26px;
  color: var(--muted);
  font-size: 14px;
}

form {
  text-align: left;
}

label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 5px;
}

input[type='text'],
input[type='password'] {
  width: 100%;
  font: inherit;
  color: var(--text);
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 10px 12px;
  margin-bottom: 14px;
}

input:focus {
  outline: 2px solid var(--accent-suave);
  border-color: var(--accent);
}

.campo-clave {
  position: relative;
}

.campo-clave input {
  padding-right: 44px;
}

.ver-clave {
  position: absolute;
  top: 8px;
  right: 8px;
  border: 0;
  background: none;
  cursor: pointer;
  font-size: 15px;
  padding: 3px 5px;
  color: var(--muted);
}

.recordar {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-size: 14px;
  margin-bottom: 16px;
}

.recordar input {
  accent-color: var(--accent);
}

.error {
  color: var(--peligro);
  font-size: 13.5px;
  margin-bottom: 14px;
}

.error[hidden] {
  display: none;
}

.btn-ingresar {
  width: 100%;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  padding: 11px;
  border-radius: 9px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
}

.btn-ingresar:hover {
  filter: brightness(1.08);
}

.btn-ingresar:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}