:root {
  --bg: #0f1115; --panel: #151821; --text: #e6e6e6; --muted: #a3a3a3;
  --blue: #4ea1ff; --green: #2ecc71; --yellow: #f1c40f; --red: #e74c3c;
  --card: #1b2030; --border: #273046;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto; background: var(--bg); color: var(--text); }
.header { padding: 24px; border-bottom: 1px solid var(--border); background: var(--panel); position: sticky; top: 0; z-index: 9; }
.header-main { display: flex; justify-content: space-between; gap: 24px; align-items: center; flex-wrap: wrap; }
.header h1 { margin: 0 0 6px; font-size: 22px; }
.header p { margin: 0; color: var(--muted); font-size: 14px; display: flex; flex-direction: column; gap: 4px; }
.btn { background: transparent; color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: 8px 14px; font-size: 14px; cursor: pointer; transition: background .2s ease, border-color .2s ease, transform .1s ease; }
.btn:hover,
.btn:focus-visible { background: var(--card); border-color: var(--blue); outline: none; }
.btn:active { transform: scale(.98); }
.btn.primary { background: var(--blue); color: #0f1115; border-color: var(--blue); }
.btn.primary:hover,
.btn.primary:focus-visible { background: #6ab0ff; border-color: #6ab0ff; }
.container { max-width: 1080px; margin: 0 auto; padding: 24px; }
.controls { display: flex; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
select, input { background: var(--card); border: 1px solid var(--border); color: var(--text); padding: 8px 10px; border-radius: 8px; }
textarea { background: var(--card); border: 1px solid var(--border); color: var(--text); padding: 8px 10px; border-radius: 8px; font-family: inherit; }
select:focus-visible,
input:focus-visible,
textarea:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.card h3 { margin: 0; font-size: 18px; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; border: 1px solid var(--border); }
.badge.planificado { background: #272c3f; color: var(--muted); }
.badge.encurso { background: #2a3a2f; color: var(--green); }
.badge.hecho { background: #283345; color: var(--blue); }
.desc { color: var(--muted); font-size: 14px; }
.meta { font-size: 12px; color: var(--muted); display: flex; gap: 14px; flex-wrap: wrap; }
.progress { height: 8px; background: #22283a; border-radius: 999px; overflow: hidden; border: 1px solid var(--border); }
.progress > div { height: 100%; background: var(--blue); width: 0%; transition: width .4s ease; }
.footer { color: var(--muted); font-size: 12px; margin-top: 24px; text-align: center; }
.link { color: var(--blue); text-decoration: none; }
.link:hover,
.link:focus-visible { text-decoration: underline; }

.hidden { display: none; }
.modal-open { overflow: hidden; }
.modal-overlay { position: fixed; inset: 0; background: rgba(15, 17, 21, .85); display: flex; align-items: center; justify-content: center; padding: 24px; z-index: 20; }
.modal-overlay.hidden { display: none; }
.modal { background: var(--panel); border-radius: 16px; border: 1px solid var(--border); max-width: 960px; width: 100%; max-height: min(90vh, 720px); overflow: hidden; display: flex; flex-direction: column; box-shadow: 0 24px 48px rgba(0,0,0,.45); }
.modal:focus { outline: none; }
.modal-close { align-self: flex-end; background: none; border: none; color: var(--muted); font-size: 28px; line-height: 1; padding: 12px 16px; cursor: pointer; }
.modal-close:hover,
.modal-close:focus-visible { color: var(--text); outline: none; }
.modal h2 { margin: 0 24px; font-size: 22px; }
.modal-description { margin: 0 24px 16px; color: var(--muted); font-size: 14px; }
.modal-body { display: grid; grid-template-columns: 220px 1fr; gap: 24px; padding: 0 24px 24px; overflow: auto; }
.template-selector { border-right: 1px solid var(--border); padding-right: 16px; display: flex; flex-direction: column; gap: 12px; }
.template-selector h3 { margin: 0; font-size: 16px; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.template-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.template-option { width: 100%; text-align: left; background: var(--card); color: var(--text); border: 1px solid var(--border); border-radius: 10px; padding: 12px; display: flex; flex-direction: column; gap: 4px; cursor: pointer; transition: border-color .2s ease, transform .1s ease, background .2s ease; }
.template-option:hover,
.template-option:focus-visible { border-color: var(--blue); outline: none; transform: translateY(-1px); }
.template-option.active { border-color: var(--blue); background: rgba(78, 161, 255, .1); }
.template-name { font-weight: 600; }
.template-option-description { font-size: 13px; color: var(--muted); }
.template-form { display: flex; flex-direction: column; gap: 28px; padding-bottom: 16px; }
.template-meta { display: flex; flex-direction: column; gap: 12px; }
.template-summary { margin: 12px 0 0; color: var(--muted); font-size: 14px; }
.issue-labels { display: flex; flex-wrap: wrap; gap: 6px; }
.label-chip { background: rgba(78, 161, 255, .15); color: var(--blue); border: 1px solid rgba(78, 161, 255, .3); padding: 4px 8px; border-radius: 999px; font-size: 12px; }
.field-group { display: flex; flex-direction: column; gap: 26px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field.markdown { padding: 12px; border: 1px dashed var(--border); border-radius: 10px; background: rgba(21, 24, 33, .6); }
.field.required label::after { content: ' *'; color: var(--yellow); }
.field.invalid input,
.field.invalid textarea { border-color: var(--red); }
.markdown-hint { margin: 12px 0 0; color: var(--muted); font-size: 14px; white-space: pre-line; }
.form-actions { display: flex; justify-content: flex-end; margin-top: 32px; }
.form-message { min-height: 20px; font-size: 14px; }
.form-message.success { color: var(--green); }
.form-message.error { color: var(--red); }
.form-message.warning { color: var(--yellow); }
.form-message.info { color: var(--blue); }
.form-message a {
  color: inherit;
  font-weight: 600;
  text-decoration: underline;
}
.form-message a:hover,
.form-message a:focus {
  text-decoration: none;
}

/* Mostramos el identificador de depuración en un estilo sutil para no
   distraer al usuario pero permitir que soporte lo copie con facilidad. */
.form-message-debug {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  opacity: 0.85;
}
.payload-preview { background: #090b10; border: 1px solid var(--border); border-radius: 12px; padding: 16px; max-height: 220px; overflow: auto; font-size: 13px; line-height: 1.45; }

@media (max-width: 960px) {
  .modal-body { grid-template-columns: 1fr; }
  .template-selector { border-right: none; border-bottom: 1px solid var(--border); padding-right: 0; padding-bottom: 16px; }
}

@media (max-width: 600px) {
  .header-main { flex-direction: column; align-items: flex-start; }
  .modal { max-height: none; height: 100%; }
  .modal-overlay { padding: 16px; }
  .payload-preview { max-height: 160px; }
}