/* Estilos de la pantalla de login. Es pública, así que no depende de styles.css. */

:root {
  --bg: #f3f4f9;
  --card: #ffffff;
  --input-bg: #ffffff;
  --border: #e3e6ef;
  --text: #1a1d28;
  --muted: #6b7280;
  --accent: #7c5cff;
  --accent-2: #a78bfa;
  --ok: #10b981;
  --peligro: #e5484d;
  --overlay: rgba(255, 255, 255, 0.78);
  --sombra: 0 10px 40px rgba(23, 18, 60, 0.12);
}

:root[data-theme="dark"] {
  --bg: #11131b;
  --card: #191c26;
  --input-bg: #11131b;
  --border: #2a2e3c;
  --text: #e9ebf3;
  --muted: #98a0b3;
  --accent: #8b6dff;
  --accent-2: #b39dff;
  --ok: #34d399;
  --peligro: #ff6369;
  --overlay: rgba(17, 19, 27, 0.8);
  --sombra: 0 12px 44px rgba(0, 0, 0, 0.5);
}

* {
  box-sizing: border-box;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  margin: 0;
  padding: 24px;
  background:
    radial-gradient(700px 380px at 12% -8%, color-mix(in srgb, var(--accent) 26%, transparent), transparent 70%),
    radial-gradient(620px 340px at 92% 108%, color-mix(in srgb, var(--accent-2) 24%, transparent), transparent 70%),
    var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
}

.tarjeta {
  width: 100%;
  max-width: 380px;
  padding: 32px 28px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--card);
  box-shadow: var(--sombra);
  text-align: center;
}

/* El isologo hace de título: el nombre del cliente va en el alt de la imagen. */
.logo {
  max-width: 210px;
  margin: 4px auto 0;
}

.logo img {
  display: block;
  width: 100%;
  height: auto;
}

/* El isologo es azul marino: en tema oscuro se pasa a blanco para que se lea. */
:root[data-theme="dark"] .logo img {
  filter: brightness(0) invert(1);
}

.subtitulo {
  margin: 14px 0 24px;
  color: var(--muted);
  font-size: 14px;
}

form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: left;
}

.campo {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.campo__etiqueta {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--input-bg);
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
}

input:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 45%, transparent);
  outline-offset: 1px;
  border-color: var(--accent);
}

.campo__clave {
  position: relative;
}

.campo__clave input {
  padding-right: 44px;
}

.ojo {
  position: absolute;
  top: 50%;
  right: 6px;
  transform: translateY(-50%);
  padding: 6px;
  border: none;
  border-radius: 8px;
  background: transparent;
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
}

.ojo:hover {
  background: var(--bg);
}

.recordar {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
  cursor: pointer;
}

.error {
  padding: 10px 12px;
  border: 1px solid var(--peligro);
  border-radius: 10px;
  color: var(--peligro);
  font-size: 13.5px;
}

.error[hidden] {
  display: none;
}

.boton {
  padding: 12px 16px;
  border: none;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}

.boton:hover {
  background: var(--accent-2);
}

.boton:disabled {
  opacity: 0.7;
  cursor: default;
}

.tema {
  position: fixed;
  top: 18px;
  right: 18px;
  width: 38px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  color: var(--text);
  font-size: 16px;
  cursor: pointer;
}