/* Jornadas ARCE — Formulario publico */
/* Layout simple institucional */

:root {
  --color-primary: #0033A0;
  --color-primary-hover: #002878;
  --color-secondary: #005BBB;
  --color-surface: #FFFFFF;
  --color-surface-alt: #F5F7FA;
  --color-text: #1A1A1A;
  --color-text-secondary: #5F6675;
  --color-border: #D1D5DB;
  --color-success: #2E7D32;
  --color-success-bg: #E8F5E9;
  --color-error: #C62828;
  --color-error-bg: #FFEBEE;
  --color-warning: #ED6C02;
  --color-warning-bg: #FFF3E0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --radius: 8px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-primary: #5B8DEF;
    --color-primary-hover: #4A7DE0;
    --color-secondary: #7BAAF7;
    --color-surface: #1C2133;
    --color-surface-alt: #242B3D;
    --color-text: #E8ECF4;
    --color-text-secondary: #8E9AB8;
    --color-border: #3A4258;
    --color-success: #66BB6A;
    --color-success-bg: #1B3A1B;
    --color-error: #EF5350;
    --color-error-bg: #3A1B1B;
    --color-warning: #FFA726;
    --color-warning-bg: #3A2E1B;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
  }
}

[data-theme="dark"] {
  --color-primary: #5B8DEF;
  --color-primary-hover: #4A7DE0;
  --color-secondary: #7BAAF7;
  --color-surface: #1C2133;
  --color-surface-alt: #242B3D;
  --color-text: #E8ECF4;
  --color-text-secondary: #8E9AB8;
  --color-border: #3A4258;
  --color-success: #66BB6A;
  --color-success-bg: #1B3A1B;
  --color-error: #EF5350;
  --color-error-bg: #3A1B1B;
  --color-warning: #FFA726;
  --color-warning-bg: #3A2E1B;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--color-surface-alt);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header institucional */
.header {
  background: linear-gradient(135deg, #003cc4 0%, #0033A0 55%, #002e90 100%);
  color: #fff;
  padding: 0 20px;
  height: 80px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(0,0,0,0.22), 0 4px 18px rgba(0,0,0,0.16);
}

.header-logo-lg {
  height: 70px;
  width: auto;
  flex-shrink: 0;
}

.header-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.28);
  flex-shrink: 0;
}

.header-brand {
  flex: 1;
  min-width: 0;
}

.header-title {
  font-size: 1.1rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-subtitle {
  font-size: 0.78rem;
  opacity: 0.78;
  margin-top: 2px;
}

/* Container */
.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 16px;
  flex: 1;
  width: 100%;
}

/* Card */
.card {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 32px;
  margin-bottom: 24px;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
}

.card-description {
  color: var(--color-text-secondary);
  margin-bottom: 24px;
  font-size: 0.9rem;
}

/* Form */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 6px;
  font-size: 0.9rem;
  color: var(--color-text);
}

.form-group label .required {
  color: var(--color-error);
  margin-left: 2px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 0.95rem;
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color 0.2s;
}

.form-group input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 51, 160, 0.15);
}

.form-group input.error {
  border-color: var(--color-error);
}

.form-group .error-msg {
  color: var(--color-error);
  font-size: 0.8rem;
  margin-top: 4px;
}

/* Radio group */
.radio-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.radio-group label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 400;
  cursor: pointer;
}

.radio-group input[type="radio"] {
  accent-color: var(--color-primary);
}

/* Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 32px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-block {
  width: 100%;
}

/* Alert */
.alert {
  padding: 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.alert-success {
  background: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid var(--color-success);
}

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

.alert-warning {
  background: var(--color-warning-bg);
  color: var(--color-warning);
  border: 1px solid var(--color-warning);
}

/* Cupos badge */
.cupos-info {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.cupo-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
}

.cupo-badge.agotado {
  background: var(--color-error-bg);
  color: var(--color-error);
  border-color: var(--color-error);
}

/* Footer */
.footer {
  text-align: center;
  padding: 16px;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  flex-shrink: 0;
}

/* Loading */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top: 2px solid #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-right: 8px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.hidden { display: none !important; }

/* Campo trampa: fuera de la vista pero presente en el DOM. No se usa
   display:none porque algunos programas que rellenan formularios lo detectan y
   saltean el campo, que es justamente lo que no queremos. */
.campo-trampa {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.captcha-ayuda {
  margin: 0 0 8px;
  font-size: 13px;
  color: #555;
}

.captcha-fila {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

#captcha-imagen {
  border: 1px solid #c8d0dd;
  border-radius: 4px;
  background: #fff;
  display: block;
}

.captcha-sublabel {
  display: block;
  margin-bottom: 4px;
  font-size: 13px;
  font-weight: 600;
}

#captchaImagenRespuesta,
#captchaTextoRespuesta {
  max-width: 220px;
}

/* Solo el de la imagen: los caracteres se comparan sin distinguir mayusculas,
   pero verlos en mayuscula ayuda a cotejarlos con la imagen. En el de texto la
   respuesta es un numero y el espaciado solo estorbaria. */
#captchaImagenRespuesta {
  letter-spacing: 2px;
  text-transform: uppercase;
}

.btn-enlace {
  background: none;
  border: none;
  padding: 0;
  color: #1a3668;
  font-size: 13px;
  text-decoration: underline;
  cursor: pointer;
}

.btn-enlace:hover { color: #0f2347; }

.btn-enlace:focus-visible {
  outline: 2px solid #1a3668;
  outline-offset: 2px;
}

@media (max-width: 600px) {
  .container { padding: 16px 12px; }
  .card { padding: 20px 16px; }
  .radio-group { flex-direction: column; gap: 10px; }
  .captcha-fila { flex-direction: column; align-items: flex-start; }
}