/* ====== World-class Auth · NetStatus ====== */
:root {
  --bg: #f6f7fb;
  --ink: #0b1220;
  --muted: #667085;
  --card: #ffffff;
  --border: #e5e7eb;
  --shadow: 0 12px 40px rgba(16, 24, 40, 0.08);
  --accent1: #4b82f5;
  --accent2: #6ea8fe;
  --accent: #4b82f5;
  --ok: #16a34a;
  --error: #dc2626;
  --ring: #9cc3ff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220;
    --ink: #e5ecff;
    --muted: #97a0b8;
    --card: #10192b;
    --border: #1f2a44;
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
    --accent1: #6ea8fe;
    --accent2: #9cc3ff;
    --accent: #6ea8fe;
    --ring: #3e7bff;
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  display: grid;
  place-items: center;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.45 "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

/* ====== Caja principal ====== */
.auth-box {
  width: min(420px, 92vw);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 32px 28px 26px;
  position: relative;
  overflow: hidden;
  transition: all 0.4s ease;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  min-height: 520px;
}

.auth-box.show-register {
  min-height: 640px; /* más espacio para el formulario de registro */
  transition: min-height 0.4s ease;
}

/* ====== Logo ====== */
.logo {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 28px;
  transform: translateY(-8px);
}

/* ====== Formularios ====== */
.form {
  transition: transform 0.6s ease, opacity 0.6s ease;
}

.login {
  transform: translateX(0);
  opacity: 1;
}

.register {
  position: absolute;
  inset: 0;
  padding: 32px 28px 26px;
  transform: translateX(100%);
  opacity: 0;
  pointer-events: none;
}

.auth-box.show-register .register {
  transform: translateX(0);
  opacity: 1;
  pointer-events: all;
}

.auth-box.show-register .login {
  transform: translateX(-100%);
  opacity: 0;
  pointer-events: none;
}

/* ====== Títulos ====== */
h2 {
  text-align: center;
  font-size: 20px;
  margin: 0 0 18px;
  color: var(--ink);
}

/* ====== Inputs ====== */
label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin: 10px 0 5px;
}

input {
  width: 100%;
  padding: 11px 13px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--ink);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

@media (prefers-color-scheme: dark) {
  input {
    background: #0f172a;
  }
}

input:focus {
  border-color: var(--accent1);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--ring) 35%, transparent);
}

.error {
  color: var(--error);
  text-align: center;
  min-height: 18px;
  margin: 8px 0 0;
  font-size: 13px;
}

/* ====== Botones ====== */
button {
  width: 100%;
  margin-top: 16px;
  padding: 11px 14px;
  border-radius: 10px;
  border: 0;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.2s ease;
}

button[type="submit"] {
  background: linear-gradient(90deg, var(--accent1), var(--accent2));
  color: #fff;
  box-shadow: 0 6px 18px rgba(78, 130, 245, 0.25);
}

button[type="submit"]:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(78, 130, 245, 0.28);
}

/* ====== Switch (link inferior) ====== */
.switch {
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  margin-top: 14px;
}

.switch span {
  color: var(--accent);
  cursor: pointer;
  text-decoration: underline;
}

/* ====== Grupo de acciones (Cancelar + Registrar) ====== */
.actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.actions button {
  flex: 1;
}

button.btn-secondary {
  background: #fff;
  color: var(--accent1);
  border: 1px solid var(--border);
  box-shadow: none;
}

button.btn-secondary:hover {
  background: #f8fafc;
  transform: translateY(-1px);
}

/* ====== Espaciado extra bajo el logo en formulario de registro ====== */
.register .spacer {
  height: 60px; /* separación para evitar solapamiento con el logo */
}