/* admin.css — tokens + reset + component layers (Fase 2). */

:root {
  /* Palette (dark, accents shared with the presupuesto) */
  --admin-bg: #10161c;
  --admin-bg-raised: #17202a;
  --admin-bg-inset: #0b1014;
  --admin-border: #263341;
  --admin-text: #e6edf3;
  --admin-text-muted: #8b9aa8;
  --admin-accent: #0073ac;
  --admin-accent-2: #20c19e;
  --admin-danger: #e05252;
  --admin-warning: #d9a441;
  --admin-success: #20c19e;

  /* Typography (local system stack, no webfonts) */
  --admin-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --admin-font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* Spacing / radii */
  --admin-space-1: 0.25rem;
  --admin-space-2: 0.5rem;
  --admin-space-3: 1rem;
  --admin-space-4: 1.5rem;
  --admin-space-5: 2.5rem;
  --admin-radius: 6px;
}

/* Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
}

body.admin {
  font-family: var(--admin-font);
  background: var(--admin-bg);
  color: var(--admin-text);
  line-height: 1.5;
  min-height: 100vh;
}

img,
svg,
video {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

a {
  color: var(--admin-accent-2);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

table {
  border-collapse: collapse;
  width: 100%;
}

:focus-visible {
  outline: 2px solid var(--admin-accent);
  outline-offset: 2px;
}

/* SHELL — sidebar + main content grid */

body.admin {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  align-items: stretch;
}

body.admin--login {
  display: block;
}

.admin-sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: var(--admin-space-2);
  height: 100vh;
  width: 220px;
  padding: var(--admin-space-3) var(--admin-space-2);
  background: var(--admin-bg-inset);
  border-right: 1px solid var(--admin-border);
  overflow-y: auto;
}

.admin-main {
  max-width: 1400px;
  width: 100%;
  padding: var(--admin-space-4) var(--admin-space-5);
}

/* SIDEBAR — brand, nav, active state, user footer */

.admin-brand {
  display: flex;
  align-items: center;
  gap: var(--admin-space-2);
  padding: var(--admin-space-2);
  font-weight: 700;
  line-height: 1.2;
}

.admin-brand__mark {
  font-size: 1.4rem;
}

.admin-brand__name {
  font-size: 0.95rem;
}

.admin-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.admin-nav__link {
  display: flex;
  align-items: center;
  gap: var(--admin-space-2);
  padding: var(--admin-space-2) var(--admin-space-2);
  border-left: 3px solid transparent;
  border-radius: 0 var(--admin-radius) var(--admin-radius) 0;
  color: var(--admin-text);
  font-size: 0.9rem;
  text-decoration: none;
  transition: background-color 0.12s ease, border-color 0.12s ease;
}

.admin-nav__link:hover {
  background: var(--admin-bg-raised);
  text-decoration: none;
}

.admin-nav__link[aria-current="page"] {
  background: var(--admin-bg-raised);
  border-left-color: var(--admin-accent);
  font-weight: 600;
}

.admin-nav__icon {
  width: 1.25rem;
  text-align: center;
  flex: none;
}

.admin-nav__label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.admin-nav--secondary .admin-nav__link {
  color: var(--admin-text-muted);
  font-size: 0.85rem;
}

.admin-nav__sep {
  height: 1px;
  margin: var(--admin-space-2) var(--admin-space-1);
  background: var(--admin-border);
}

.admin-sidebar__footer {
  margin-top: auto;
  padding-top: var(--admin-space-2);
  border-top: 1px solid var(--admin-border);
  display: flex;
  flex-direction: column;
  gap: var(--admin-space-2);
}

.admin-user {
  display: flex;
  align-items: center;
  gap: var(--admin-space-2);
  padding: 0 var(--admin-space-2);
  font-size: 0.85rem;
  color: var(--admin-text-muted);
}

.admin-user__name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.admin-logout {
  margin: 0;
}

.admin-logout__btn {
  width: 100%;
}

/* FLASH — server-set message banner */

.admin-flash {
  margin-bottom: var(--admin-space-3);
  padding: var(--admin-space-2) var(--admin-space-3);
  border: 1px solid var(--admin-border);
  border-left-width: 4px;
  border-radius: var(--admin-radius);
  background: var(--admin-bg-raised);
  font-size: 0.9rem;
}

.admin-flash--success { border-left-color: var(--admin-success); }
.admin-flash--error   { border-left-color: var(--admin-danger); }
.admin-flash--info    { border-left-color: var(--admin-accent); }

/* TABLES — dense, sticky header, high contrast data */

.admin-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.admin-table th,
.admin-table td {
  padding: var(--admin-space-1) var(--admin-space-3);
  height: 32px;
  text-align: left;
  border-bottom: 1px solid var(--admin-border);
  white-space: nowrap;
}

.admin-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--admin-bg-inset);
  color: #ffffff; /* AAA contrast on the inset bg */
  font-weight: 600;
}

.admin-table tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

.admin-table tbody tr:hover {
  background: var(--admin-bg-raised);
}

.admin-table tbody td {
  color: #f2f6fa; /* >=7:1 on --admin-bg for AAA data legibility */
}

/* CONTROLS — inputs, selects, textareas, buttons */

.admin-input,
.admin-select,
.admin-textarea,
.admin input:not([type="checkbox"]):not([type="radio"]),
.admin select,
.admin textarea {
  width: 100%;
  padding: var(--admin-space-2);
  background: var(--admin-bg-inset);
  color: var(--admin-text);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
}

.admin-textarea,
.admin textarea {
  min-height: 8rem;
  font-family: var(--admin-font-mono);
  resize: vertical;
}

.admin input:focus-visible,
.admin select:focus-visible,
.admin textarea:focus-visible {
  outline: 2px solid var(--admin-accent);
  outline-offset: 1px;
  border-color: var(--admin-accent);
}

.admin-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--admin-space-1);
  padding: var(--admin-space-2) var(--admin-space-3);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  background: var(--admin-bg-raised);
  color: var(--admin-text);
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.1;
  cursor: pointer;
  transition: filter 0.12s ease, background-color 0.12s ease;
}

.admin-btn:hover { filter: brightness(1.12); }

.admin-btn--primary {
  background: var(--admin-accent);
  border-color: var(--admin-accent);
  color: #ffffff;
}

.admin-btn--success {
  background: var(--admin-accent-2);
  border-color: var(--admin-accent-2);
  color: #05201a;
}

.admin-btn--danger {
  background: var(--admin-danger);
  border-color: var(--admin-danger);
  color: #ffffff;
}

.admin-btn--ghost {
  background: transparent;
  color: var(--admin-text-muted);
}

.admin-btn--ghost:hover {
  background: var(--admin-bg-raised);
  color: var(--admin-text);
  filter: none;
}

/* SAVE-STATE — HTMX lifecycle feedback */

.htmx-request {
  animation: admin-pulse 1s ease-in-out infinite;
}

.htmx-settling {
  animation: admin-flash-ok 0.6s ease-out;
}

tr.is-saved  { box-shadow: inset 3px 0 0 var(--admin-success); }
tr.is-failed { box-shadow: inset 3px 0 0 var(--admin-danger); }

@keyframes admin-pulse {
  0%, 100% { box-shadow: inset 3px 0 0 transparent; }
  50%      { box-shadow: inset 3px 0 0 var(--admin-warning); }
}

@keyframes admin-flash-ok {
  0%   { background: color-mix(in srgb, var(--admin-success) 30%, transparent); }
  100% { background: transparent; }
}

/* TOAST — global error surface (HTMX 4xx/5xx are silent) */

#admin-toast {
  position: fixed;
  bottom: var(--admin-space-4);
  right: var(--admin-space-4);
  max-width: 22rem;
  padding: var(--admin-space-2) var(--admin-space-3);
  background: var(--admin-danger);
  color: #ffffff;
  border-radius: var(--admin-radius);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
  font-size: 0.88rem;
  z-index: 9999;
  opacity: 0;
  transform: translateY(0.5rem);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

#admin-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* LOGIN — standalone centered card */

.admin-login {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--admin-space-4);
}

.login-card {
  width: 100%;
  max-width: 22rem;
  padding: var(--admin-space-5) var(--admin-space-4);
  background: var(--admin-bg-raised);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
}

.login-card__brand {
  display: flex;
  align-items: center;
  gap: var(--admin-space-2);
  margin-bottom: var(--admin-space-3);
  font-weight: 700;
}

.login-card__mark { font-size: 1.5rem; }

.login-card__title {
  margin-bottom: var(--admin-space-4);
  font-size: 1rem;
  font-weight: 500;
  color: var(--admin-text-muted);
}

.login-field {
  margin-bottom: var(--admin-space-3);
}

.login-field label {
  display: block;
  margin-bottom: var(--admin-space-1);
  font-size: 0.85rem;
  color: var(--admin-text-muted);
}

.login-submit {
  width: 100%;
  margin-top: var(--admin-space-2);
}

.login-error {
  margin-bottom: var(--admin-space-3);
  padding: var(--admin-space-2) var(--admin-space-3);
  border: 1px solid var(--admin-danger);
  border-radius: var(--admin-radius);
  background: color-mix(in srgb, var(--admin-danger) 15%, transparent);
  color: #ff9c9c;
  font-size: 0.85rem;
}

/* PAGE HEADER — title row at the top of each admin view */

.admin-main__header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--admin-space-2) var(--admin-space-3);
  margin-bottom: var(--admin-space-4);
  padding-bottom: var(--admin-space-3);
  border-bottom: 1px solid var(--admin-border);
}

.admin-main__title {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
}

.admin-main__meta {
  color: var(--admin-text-muted);
  font-size: 0.85rem;
}

/* TEXT HELPERS — muted spans, accent links, empty states */

.admin-muted {
  color: var(--admin-text-muted);
}

.admin-link {
  color: var(--admin-accent-2);
  font-weight: 500;
}

.admin-link:hover {
  text-decoration: underline;
}

.admin-empty {
  padding: var(--admin-space-5) var(--admin-space-3);
  text-align: center;
  color: var(--admin-text-muted);
  background: var(--admin-bg-raised);
  border: 1px dashed var(--admin-border);
  border-radius: var(--admin-radius);
}

/* SECTIONS — grouped blocks with a titled divider */

.admin-section {
  margin-bottom: var(--admin-space-5);
}

.admin-section__title {
  margin-bottom: var(--admin-space-3);
  padding-bottom: var(--admin-space-2);
  border-bottom: 1px solid var(--admin-border);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--admin-text);
}

/* FORMS — stacked fields readable on the dark surface */

.admin-form {
  display: flex;
  flex-direction: column;
  gap: var(--admin-space-3);
  max-width: 44rem;
}

.admin-field {
  display: flex;
  flex-direction: column;
  gap: var(--admin-space-1);
}

.admin-field--check {
  flex-direction: row;
  align-items: center;
  gap: var(--admin-space-2);
}

.admin-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--admin-text-muted);
}

.admin-form__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--admin-space-2);
}

/* INLINE FORMS — add-rows and per-row controls on one line */

.admin-inline-form,
.admin-form--inline {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--admin-space-2);
  margin: 0;
}

.admin-inline-form .admin-input,
.admin-inline-form .admin-select,
.admin-form--inline .admin-input,
.admin-form--inline .admin-select {
  width: auto;
}

/* A11Y — screen-reader-only text (e.g. the "Acciones" column header) */

.admin-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* DASHBOARD — entity-count summary cards */

.admin-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--admin-space-3);
}

.admin-card {
  display: flex;
  flex-direction: column;
  gap: var(--admin-space-1);
  padding: var(--admin-space-4) var(--admin-space-3);
  background: var(--admin-bg-raised);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  color: var(--admin-text);
  text-decoration: none;
  transition: transform 0.12s ease, border-color 0.12s ease,
    box-shadow 0.12s ease;
}

.admin-card:hover {
  transform: translateY(-2px);
  border-color: var(--admin-accent);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
  text-decoration: none;
}

.admin-card__count {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}

.admin-card__label {
  font-size: 0.85rem;
  color: var(--admin-text-muted);
}

/* RESPONSIVE — sidebar becomes a horizontal scroll bar */

@media (max-width: 900px) {
  body.admin {
    display: block;
  }

  .admin-sidebar {
    position: static;
    flex-direction: row;
    align-items: center;
    gap: var(--admin-space-2);
    height: auto;
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    border-right: none;
    border-bottom: 1px solid var(--admin-border);
    white-space: nowrap;
  }

  .admin-nav,
  .admin-nav--secondary {
    flex-direction: row;
  }

  .admin-nav__link {
    border-left: none;
    border-bottom: 3px solid transparent;
    border-radius: var(--admin-radius) var(--admin-radius) 0 0;
  }

  .admin-nav__link[aria-current="page"] {
    border-left-color: transparent;
    border-bottom-color: var(--admin-accent);
  }

  .admin-nav__sep {
    width: 1px;
    height: 1.5rem;
    margin: 0 var(--admin-space-1);
  }

  .admin-sidebar__footer {
    margin-top: 0;
    margin-left: auto;
    padding-top: 0;
    border-top: none;
    flex-direction: row;
    align-items: center;
  }

  .admin-main {
    padding: var(--admin-space-3);
  }
}

/* REDUCED MOTION — silence pulses/flashes */

@media (prefers-reduced-motion: reduce) {
  .htmx-request,
  .htmx-settling {
    animation: none;
  }

  #admin-toast,
  .admin-nav__link,
  .admin-btn,
  .admin-card {
    transition: none;
  }

  .admin-card:hover {
    transform: none;
  }
}

/* LIVE PREVIEW IFRAME — same-origin preview pane in the page/blog editors.
   The form's "Vista previa" button (formaction/formtarget) loads the rendered
   public-styled page into this frame. White canvas so main.css styles show
   against the admin chrome. */

.tf-preview-frame {
  display: block;
  width: 100%;
  min-height: 400px;
  border: 1px solid var(--admin-border, #d0d4da);
  border-radius: 6px;
  background: #fff;
}