/* México Makers — UI v6 (Tech / Maker) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ── Design tokens ── */
:root {
  --bg:          #f8fafc;
  --surface:     #ffffff;
  --card:        #ffffff;

  --text:        #0f172a;
  --text-2:      #334155;
  --muted:       #64748b;

  --accent:      #0ea5e9;
  --accent-h:    #0284c7;
  --accent-soft: rgba(14,165,233,.07);

  --accent2:     #f97316;
  --accent2-h:   #ea580c;
  --accent2-soft:rgba(249,115,22,.07);

  --ok:          #059669;
  --ok-soft:     rgba(5,150,105,.08);
  --warn:        #d97706;
  --warn-soft:   rgba(217,119,6,.08);
  --bad:         #dc2626;
  --bad-soft:    rgba(220,38,38,.07);

  --border:      rgba(0,0,0,.08);
  --border-md:   rgba(0,0,0,.14);

  --shadow-xs:   0 1px 2px rgba(0,0,0,.04);
  --shadow-sm:   0 1px 4px rgba(0,0,0,.05), 0 1px 2px rgba(0,0,0,.03);
  --shadow-md:   0 2px 8px rgba(0,0,0,.06), 0 1px 3px rgba(0,0,0,.04);
  --shadow-lg:   0 4px 16px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04);
  --shadow:      var(--shadow-sm);

  --radius-lg:   12px;
  --radius-md:   8px;
  --radius-sm:   6px;

  --transition:  .18s ease;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box }
html, body { height: 100% }
body {
  margin: 0;
  font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none }
a:hover { text-decoration: underline }

/* ── Layout ── */
.container {
  max-width: min(96vw, 1720px);
  margin: 0 auto;
  padding: 16px 18px;
}

/* ── Navigation ── */
.nav {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border: 1px solid var(--border);
  background: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 10px;
  z-index: 20;
}

.brand { display: flex; align-items: center; gap: 10px }

/* Logo */
.logo {
  width: 36px; height: 36px;
  border-radius: 8px;
  background-image: image-set(
    url('/public/logo-mexico-makers.webp') type('image/webp'),
    url('/public/logo-mexico-makers.jpg') type('image/jpeg')
  );
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  box-shadow: 0 1px 4px rgba(0,0,0,.10);
  cursor: pointer;
  user-select: none;
  flex-shrink: 0;
}
.logo.logo-lg {
  width: 160px; height: 80px;
  border-radius: var(--radius-md);
  background-size: contain;
  background-color: #fff;
}

.brand h1 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -.2px;
}
.brand p { margin: 0; font-size: 12px; color: var(--muted); font-weight: 500 }

.brand-copy h1 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -.3px;
  line-height: 1.15;
}

/* Nav links */
.navlinks { display: flex; gap: 4px; flex-wrap: wrap }
.navlinks a {
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  color: var(--text-2);
  background: transparent;
  font-size: 13px;
  font-weight: 500;
  transition: all var(--transition);
}
.navlinks a:hover {
  background: var(--bg);
  border-color: var(--border);
  color: var(--text);
  text-decoration: none;
}
.navlinks a.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
  font-weight: 600;
}

/* ── Grid / Cards ── */
.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 14px;
}
@media(min-width:900px) { .grid { grid-template-columns: 1.15fr .85fr } }

.card {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition), border-color var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-md);
}
.card h2 {
  margin: 0 0 14px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -.2px;
  color: var(--text);
}

/* ── Typography helpers ── */
.muted { color: var(--muted); font-size: 13px; line-height: 1.55 }
.small { font-size: 12px }
h3 { margin: 0 0 8px; font-size: 15px; font-weight: 700 }

/* ── Row / Col grid ── */
.row { display: grid; grid-template-columns: 1fr; gap: 12px }
@media(min-width:700px) { .row.cols2 { grid-template-columns: 1fr 1fr } }

.row.cols3 { grid-template-columns: 1fr }
.row.cols4 { grid-template-columns: 1fr }
@media(min-width:900px) {
  .row.cols3 { grid-template-columns: repeat(3,minmax(0,1fr)) }
  .row.cols4 { grid-template-columns: repeat(4,minmax(0,1fr)) }
}

/* ── Forms ── */
label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-2);
  margin: 10px 0 4px;
  letter-spacing: .15px;
  text-transform: uppercase;
}
input, select, textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  background: #fff;
  border: 1px solid rgba(0,0,0,.14);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
input::placeholder, textarea::placeholder { color: #9ca3af }
textarea { min-height: 120px; resize: vertical }
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(14,165,233,.12);
}
input[readonly] {
  background: #f9fafb;
  color: var(--muted);
}

/* ── Button ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #ffffff;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: .15px;
  transition: background var(--transition), border-color var(--transition),
              box-shadow var(--transition), transform var(--transition);
  white-space: nowrap;
}
.btn:hover:not(:disabled) {
  background: var(--accent-h);
  border-color: var(--accent-h);
  box-shadow: 0 2px 8px rgba(14,165,233,.25);
  transform: translateY(-1px);
}
.btn:active:not(:disabled) { box-shadow: none; transform: translateY(0) }
.btn:disabled { opacity: .45; cursor: not-allowed }

/* Outline variant */
.btn-outline {
  background: transparent;
  border-color: var(--border-md);
  color: var(--text-2);
}
.btn-outline:hover:not(:disabled) {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: none;
}

/* Danger variant */
.btn-danger {
  background: var(--bad);
  border-color: var(--bad);
}
.btn-danger:hover:not(:disabled) {
  background: #b91c1c;
  border-color: #b91c1c;
  box-shadow: 0 2px 8px rgba(220,38,38,.25);
}

/* Ghost variant (minimal) */
.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--text-2);
}
.btn-ghost:hover:not(:disabled) {
  background: rgba(0,0,0,.04);
  border-color: transparent;
  color: var(--text);
  box-shadow: none;
}

/* Secondary / outline variant via inline style override (legacy compat) */
.btn[style*="background:transparent"], .btn[style*="background: transparent"] {
  color: var(--text-2) !important;
  border-color: var(--border) !important;
}

/* ── Badges ── */
.badge {
  display: inline-flex;
  gap: 5px;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #f1f5f9;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .25px;
  text-transform: uppercase;
}
.badge.ok {
  border-color: rgba(5,150,105,.25);
  background: var(--ok-soft);
  color: var(--ok);
}
.badge.warn {
  border-color: rgba(217,119,6,.25);
  background: var(--warn-soft);
  color: var(--warn);
}
.badge.bad {
  border-color: rgba(220,38,38,.25);
  background: var(--bad-soft);
  color: var(--bad);
}

/* ── Divider ── */
.hr { height: 1px; background: var(--border); margin: 16px 0 }

/* ── Key-value grid ── */
.kv { display: grid; grid-template-columns: 1fr; gap: 8px }
@media(min-width:700px) { .kv { grid-template-columns: 1fr 1fr } }
.kv div {
  padding: 10px 12px;
  border-radius: var(--radius-md);
  background: #f9fafb;
  border: 1px solid var(--border);
}
.kv b {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 3px;
}

/* ── Toast / Timeline ── */
.toast {
  margin-top: 10px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-xs);
  transition: box-shadow var(--transition), transform var(--transition);
}
.toast:hover { box-shadow: var(--shadow-sm); transform: translateY(-1px) }

#timeline .toast { position: relative; padding-left: 22px }
#timeline .toast::before {
  content: "";
  position: absolute;
  left: 7px; top: 16px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* ── File chips ── */
.preview { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px }
.filechip {
  display: flex;
  gap: 7px;
  align-items: center;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: #f9fafb;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-2);
}
.filechip button {
  all: unset;
  cursor: pointer;
  color: var(--bad);
  font-weight: 900;
  line-height: 1;
  padding: 0 2px;
}
.filechip button:hover { opacity: .7 }

/* ── Table ── */
.table {
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  font-size: 13px;
}
.table thead { background: #f9fafb }
.table th, .table td {
  padding: 11px 12px;
  border-bottom: 1px solid rgba(0,0,0,.06);
  vertical-align: top;
}
.table th {
  color: var(--muted);
  text-align: left;
  font-weight: 600;
  font-size: 11px;
  letter-spacing: .5px;
  text-transform: uppercase;
}
.table tbody tr:last-child td { border-bottom: none }
.table tbody tr { transition: background var(--transition) }
.table tbody tr:hover { background: rgba(14,165,233,.04) }
.table.dense th, .table.dense td { padding: 7px 9px; font-size: 12px }

/* ── Pill ── */
.pill {
  padding: 3px 9px;
  border-radius: 999px;
  background: #f4f6f8;
  border: 1px solid var(--border);
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
}
.pill-btn {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 999px;
  padding: 8px 14px;
  min-height: 36px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}
.pill-btn:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}
.pill-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ── Category pills ── */
.cat-pill { font-weight: 600; transition: transform var(--transition) }
.cat-extrusion   { background: rgba(217,119,6,.09); border-color: rgba(217,119,6,.25); color: #92400e }
.cat-cama        { background: rgba(14,165,233,.07); border-color: rgba(14,165,233,.25); color: #0369a1 }
.cat-boquilla    { background: rgba(220,38,38,.06); border-color: rgba(220,38,38,.25); color: #b91c1c }
.cat-ams         { background: rgba(5,150,105,.07); border-color: rgba(5,150,105,.25); color: #047857 }
.cat-firmware    { background: rgba(109,40,217,.07); border-color: rgba(109,40,217,.25); color: #6d28d9 }
.cat-other       { background: rgba(100,116,139,.07); border-color: rgba(100,116,139,.25); color: #475569 }

/* ── Kanban ── */
.kanban {
  display: grid;
  grid-template-columns: repeat(5, minmax(220px,1fr));
  gap: 12px;
  overflow: auto;
  padding-bottom: 8px;
}
.kanban-col {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #f9fafb;
  padding: 10px;
  min-height: 180px;
}
.kanban-col h3 {
  margin: 0 0 8px;
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .5px;
}
.ticket-mini {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  margin-bottom: 8px;
  box-shadow: var(--shadow-xs);
  transition: box-shadow var(--transition), transform var(--transition);
}
.ticket-mini:hover { box-shadow: var(--shadow-sm); transform: translateY(-1px) }
.ticket-mini .top { display: flex; justify-content: space-between; gap: 8px; align-items: center }
.ticket-mini[draggable="true"] { cursor: grab }
.ticket-mini.dragging { opacity: .55; transform: scale(.98) }
.kanban-col.drop-target { outline: 2px dashed var(--accent); outline-offset: 2px }

/* ── KPI grid (dashboard/reports) ── */
.kpi-grid { grid-template-columns: repeat(2,minmax(0,1fr)) }
@media(min-width:1200px) { .kpi-grid { grid-template-columns: repeat(4,minmax(0,1fr)) } }

/* ── Focus visible (accessibility) ── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.btn:focus-visible, .pill-btn:focus-visible, .navlinks a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px var(--accent-soft);
}
input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: none; /* already has border + shadow focus style */
}

/* ── Skeleton loader ── */
.skeleton {
  background: linear-gradient(90deg, #e2e8f0 25%, #f1f5f9 50%, #e2e8f0 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
  min-height: 20px;
}
.skeleton-text { height: 14px; width: 60%; margin: 6px 0 }
.skeleton-heading { height: 20px; width: 40%; margin: 8px 0 }
.skeleton-card { height: 120px }
.skeleton-kpi { height: 80px }
@keyframes skeleton-shimmer {
  0%   { background-position: 200% 0 }
  100% { background-position: -200% 0 }
}

/* ── Floating notifications ── */
.notif-container {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
  max-width: min(400px, calc(100vw - 32px));
}
.notif {
  pointer-events: auto;
  padding: 12px 38px 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  font-size: 13px;
  line-height: 1.5;
  display: flex;
  align-items: center;
  gap: 8px;
  animation: notif-in .25s ease;
  position: relative;
  overflow: hidden;
}
.notif.ok   { border-color: rgba(5,150,105,.3); background: #f0fdf4 }
.notif.warn { border-color: rgba(217,119,6,.3); background: #fffbeb }
.notif.bad  { border-color: rgba(220,38,38,.3); background: #fef2f2 }
.notif-close {
  position: absolute;
  top: 6px; right: 8px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  color: var(--muted);
  line-height: 1;
  padding: 2px 4px;
}
.notif-close:hover { color: var(--text) }
.notif-progress {
  position: absolute;
  bottom: 0; left: 0;
  height: 3px;
  background: var(--accent);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  animation: notif-timer linear forwards;
}
.notif.ok .notif-progress   { background: var(--ok) }
.notif.warn .notif-progress { background: var(--warn) }
.notif.bad .notif-progress  { background: var(--bad) }
@keyframes notif-in {
  from { opacity: 0; transform: translateX(40px) }
  to   { opacity: 1; transform: translateX(0) }
}
@keyframes notif-out {
  from { opacity: 1; transform: translateX(0); max-height: 100px }
  to   { opacity: 0; transform: translateX(40px); max-height: 0; padding: 0; margin: 0; border: 0 }
}
@keyframes notif-timer {
  from { width: 100% }
  to   { width: 0% }
}

/* ── Session expired modal ── */
.session-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: notif-in .2s ease;
}
.session-modal {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  max-width: 360px;
  width: 90%;
  box-shadow: var(--shadow-lg);
  text-align: center;
}
.session-modal h3 { margin: 0 0 8px; font-size: 17px }
.session-modal p { color: var(--muted); font-size: 14px; margin: 0 0 18px }
.session-modal .btn { width: 100% }

/* ── Tutorial search modal ── */
.tut-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: notif-in .2s ease;
}
.tut-modal {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 24px 22px;
  width: min(460px, 92vw);
  box-shadow: var(--shadow-lg);
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}
.tut-results {
  overflow-y: auto;
  flex: 1;
  min-height: 80px;
}
.tut-item {
  padding: 10px 12px;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid var(--border);
  margin-bottom: 6px;
  transition: background var(--transition), border-color var(--transition);
}
.tut-item:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
}
.tut-item-title {
  font-weight: 500;
  font-size: 14px;
  margin-bottom: 2px;
}

/* ── Upload progress bar ── */
.upload-progress {
  margin-top: 8px;
  height: 6px;
  background: #e2e8f0;
  border-radius: 999px;
  overflow: hidden;
  display: none;
}
.upload-progress-bar {
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
  width: 0%;
  transition: width .2s ease;
}

/* ── SLA progress indicator ── */
.sla-bar {
  height: 4px;
  background: #e2e8f0;
  border-radius: 999px;
  margin-top: 6px;
  overflow: hidden;
}
.sla-bar-fill {
  height: 100%;
  border-radius: 999px;
  transition: width .3s ease;
}
.sla-bar-fill.ok   { background: var(--ok) }
.sla-bar-fill.warn { background: var(--warn) }
.sla-bar-fill.bad  { background: var(--bad) }

/* ── Kanban drag enhanced ── */
.kanban-col.drag-over {
  background: var(--accent-soft);
  outline: 2px solid var(--accent);
  outline-offset: -2px;
  transition: background .15s ease, outline .15s ease;
}
.kanban-col.drag-over h3 { color: var(--accent) }
.ticket-mini.drag-ghost {
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

/* ── Group tabs ── */
.group-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 14px;
  border-bottom: 2px solid var(--border);
}
.group-tab {
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 500;
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  color: var(--muted);
  cursor: pointer;
  transition: color .15s, border-color .15s;
}
.group-tab:hover {
  color: var(--fg);
}
.group-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ── Results counter ── */
.results-count {
  font-size: 13px;
  color: var(--muted);
  font-weight: 500;
  padding: 4px 0;
}

/* ── Empty state ── */
.empty-state {
  text-align: center;
  padding: 32px 20px;
  color: var(--muted);
  font-size: 14px;
}
.empty-state svg { margin-bottom: 8px; opacity: .4 }
.empty-state p { margin: 4px 0 0 }

/* ── Helper text ── */
.helper {
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
  line-height: 1.4;
}

/* ── Sticky filters ── */
.sticky-filters { position: sticky; top: 72px; z-index: 10 }

/* ── Footer ── */
.footer {
  margin-top: 24px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
  font-weight: 500;
  letter-spacing: .2px;
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ── Responsive (handled by hamburger nav at 900px — see below) ── */

@media(min-width:1200px) {
  .card { padding: 18px }
  .row { gap: 10px }
  .table th, .table td { padding: 9px 11px }
  input, select, textarea { padding: 9px 11px }
  .kv { gap: 7px }
  .kv div { padding: 9px 11px }
}

@media(min-width:1400px) {
  .grid { grid-template-columns: 1.2fr .8fr }
  .row.cols2 { grid-template-columns: 1fr 1fr }
}

/* ── Dark mode (manual toggle via [data-theme="dark"]) ── */
/* Paleta inspirada en GitHub Dark / Vercel: tonos neutros ligeramente fríos,
   contraste cómodo, acentos desaturados, jerarquía de superficies clara. */
[data-theme="dark"] {
  /* Superficies en 3 niveles para dar profundidad */
  --bg:          #0d1117;   /* fondo página */
  --surface:     #161b22;   /* nav, inputs, tablas */
  --card:        #1c2128;   /* cards elevadas */

  /* Texto: off-white para reducir fatiga, jerarquía clara */
  --text:        #e6edf3;
  --text-2:      #c9d1d9;
  --muted:       #8b949e;

  /* Acento sky desaturado, no quema */
  --accent:      #58a6ff;
  --accent-h:    #79b8ff;
  --accent-soft: rgba(88,166,255,.12);

  /* Naranja cálido pero suave */
  --accent2:     #f0883e;
  --accent2-h:   #f6a25b;
  --accent2-soft:rgba(240,136,62,.12);

  /* Estados */
  --ok:          #3fb950;
  --ok-soft:     rgba(63,185,80,.13);
  --warn:        #d29922;
  --warn-soft:   rgba(210,153,34,.13);
  --bad:         #f85149;
  --bad-soft:    rgba(248,81,73,.13);

  /* Bordes sutiles */
  --border:      rgba(240,246,252,.10);
  --border-md:   rgba(240,246,252,.18);

  /* Sombras profundas pero no exageradas */
  --shadow-xs:   0 1px 2px rgba(0,0,0,.4);
  --shadow-sm:   0 1px 3px rgba(0,0,0,.45), 0 1px 2px rgba(0,0,0,.3);
  --shadow-md:   0 4px 12px rgba(0,0,0,.5), 0 2px 4px rgba(0,0,0,.35);
  --shadow-lg:   0 8px 24px rgba(0,0,0,.55), 0 3px 6px rgba(0,0,0,.4);

  color-scheme: dark;
}

/* Transición suave al cambiar de tema */
html { transition: background-color .25s ease, color .25s ease; }
body, .nav, .card, input, select, textarea, .btn, .theme-toggle, .kv div, .table th, .table td {
  transition: background-color .25s ease, border-color .25s ease, color .25s ease;
}

[data-theme="dark"] body {
  background: var(--bg);
  color: var(--text);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(88,166,255,.06), transparent 60%),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(240,136,62,.04), transparent 50%);
  background-attachment: fixed;
}

/* Nav: superficie elevada con borde sutil */
[data-theme="dark"] .nav {
  background: rgba(22,27,34,.85);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-color: var(--border);
  box-shadow: 0 1px 0 rgba(255,255,255,.04) inset, var(--shadow-md);
}

/* Cards: ligeramente más claras que el fondo, con borde sutil */
[data-theme="dark"] .card {
  background: var(--card);
  border-color: var(--border);
  box-shadow: 0 1px 0 rgba(255,255,255,.03) inset, var(--shadow-sm);
}
[data-theme="dark"] .card h2,
[data-theme="dark"] .card h3 { color: var(--text); }

/* Inputs: superficie levemente más oscura para diferenciarse de la card */
[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea {
  background: #0d1117;
  color: var(--text);
  border-color: var(--border-md);
}
[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder { color: #6e7681; }
[data-theme="dark"] input:focus,
[data-theme="dark"] select:focus,
[data-theme="dark"] textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(88,166,255,.18);
  outline: none;
}

/* Labels y texto secundario */
[data-theme="dark"] label { color: var(--text-2); }
[data-theme="dark"] .muted,
[data-theme="dark"] .small.muted,
[data-theme="dark"] p.muted { color: var(--muted); }

/* Botones */
[data-theme="dark"] .btn {
  background: linear-gradient(180deg, #21262d 0%, #1c2128 100%);
  color: var(--text);
  border-color: var(--border-md);
}
[data-theme="dark"] .btn:hover {
  background: linear-gradient(180deg, #2d333b 0%, #21262d 100%);
  border-color: var(--accent);
  color: var(--accent-h);
}
[data-theme="dark"] .btn.primary,
[data-theme="dark"] .btn[data-variant="primary"] {
  background: linear-gradient(180deg, var(--accent) 0%, #4493e6 100%);
  border-color: rgba(0,0,0,.2);
  color: #0d1117;
}
[data-theme="dark"] .btn.primary:hover {
  background: linear-gradient(180deg, var(--accent-h) 0%, var(--accent) 100%);
  color: #0d1117;
}

/* Links */
[data-theme="dark"] a { color: var(--accent); }
[data-theme="dark"] a:hover { color: var(--accent-h); }

/* Nav links */
[data-theme="dark"] .navlinks a {
  color: var(--text-2);
}
[data-theme="dark"] .navlinks a:hover {
  color: var(--accent-h);
  background: var(--accent-soft);
  text-decoration: none;
}
[data-theme="dark"] .navlinks a.active {
  color: var(--accent);
  background: var(--accent-soft);
}

/* Tablas */
[data-theme="dark"] .table { background: var(--card); }
[data-theme="dark"] .table th {
  background: #1f242c;
  color: var(--text-2);
  border-color: var(--border);
}
[data-theme="dark"] .table td {
  background: transparent;
  color: var(--text-2);
  border-color: var(--border);
}
[data-theme="dark"] .table tbody tr:hover td {
  background: rgba(88,166,255,.06);
  color: var(--text);
}
[data-theme="dark"] .table tbody tr:nth-child(even) td {
  background: rgba(255,255,255,.015);
}

/* KV pairs */
[data-theme="dark"] .kv div {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text-2);
}

/* Logo: mantener fondo blanco para el logo grande */
[data-theme="dark"] .logo.logo-lg { background-color: #fff; }

/* Badges/pills si existen */
[data-theme="dark"] .badge,
[data-theme="dark"] .pill,
[data-theme="dark"] .chip {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text-2);
}

/* Scrollbar fino y oscuro */
[data-theme="dark"] * {
  scrollbar-color: #30363d #0d1117;
}
[data-theme="dark"] *::-webkit-scrollbar { width: 10px; height: 10px; }
[data-theme="dark"] *::-webkit-scrollbar-track { background: #0d1117; }
[data-theme="dark"] *::-webkit-scrollbar-thumb {
  background: #30363d;
  border-radius: 5px;
  border: 2px solid #0d1117;
}
[data-theme="dark"] *::-webkit-scrollbar-thumb:hover { background: #484f58; }

/* Selection */
[data-theme="dark"] ::selection {
  background: rgba(88,166,255,.35);
  color: var(--text);
}

/* Footer */
[data-theme="dark"] .footer { color: var(--muted); }

/* Theme toggle button */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin-left: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--text-2);
  font-size: 16px;
  line-height: 1;
  transition: var(--transition);
}
.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
  transform: rotate(15deg) scale(1.05);
}
[data-theme="dark"] .theme-toggle {
  background: var(--card);
  border-color: var(--border-md);
  color: #f0c674;
}
[data-theme="dark"] .theme-toggle:hover {
  background: rgba(240,198,116,.12);
  border-color: #f0c674;
  color: #ffd97d;
}

/* ══════════════════════════════════════════════
   UX/UI Pro Max improvements — 2026-04-10
   ══════════════════════════════════════════════ */

/* ── Skip to content (accessibility) ── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: 10001;
  padding: 10px 18px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: top .2s ease;
}
.skip-link:focus {
  top: 10px;
}

/* ── Inline SVG icon helper ── */
.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  vertical-align: middle;
}
.icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.icon-sm { width: 14px; height: 14px }
.icon-lg { width: 22px; height: 22px }

/* Nav link icons */
.navlinks a .icon,
.navlinks button .icon {
  margin-right: 2px;
  opacity: .7;
}
.navlinks a:hover .icon,
.navlinks a.active .icon { opacity: 1 }

/* ── Hamburger menu (mobile/tablet) ── */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--text-2);
  padding: 0;
  transition: background var(--transition), color var(--transition);
}
.nav-toggle:hover {
  background: var(--accent-soft);
  color: var(--accent);
}
.nav-toggle .icon { width: 22px; height: 22px }
[data-theme="dark"] .nav-toggle {
  background: var(--card);
  border-color: var(--border-md);
}

/* Mobile nav drawer */
.nav-drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.4);
  z-index: 99;
  animation: fade-in .2s ease;
}
.nav-drawer-overlay.open { display: block }

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

.navlinks.drawer-open {
  display: flex !important;
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: min(280px, 80vw);
  z-index: 100;
  flex-direction: column;
  gap: 2px;
  padding: 16px;
  background: var(--surface);
  border-left: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  overflow-y: auto;
  animation: drawer-in .25s ease;
}
[data-theme="dark"] .navlinks.drawer-open {
  background: var(--card);
  border-color: var(--border-md);
}

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

.navlinks.drawer-open a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  min-height: 44px;
  border-radius: var(--radius-md);
  font-size: 14px;
  border: none;
  background: transparent;
  white-space: nowrap;
}
.navlinks.drawer-open a:hover {
  background: var(--accent-soft);
}
.navlinks.drawer-open a.active {
  background: var(--accent);
  color: #fff;
}

.drawer-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  background: transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--text-2);
  margin-left: auto;
  margin-bottom: 8px;
  padding: 0;
}
.drawer-close:hover { color: var(--bad) }

@media(max-width:900px) {
  .nav-toggle { display: flex }
  .navlinks:not(.drawer-open) { display: none !important }
  .nav {
    display: flex;
    position: sticky;
    top: 10px;
  }
}

/* ── Primary button fix (dark mode) ── */
.btn-primary,
.btn[data-variant="primary"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn-primary:hover:not(:disabled),
.btn[data-variant="primary"]:hover:not(:disabled) {
  background: var(--accent-h);
  border-color: var(--accent-h);
  box-shadow: 0 2px 8px rgba(14,165,233,.25);
}
[data-theme="dark"] .btn-primary,
[data-theme="dark"] .btn[data-variant="primary"] {
  background: var(--accent);
  border-color: rgba(0,0,0,.2);
  color: #0d1117;
}
[data-theme="dark"] .btn-primary:hover:not(:disabled),
[data-theme="dark"] .btn[data-variant="primary"]:hover:not(:disabled) {
  background: var(--accent-h);
  color: #0d1117;
}

/* Ensure default .btn in dark mode stays recognizable */
[data-theme="dark"] .btn:not(.btn-primary):not(.btn-outline):not(.btn-ghost):not(.btn-danger):not([data-variant="primary"]) {
  background: var(--accent);
  border-color: var(--accent);
  color: #0d1117;
}
[data-theme="dark"] .btn:not(.btn-primary):not(.btn-outline):not(.btn-ghost):not(.btn-danger):not([data-variant="primary"]):hover:not(:disabled) {
  background: var(--accent-h);
  border-color: var(--accent-h);
  color: #0d1117;
}

/* ── Utility classes (replacing inline styles) ── */
.flex        { display: flex }
.flex-col    { flex-direction: column }
.flex-wrap   { flex-wrap: wrap }
.items-center { align-items: center }
.items-end   { align-items: flex-end }
.justify-between { justify-content: space-between }
.gap-4  { gap: 4px }
.gap-8  { gap: 8px }
.gap-10 { gap: 10px }
.gap-12 { gap: 12px }
.mt-0   { margin-top: 0 }
.mt-8   { margin-top: 8px }
.mt-10  { margin-top: 10px }
.mt-12  { margin-top: 12px }
.mb-10  { margin-bottom: 10px }
.w-auto { width: auto }
.radio-group { display: flex; gap: 12px; margin-bottom: 6px }
.radio-label { display: flex; align-items: center; gap: 4px; font-weight: normal; cursor: pointer; margin: 0 }

/* ── Password toggle ── */
.pw-wrap {
  position: relative;
}
.pw-wrap input {
  padding-right: 42px;
}
.pw-toggle {
  position: absolute;
  right: 1px;
  top: 1px;
  bottom: 1px;
  width: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-left: 1px solid var(--border);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  cursor: pointer;
  color: var(--muted);
  padding: 0;
  transition: color var(--transition);
}
.pw-toggle:hover { color: var(--accent) }
[data-theme="dark"] .pw-toggle { border-color: var(--border-md) }

/* ── SLA color-not-only: text labels inside bars ── */
.sla-bar {
  position: relative;
  display: flex;
  align-items: center;
}
.sla-label {
  position: absolute;
  right: 4px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .3px;
  color: var(--text-2);
  text-transform: uppercase;
  pointer-events: none;
}

/* Badge with icon prefix for color-not-only */
.badge .icon { width: 12px; height: 12px; margin-right: 2px }

/* ── Stagger animations ── */
@keyframes stagger-in {
  from { opacity: 0; transform: translateY(8px) }
  to   { opacity: 1; transform: translateY(0) }
}
.stagger-item {
  animation: stagger-in .3s ease both;
}
.stagger-item:nth-child(1)  { animation-delay: 0ms }
.stagger-item:nth-child(2)  { animation-delay: 40ms }
.stagger-item:nth-child(3)  { animation-delay: 80ms }
.stagger-item:nth-child(4)  { animation-delay: 120ms }
.stagger-item:nth-child(5)  { animation-delay: 160ms }
.stagger-item:nth-child(6)  { animation-delay: 200ms }
.stagger-item:nth-child(7)  { animation-delay: 240ms }
.stagger-item:nth-child(8)  { animation-delay: 280ms }
.stagger-item:nth-child(9)  { animation-delay: 320ms }
.stagger-item:nth-child(10) { animation-delay: 360ms }
.stagger-item:nth-child(n+11) { animation-delay: 400ms }

/* KPI cards stagger */
.kpi-card { animation: stagger-in .35s ease both }
.kpi-card:nth-child(1) { animation-delay: 0ms }
.kpi-card:nth-child(2) { animation-delay: 60ms }
.kpi-card:nth-child(3) { animation-delay: 120ms }
.kpi-card:nth-child(4) { animation-delay: 180ms }

/* Kanban cards stagger on load */
.ticket-mini {
  animation: stagger-in .25s ease both;
}

/* Chart cards stagger */
.chart-card { animation: stagger-in .3s ease both }
.chart-card:nth-child(1) { animation-delay: 50ms }
.chart-card:nth-child(2) { animation-delay: 150ms }

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .stagger-item,
  .kpi-card,
  .ticket-mini,
  .chart-card {
    animation: none !important;
  }
}

/* ── Mobile responsive override: keep hamburger layout clean ── */
@media(max-width:900px) {
  .nav {
    gap: 8px;
  }
  .brand h1 { font-size: 15px; line-height: 1.2 }
  .brand p  { font-size: 12px }
  .logo.logo-lg { width: 132px; height: 66px }
  .brand-copy h1 { font-size: 17px }
  .container { padding: 10px }
  .card { padding: 14px }
  .card h2 { font-size: 15px }
  .grid { gap: 10px }
  input, select, textarea, .btn { font-size: 16px }
  .table { display: block; overflow: auto; white-space: nowrap }
}