/* =========================================================
   IntelAgro Design System — Components
   Capa 2: bloques reutilizables del panel de analytics
   ========================================================= */

/* =========================================================
   0. Layout & Typography helpers
   ========================================================= */

.container {
  width: min(100% - 3rem, var(--container-lg));
  margin-inline: auto;
}

.container--md {
  width: min(100% - 3rem, var(--container-md));
  margin-inline: auto;
}

.container--sm {
  width: min(100% - 3rem, var(--container-sm));
  margin-inline: auto;
}

.section {
  padding: var(--space-10) 0;
}

.section--sm {
  padding: var(--space-8) 0;
}

.section--alt {
  background: var(--color-bg-soft);
}

h1, h2, h3, h4 {
  margin: 0 0 var(--space-4);
  color: var(--color-heading);
  font-family: var(--font-display);
  font-weight: 700;
  line-height: var(--line-tight);
  letter-spacing: var(--tracking-tight);
}

h1 {
  font-size: clamp(2rem, 4vw, var(--text-5xl));
  font-weight: 800;
}

h2 {
  font-size: clamp(1.5rem, 3vw, var(--text-4xl));
}

h3 {
  font-size: clamp(1.125rem, 2vw, var(--text-2xl));
}

h4 {
  font-size: var(--text-lg);
}

p {
  margin: 0 0 var(--space-4);
}

.eyebrow {
  display: inline-block;
  margin-bottom: var(--space-3);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-accent);
}

.lead {
  font-size: var(--text-lg);
  line-height: var(--line-relaxed);
  color: var(--color-text-soft);
  max-width: 36rem;
}

/* =========================================================
   1. Buttons
   ========================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  min-height: 44px;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-on-accent);
  border-color: var(--color-accent);
}

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

.btn--primary:active {
  background: var(--color-accent-hover);
  transform: translateY(1px);
}

.btn--secondary {
  background: var(--color-bg);
  color: var(--color-accent);
  border-color: var(--color-border);
}

.btn--secondary:hover {
  background: var(--color-bg-accent);
  border-color: var(--color-accent);
}

.btn--secondary:active {
  background: var(--color-accent-soft);
}

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

.btn--ghost:hover {
  background: var(--color-bg-alt);
}

.btn--ghost:active {
  background: var(--color-border);
}

.btn--sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  min-height: 36px;
}

.btn:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

.btn:disabled,
.btn.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn.is-loading {
  opacity: 0.7;
  pointer-events: none;
}

/* =========================================================
   2. App Shell — Sidebar + Topbar
   ========================================================= */

.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: auto 1fr;
  min-height: 100vh;
}

.sidebar {
  grid-row: 1 / -1;
  background: var(--color-bg-dark);
  color: var(--color-on-dark);
  padding: var(--space-5) 0;
  display: flex;
  flex-direction: column;
}

.sidebar__logo {
  padding: 0 var(--space-5);
  margin-bottom: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  border-bottom: 1px solid var(--color-white-alpha-08);
  padding-bottom: var(--space-5);
}

.sidebar__logo-img {
  height: 32px;
  width: auto;
}

.sidebar__logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-on-dark);
}

.sidebar__nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: 0 var(--space-3);
}

.sidebar__link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: background 0.15s, color 0.15s;
  min-height: 44px;
}

.sidebar__link:hover {
  background: var(--color-white-alpha-08);
  color: var(--color-on-dark);
}

.sidebar__link:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

.sidebar__link.is-active {
  background: var(--color-accent-alpha-20);
  color: var(--color-accent-bright);
  font-weight: 600;
}

.sidebar__link-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  background: var(--color-header-bg);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
}

.topbar__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-heading);
  margin: 0;
}

.topbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* =========================================================
   3. Cards
   ========================================================= */

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: box-shadow 0.15s;
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.card__title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-heading);
  margin: 0;
}

.card__subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-soft);
  margin: 0;
}

.card__body {
  min-height: 120px;
}

/* Data states (§7.2) */
.card.is-loading .card__body {
  display: flex;
  align-items: center;
  justify-content: center;
}

.card.is-empty .card__body::after {
  content: attr(data-empty-msg);
  display: block;
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  padding: var(--space-6) 0;
}

.card.is-error {
  border-color: var(--color-error);
}

/* =========================================================
   4. KPI Metric
   ========================================================= */

.kpi {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.kpi__label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-soft);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.kpi__value {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-heading);
  line-height: var(--line-tight);
}

.kpi__delta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: 600;
}

.kpi__delta--up {
  color: var(--color-success);
}

.kpi__delta--down {
  color: var(--color-error);
}

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

.kpi__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-2);
}

.kpi__icon svg {
  width: 22px;
  height: 22px;
}

.kpi__icon--green {
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.kpi__icon--blue {
  background: var(--color-info-soft);
  color: var(--color-info);
}

.kpi__icon--amber {
  background: var(--color-warning-soft);
  color: var(--color-warning);
}

.kpi__icon--purple {
  background: var(--color-highlight-soft);
  color: var(--color-highlight);
}

/* =========================================================
   5. Data Table
   ========================================================= */

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.data-table th {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  font-weight: 600;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-muted);
  border-bottom: 2px solid var(--color-border);
  background: var(--color-bg-soft);
}

.data-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border-soft);
  color: var(--color-text);
  vertical-align: middle;
}

.data-table tr:hover td {
  background: var(--color-bg-accent);
}

.data-table tbody tr:nth-child(even) td {
  background: var(--color-bg-soft);
}

.data-table tbody tr:nth-child(even):hover td {
  background: var(--color-bg-accent);
}

.data-table__empty {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  color: var(--color-text-muted);
}

/* =========================================================
   6. Badge / Tag
   ========================================================= */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-xl);
  line-height: 1.4;
}

.badge--success {
  background: var(--color-success-soft);
  color: var(--color-success);
}

.badge--warning {
  background: var(--color-warning-soft);
  color: var(--color-warning);
}

.badge--error {
  background: var(--color-error-soft);
  color: var(--color-error);
}

.badge--info {
  background: var(--color-info-soft);
  color: var(--color-info);
}

.badge--neutral {
  background: var(--color-bg-alt);
  color: var(--color-text-soft);
}

/* =========================================================
   7. Client Selector (multi-tenant)
   ========================================================= */

.client-selector {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-white-alpha-06);
  border: 1px solid var(--color-white-alpha-08);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 0.15s;
  min-height: 44px;
}

.client-selector:hover {
  background: var(--color-white-alpha-12);
}

.client-selector:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

.client-selector__name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-on-dark);
}

.client-selector__chevron {
  margin-left: auto;
  width: 16px;
  height: 16px;
  color: var(--color-text-muted);
}

.client-list {
  list-style: none;
  margin: var(--space-2) 0 0;
  padding: var(--space-1) 0;
  background: var(--color-white-alpha-06);
  border-radius: var(--radius-md);
}

.client-list__item {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: background 0.1s;
}

.client-list__item:hover {
  background: var(--color-white-alpha-08);
  color: var(--color-on-dark);
}

.client-list__item:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

.client-list__item.is-active {
  color: var(--color-accent-bright);
  font-weight: 600;
}

/* =========================================================
   8. Skeleton loader
   ========================================================= */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-bg-alt) 25%,
    var(--color-border-soft) 50%,
    var(--color-bg-alt) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-pulse 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

.skeleton--text {
  height: 1em;
  width: 80%;
  margin-bottom: var(--space-2);
}

.skeleton--chart {
  height: 200px;
  width: 100%;
}

.skeleton--kpi {
  height: 2.5rem;
  width: 6rem;
}

@keyframes skeleton-pulse {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* =========================================================
   9. Empty state
   ========================================================= */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-9) var(--space-5);
  text-align: center;
}

.empty-state__icon {
  width: 48px;
  height: 48px;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.empty-state__title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-heading);
  margin: 0 0 var(--space-2);
}

.empty-state__description {
  font-size: var(--text-sm);
  color: var(--color-text-soft);
  max-width: 24rem;
  margin: 0;
}

/* =========================================================
   10. Accordion Card (drill-down general → particular)
   ========================================================= */

.accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.accordion-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow 0.15s;
}

.accordion-card.is-open {
  box-shadow: var(--shadow-md);
}

.accordion-card__trigger {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-4) var(--space-5);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background 0.15s;
  min-height: 56px;
}

.accordion-card__trigger:hover {
  background: var(--color-bg-soft);
}

.accordion-card__trigger:focus-visible {
  outline: var(--focus-ring);
  outline-offset: calc(-1 * var(--focus-offset));
}

.accordion-card__chevron {
  width: 20px;
  height: 20px;
  color: var(--color-text-muted);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.accordion-card.is-open .accordion-card__chevron {
  transform: rotate(180deg);
}

.accordion-card__icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.accordion-card__icon svg {
  width: 20px;
  height: 20px;
}

.accordion-card__icon--green {
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.accordion-card__icon--blue {
  background: var(--color-info-soft);
  color: var(--color-info);
}

.accordion-card__icon--amber {
  background: var(--color-warning-soft);
  color: var(--color-warning);
}

.accordion-card__icon--purple {
  background: var(--color-highlight-soft);
  color: var(--color-highlight);
}

.accordion-card__info {
  flex: 1;
  min-width: 0;
}

.accordion-card__title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-heading);
  margin: 0;
  line-height: var(--line-snug);
}

.accordion-card__subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-soft);
  margin: 0;
}

.accordion-card__badges {
  display: flex;
  gap: var(--space-2);
  flex-shrink: 0;
}

.accordion-card__body {
  display: none;
  padding: 0 var(--space-5) var(--space-5);
  border-top: 1px solid var(--color-border-soft);
}

.accordion-card.is-open .accordion-card__body {
  display: block;
}

/* ── Chart container ── */

.chart-container {
  position: relative;
  width: 100%;
  max-height: 320px;
}

.chart-container canvas {
  max-height: 320px;
}

.chart-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

@media (max-width: 768px) {
  .chart-row {
    grid-template-columns: 1fr;
  }
}

/* =========================================================
   11. Table Modal
   ========================================================= */

.table-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 100;
  align-items: flex-start;
  justify-content: center;
  padding: var(--space-6);
  background: var(--color-overlay);
  animation: fade-in 0.2s ease;
}

.table-modal.is-open {
  display: flex;
}

.table-modal__panel {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 1100px;
  max-height: calc(100vh - var(--space-8));
  display: flex;
  flex-direction: column;
  animation: slide-up 0.25s ease;
}

@keyframes slide-up {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.table-modal__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.table-modal__title {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-heading);
  margin: 0;
}

.table-modal__badge {
  margin-left: auto;
}

.table-modal__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  flex-shrink: 0;
}

.table-modal__close:hover {
  background: var(--color-bg-alt);
  color: var(--color-heading);
}

.table-modal__close:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

.table-modal__search {
  padding: var(--space-3) var(--space-5);
  border-bottom: 1px solid var(--color-border-soft);
  flex-shrink: 0;
}

.table-modal__search-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--color-text);
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color 0.15s;
}

.table-modal__search-input:focus {
  outline: 2px solid transparent;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-alpha-10);
}

.table-modal__search-input::placeholder {
  color: var(--color-text-muted);
}

.table-modal__body {
  flex: 1;
  overflow: auto;
  padding: 0;
  -webkit-overflow-scrolling: touch;
}

.table-modal__body .data-table th {
  position: sticky;
  top: 0;
  z-index: 1;
}

.table-modal__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--color-border);
  flex-shrink: 0;
}

.table-modal__footer-text {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* =========================================================
   Responsive
   ========================================================= */

@media (max-width: 1024px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: none;
  }

  .sidebar.is-open {
    display: flex;
    position: fixed;
    inset: 0;
    z-index: 50;
    width: var(--sidebar-w);
    animation: slide-in 0.2s ease;
  }

  .sidebar-overlay {
    display: none;
  }

  .sidebar-overlay.is-visible {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 40;
    background: var(--color-sidebar-overlay);
    animation: fade-in 0.2s ease;
  }

  @keyframes fade-in {
    from { opacity: 0; }
    to   { opacity: 1; }
  }

  @keyframes slide-in {
    from { transform: translateX(-100%); }
    to   { transform: translateX(0); }
  }
}

@media (max-width: 640px) {
  .topbar {
    padding: var(--space-3) var(--space-4);
  }

  .card {
    padding: var(--space-4);
  }

  .table-modal {
    padding: 0;
  }

  .table-modal__panel {
    max-height: 100vh;
    border-radius: 0;
  }
}