/* ═══════════════════════════════════════════════════════════════════
   NexoCRM — main.css
   Minimal SaaS design inspired by Linear / Notion — dark + light themes
   ═══════════════════════════════════════════════════════════════════ */

/* ── Variables (dark, default) ─────────────────────────────────────── */
:root,
[data-theme="dark"] {
  --bg:          #0f1117;
  --bg2:         #161b27;
  --bg3:         #1e2433;
  --bg4:         #252d40;
  --bg-hover:    #2a3347;
  --border:      rgba(255,255,255,0.07);
  --border2:     rgba(255,255,255,0.12);

  --text:        #e8ecf0;
  --text2:       #9aa5b4;
  --text3:       #64748b;
  --text-inv:    #0f1117;

  /* Azul opaco (steel blue) en vez del morado/indigo original */
  --accent:      #4a7fb0;
  --accent2:     #6f9dc4;
  --accent-bg:   rgba(74,127,176,0.14);
  --accent-border: rgba(74,127,176,0.4);

  --green:       #22c55e;
  --green-bg:    rgba(34,197,94,0.12);
  --red:         #ef4444;
  --red-bg:      rgba(239,68,68,0.12);
  --yellow:      #f59e0b;
  --yellow-bg:   rgba(245,158,11,0.12);
  --blue:        #3b82f6;
  --blue-bg:     rgba(59,130,246,0.12);

  --radius-sm:   6px;
  --radius:      10px;
  --radius-lg:   14px;
  --radius-xl:   20px;

  --sidebar-w:   220px;
  --topbar-h:    56px;
  --font:        'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:   'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --shadow:      0 1px 3px rgba(0,0,0,.4), 0 4px 16px rgba(0,0,0,.3);
  --shadow-lg:   0 8px 32px rgba(0,0,0,.5);
  --transition:  0.15s ease;
}

/* ── Variables (light) ─────────────────────────────────────────────── */
[data-theme="light"] {
  --bg:          #f6f7f9;
  --bg2:         #ffffff;
  --bg3:         #eef1f5;
  --bg4:         #e3e7ee;
  --bg-hover:    #e9edf3;
  --border:      rgba(15,17,23,0.09);
  --border2:     rgba(15,17,23,0.15);

  --text:        #171a21;
  --text2:       #56606f;
  --text3:       #838da0;
  --text-inv:    #ffffff;

  --accent:      #3f6f9b;
  --accent2:     #5786ab;
  --accent-bg:   rgba(63,111,155,0.10);
  --accent-border: rgba(63,111,155,0.35);

  --shadow:      0 1px 3px rgba(15,17,23,.08), 0 4px 16px rgba(15,17,23,.06);
  --shadow-lg:   0 8px 32px rgba(15,17,23,.12);
}

/* ── Alias vars ─────────────────────────────────────────────────────────
   projects.html / tickets.html / kb.html (y la cola de este archivo) fueron
   escritos contra otra convención de nombres (--surface-N, --text-primary,
   etc.) que nunca se definió, así que caían a estilos por defecto del
   navegador. En vez de tocar decenas de líneas, se mapean acá una sola vez
   a las variables reales — y como var() se resuelve en cascada, esto
   funciona igual en modo claro y oscuro. */
:root {
  --surface-1:      var(--bg2);
  --surface-2:      var(--bg3);
  --surface-3:      var(--bg4);
  --text-primary:   var(--text);
  --text-secondary: var(--text2);
  --text-muted:     var(--text3);
  --accent-faint:   var(--accent-bg);
}

/* ── Reset ───────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}
a { color: var(--accent2); text-decoration: none; }
a:hover { color: var(--text); }
button { cursor: pointer; font-family: var(--font); }
input, textarea, select {
  font-family: var(--font);
  font-size: 14px;
  background: var(--bg3);
  border: 1px solid var(--border2);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  transition: border-color var(--transition);
  width: 100%;
  outline: none;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-bg);
}
input::placeholder, textarea::placeholder { color: var(--text3); }
select option { background: var(--bg3); }
textarea { resize: vertical; min-height: 80px; }
h1 { font-size: 22px; font-weight: 600; }
h2 { font-size: 18px; font-weight: 600; }
h3 { font-size: 15px; font-weight: 600; }
p  { line-height: 1.6; color: var(--text2); }

/* ── Layout shell ───────────────────────────────────────────────────── */
.shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--topbar-h) 1fr;
  grid-template-areas:
    "sidebar topbar"
    "sidebar main";
  height: 100vh;
  overflow: hidden;
}

/* ── Sidebar ─────────────────────────────────────────────────────────── */
.sidebar {
  grid-area: sidebar;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 16px 0;
  overflow-y: auto;
  z-index: 100;
}
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px 20px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}
.sidebar-logo .logo-icon {
  width: 28px;
  height: 28px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}
.sidebar-section {
  padding: 8px 8px 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text3);
}
.sidebar-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  margin: 1px 8px;
  border-radius: var(--radius-sm);
  color: var(--text2);
  font-size: 13.5px;
  font-weight: 450;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  text-decoration: none;
  user-select: none;
}
.sidebar-item:hover { background: var(--bg3); color: var(--text); }
.sidebar-item.active {
  background: var(--accent-bg);
  color: var(--accent2);
  font-weight: 500;
}
.sidebar-item .icon {
  width: 16px;
  height: 16px;
  opacity: 0.7;
  flex-shrink: 0;
}
.sidebar-item.active .icon { opacity: 1; }
.sidebar-item .badge {
  margin-left: auto;
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 10px;
  min-width: 18px;
  text-align: center;
}
.sidebar-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding-top: 8px;
}

/* ── Topbar ──────────────────────────────────────────────────────────── */
.topbar {
  grid-area: topbar;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 99;
}
.topbar-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}
.search-wrap {
  flex: 1;
  max-width: 440px;
  position: relative;
}
.search-input {
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 7px 12px 7px 36px;
  font-size: 13px;
  color: var(--text);
  width: 100%;
  transition: border-color var(--transition);
}
.search-input:focus { border-color: var(--accent); outline: none; }
.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text3);
  width: 14px;
}
.search-results {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  max-height: 420px;
  overflow-y: auto;
  display: none;
}
.search-results.visible { display: block; }
.search-section-title {
  padding: 8px 12px 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text3);
}
.search-result-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  cursor: pointer;
  transition: background var(--transition);
  font-size: 13px;
}
.search-result-item:hover { background: var(--bg4); }
.search-result-item .result-type {
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 500;
  flex-shrink: 0;
}
.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.btn-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid var(--border2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text2);
  transition: background var(--transition), color var(--transition);
  position: relative;
}
.btn-icon:hover { background: var(--bg3); color: var(--text); }
.notif-badge {
  position: absolute;
  top: -3px;
  right: -3px;
  background: var(--red);
  color: #fff;
  font-size: 9px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}
.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
  flex-shrink: 0;
}

/* ── Main content ────────────────────────────────────────────────────── */
.main {
  grid-area: main;
  overflow-y: auto;
  padding: 24px;
  background: var(--bg);
}
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
}
.page-title {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.page-title h1 { font-size: 20px; }
.page-subtitle { color: var(--text3); font-size: 13px; }

/* ── Buttons ─────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 500;
  border: 1px solid transparent;
  transition: background var(--transition), opacity var(--transition), transform .1s;
  cursor: pointer;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent2); border-color: var(--accent2); }
.btn-secondary {
  background: var(--bg3);
  color: var(--text);
  border-color: var(--border2);
}
.btn-secondary:hover { background: var(--bg4); }
.btn-ghost {
  background: transparent;
  color: var(--text2);
  border-color: transparent;
}
.btn-ghost:hover { background: var(--bg3); color: var(--text); }
.btn-danger {
  background: var(--red-bg);
  color: var(--red);
  border-color: rgba(239,68,68,0.25);
}
.btn-danger:hover { background: var(--red); color: #fff; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-lg { padding: 11px 22px; font-size: 15px; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }

/* ── Cards ───────────────────────────────────────────────────────────── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.card-title { font-size: 14px; font-weight: 600; color: var(--text); }

/* ── Stats grid ──────────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color var(--transition);
}
.stat-card:hover { border-color: var(--border2); }
.stat-label { font-size: 12px; color: var(--text3); font-weight: 500; text-transform: uppercase; letter-spacing: 0.4px; }
.stat-value { font-size: 28px; font-weight: 700; color: var(--text); line-height: 1; }
.stat-sub   { font-size: 12px; color: var(--text3); }
.stat-icon  { width: 32px; height: 32px; border-radius: 8px; display: flex; align-items: center; justify-content: center; margin-bottom: 4px; }

/* ── Tables ──────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
thead tr { border-bottom: 1px solid var(--border2); }
thead th {
  padding: 10px 14px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text3);
  white-space: nowrap;
}
tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
tbody tr:hover { background: var(--bg3); cursor: pointer; }
tbody tr:last-child { border-bottom: none; }
tbody td {
  padding: 12px 14px;
  color: var(--text);
  vertical-align: middle;
}
.td-muted { color: var(--text2) !important; font-size: 13px; }
.td-actions { display: flex; gap: 6px; justify-content: flex-end; }

/* ── Badges / Tags ───────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 500;
  white-space: nowrap;
}
.badge-green  { background: var(--green-bg);  color: var(--green);  }
.badge-red    { background: var(--red-bg);    color: var(--red);    }
.badge-yellow { background: var(--yellow-bg); color: var(--yellow); }
.badge-blue   { background: var(--blue-bg);   color: var(--blue);   }
.badge-gray   { background: var(--bg4);       color: var(--text2);  }
.badge-accent { background: var(--accent-bg); color: var(--accent2);}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  background: var(--bg4);
  border: 1px solid var(--border2);
  border-radius: 20px;
  font-size: 11.5px;
  color: var(--text2);
  cursor: pointer;
  transition: background var(--transition);
}
.tag:hover { background: var(--bg-hover); color: var(--text); }
.tags-wrap { display: flex; flex-wrap: wrap; gap: 5px; }

/* ── Forms ───────────────────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-label { font-size: 12.5px; font-weight: 500; color: var(--text2); }
.form-label .required { color: var(--red); margin-left: 2px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; }
.form-grid-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-error { font-size: 12px; color: var(--red); }
.form-hint  { font-size: 12px; color: var(--text3); }

/* ── Modal ───────────────────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(4px);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.modal-backdrop.visible { opacity: 1; pointer-events: all; }
.modal {
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: min(580px, calc(100vw - 40px));
  max-height: calc(100vh - 80px);
  overflow-y: auto;
  transform: translateY(12px) scale(0.97);
  transition: transform 0.2s, opacity 0.2s;
}
.modal-backdrop.visible .modal { transform: translateY(0) scale(1); }
.modal-lg { width: min(780px, calc(100vw - 40px)); }
.modal-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-title { font-size: 16px; font-weight: 600; }
.modal-close {
  width: 28px; height: 28px;
  border-radius: 6px;
  background: transparent;
  border: none;
  color: var(--text3);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background var(--transition);
  font-size: 18px;
  line-height: 1;
}
.modal-close:hover { background: var(--bg3); color: var(--text); }
.modal-body    { padding: 20px 24px; }
.modal-footer  {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ── Notifications panel ─────────────────────────────────────────────── */
.notif-panel {
  position: fixed;
  top: var(--topbar-h);
  right: 0;
  width: 340px;
  height: calc(100vh - var(--topbar-h));
  background: var(--bg2);
  border-left: 1px solid var(--border);
  z-index: 300;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.25s ease;
  box-shadow: var(--shadow-lg);
}
.notif-panel.visible { transform: translateX(0); }
.notif-panel-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  font-weight: 600;
}
.notif-list { flex: 1; overflow-y: auto; }
.notif-item {
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background var(--transition);
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.notif-item:hover { background: var(--bg3); }
.notif-item.unread { background: var(--accent-bg); }
.notif-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  margin-top: 5px;
}
.notif-dot.hidden { opacity: 0; }
.notif-content { flex: 1; min-width: 0; }
.notif-title { font-size: 13px; font-weight: 500; color: var(--text); }
.notif-msg   { font-size: 12px; color: var(--text2); margin-top: 2px; }
.notif-time  { font-size: 11px; color: var(--text3); margin-top: 4px; }

/* ── Kanban ──────────────────────────────────────────────────────────── */
.kanban-wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  align-items: start;
}
.kanban-col {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.kanban-col-header {
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}
.kanban-col-title {
  font-size: 12.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text2);
  display: flex;
  align-items: center;
  gap: 8px;
}
.kanban-count {
  background: var(--bg4);
  color: var(--text3);
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 10px;
}
.kanban-tickets { padding: 8px; display: flex; flex-direction: column; gap: 8px; min-height: 120px; }
.ticket-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  cursor: pointer;
  transition: border-color var(--transition), transform var(--transition);
}
.ticket-card:hover { border-color: var(--border2); transform: translateY(-1px); }
.ticket-card-title { font-size: 13.5px; font-weight: 500; color: var(--text); margin-bottom: 8px; }
.ticket-card-meta  { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }

/* ── Priority dots ───────────────────────────────────────────────────── */
.priority-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.priority-low    { background: var(--green); }
.priority-medium { background: var(--yellow); }
.priority-high   { background: var(--red); }
.priority-critical { background: #dc2626; box-shadow: 0 0 6px rgba(220,38,38,0.5); }

/* ── KB Editor ───────────────────────────────────────────────────────── */
.kb-editor {
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.kb-toolbar {
  display: flex;
  gap: 2px;
  padding: 8px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.kb-tool-btn {
  width: 28px; height: 28px;
  border-radius: 5px;
  background: transparent;
  border: none;
  color: var(--text2);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  cursor: pointer;
  transition: background var(--transition);
}
.kb-tool-btn:hover { background: var(--bg4); color: var(--text); }
.kb-tool-btn.active { background: var(--accent-bg); color: var(--accent2); }
.kb-content-area {
  min-height: 300px;
  padding: 16px;
  outline: none;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}
.kb-content-area[placeholder]:empty::before {
  content: attr(placeholder);
  color: var(--text3);
  pointer-events: none;
}

/* ── Empty state ─────────────────────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 48px 24px;
  text-align: center;
}
.empty-icon {
  font-size: 40px;
  opacity: 0.3;
}
.empty-title { font-size: 15px; font-weight: 600; color: var(--text); }
.empty-sub   { font-size: 13px; color: var(--text3); max-width: 280px; }

/* ── Loading ─────────────────────────────────────────────────────────── */
.spinner, .loading-spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--border2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-overlay {
  position: absolute; inset: 0;
  background: rgba(15,17,23,0.7);
  display: flex; align-items: center; justify-content: center;
  border-radius: inherit;
  z-index: 10;
}

/* ── Toast ───────────────────────────────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 1000;
  pointer-events: none;
}
.toast {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  font-size: 13.5px;
  color: var(--text);
  max-width: 340px;
  pointer-events: all;
  animation: slideUp 0.25s ease forwards;
  border-left: 3px solid var(--accent);
}
.toast.success { border-left-color: var(--green); }
.toast.error   { border-left-color: var(--red);   }
.toast.warning { border-left-color: var(--yellow);}
@keyframes slideUp { from { transform: translateY(12px); opacity: 0; } to { opacity: 1; } }
@keyframes slideDown { to { transform: translateY(12px); opacity: 0; } }

/* ── Tabs ────────────────────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.tab {
  padding: 9px 16px;
  font-size: 13.5px;
  font-weight: 450;
  color: var(--text3);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color var(--transition);
  white-space: nowrap;
}
.tab:hover { color: var(--text2); }
.tab.active { color: var(--accent2); border-bottom-color: var(--accent2); font-weight: 500; }

/* ── Filters bar ─────────────────────────────────────────────────────── */
.filters-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.filters-bar input,
.filters-bar select {
  width: auto;
  padding: 6px 10px;
  font-size: 13px;
}
.filters-bar input { min-width: 200px; }

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

/* ── Utilities ───────────────────────────────────────────────────────── */
.flex      { display: flex; }
.flex-col  { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1     { gap: 4px; }
.gap-2     { gap: 8px; }
.gap-3     { gap: 12px; }
.gap-4     { gap: 16px; }
.mt-1      { margin-top: 4px; }
.mt-2      { margin-top: 8px; }
.mt-3      { margin-top: 12px; }
.mt-4      { margin-top: 16px; }
.mb-4      { margin-bottom: 16px; }
.text-sm   { font-size: 12px; }
.text-muted{ color: var(--text2); }
.text-red  { color: var(--red); }
.text-green{ color: var(--green); }
.truncate  { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.w-full    { width: 100%; }
.hidden    { display: none !important; }

/* ── Login page ──────────────────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  background-image: radial-gradient(ellipse at 20% 50%, rgba(99,102,241,0.07) 0%, transparent 60%),
                    radial-gradient(ellipse at 80% 20%, rgba(99,102,241,0.05) 0%, transparent 50%);
}
.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  box-shadow: var(--shadow-lg);
}
.login-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}
.login-logo-icon {
  width: 40px; height: 40px;
  background: var(--accent);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  font-size: 16px;
  color: #fff;
}

/* ── Scrollbar ───────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bg4); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text3); }

/* ── Detail panel (slide-in from right) ──────────────────────────────── */
.detail-panel {
  position: fixed;
  top: var(--topbar-h);
  right: 0;
  width: 480px;
  height: calc(100vh - var(--topbar-h));
  background: var(--bg2);
  border-left: 1px solid var(--border2);
  z-index: 200;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.25s ease;
  box-shadow: var(--shadow-lg);
}
.detail-panel.visible { transform: translateX(0); }
.detail-header {
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}
.detail-body   { flex: 1; overflow-y: auto; padding: 20px; }
.detail-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  display: flex; gap: 8px;
}
.detail-field { margin-bottom: 14px; }
.detail-field-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.4px; color: var(--text3); margin-bottom: 4px; }
.detail-field-value { font-size: 13.5px; color: var(--text); }

/* ── Responsive ──────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  :root { --sidebar-w: 0px; }
  .sidebar { position: fixed; left: -220px; width: 220px; height: 100vh; transition: left 0.25s; z-index: 500; }
  .sidebar.open { left: 0; }
  .shell { grid-template-columns: 1fr; grid-template-areas: "topbar" "main"; }
  .kanban-wrap { grid-template-columns: 1fr; }
  .form-grid, .form-grid-3 { grid-template-columns: 1fr; }
  .detail-panel { width: 100%; }
}

/* ══════════════════════════════════════════════════════════════
   SUPPLEMENT — Projects / Tickets / KB additions
   ══════════════════════════════════════════════════════════════ */

/* ── Filter bar ─────────────────────────────────────────────── */
.filter-bar { display:flex; gap:.5rem; align-items:center; flex-wrap:wrap; margin-bottom:1.25rem; }
.filter-input  { background:var(--surface-2); border:1px solid var(--border); border-radius:6px;
  color:var(--text-primary); padding:.45rem .75rem; font-size:.875rem; font-family:inherit; outline:none;
  transition:border-color .15s; min-width:180px; }
.filter-input:focus { border-color:var(--accent); }
.filter-select { background:var(--surface-2); border:1px solid var(--border); border-radius:6px;
  color:var(--text-primary); padding:.45rem .75rem; font-size:.875rem; font-family:inherit; cursor:pointer;
  outline:none; }
.filter-spacer { flex:1; }

/* ── Row styles ─────────────────────────────────────────────── */
.row-link { cursor:pointer; transition:background .1s; }
.row-link:hover { background:var(--surface-2); }
.row-sub  { font-size:.75rem; color:var(--text-muted); margin-top:.15rem; }
.row-actions { display:flex; gap:.3rem; justify-content:flex-end; }
.empty-cell { text-align:center; padding:2.5rem 1rem; color:var(--text-muted); }
.empty-icon { font-size:2rem; margin-bottom:.5rem; display:block; }

/* ── Buttons extra ──────────────────────────────────────────── */
.btn-sm     { padding:.3rem .65rem; font-size:.8rem; }
.btn-xs     { padding:.2rem .45rem; font-size:.75rem; background:var(--surface-3); border:1px solid var(--border);
  border-radius:4px; color:var(--text-secondary); cursor:pointer; transition:all .15s; }
.btn-xs:hover  { border-color:var(--accent); color:var(--accent); }
.btn-xs.accent { border-color:var(--accent); color:var(--accent); }
.btn-xs.success{ border-color:#4ade80; color:#4ade80; }
.btn-icon  { background:transparent; border:1px solid transparent; border-radius:5px; cursor:pointer;
  font-size:.85rem; padding:.2rem .3rem; color:var(--text-muted); transition:all .15s; }
.btn-icon:hover { background:var(--surface-2); border-color:var(--border); color:var(--text-primary); }
.btn-icon.active { background:var(--accent-faint); border-color:var(--accent); }
.btn-icon.danger:hover { background:rgba(239,68,68,.1); border-color:#ef4444; color:#ef4444; }
.btn-ghost { background:transparent; border:1px solid var(--border); color:var(--text-secondary); }
.btn-ghost:hover { border-color:var(--accent); color:var(--accent); }
.btn-danger { background:rgba(239,68,68,.15); border:1px solid #ef4444; color:#ef4444; }
.btn-danger:hover { background:rgba(239,68,68,.25); }
.btn-success { background:rgba(74,222,128,.15); border:1px solid #4ade80; color:#4ade80; }

/* ── View toggle (Kanban/List) ──────────────────────────────── */
.view-toggle { display:flex; gap:.25rem; background:var(--surface-2); border:1px solid var(--border);
  border-radius:6px; padding:.2rem; }
.vtbtn { background:transparent; border:none; color:var(--text-muted); cursor:pointer; border-radius:4px;
  padding:.25rem .55rem; font-size:1rem; transition:all .15s; }
.vtbtn.active { background:var(--accent); color:#fff; }

/* ── Kanban board ───────────────────────────────────────────── */
.kanban-board { display:grid; grid-template-columns:repeat(3,1fr); gap:1rem; align-items:start; }
.kanban-col   { background:var(--surface-1); border:1px solid var(--border); border-radius:10px; overflow:hidden; }
.kanban-col-header { padding:.65rem 1rem; display:flex; align-items:center; gap:.5rem;
  font-size:.82rem; font-weight:600; color:var(--text-secondary); border-bottom:1px solid var(--border);
  background:var(--surface-2); }
.kanban-dot      { width:8px; height:8px; border-radius:50%; }
.dot-open        { background:#f59e0b; }
.dot-in_progress { background:#3b82f6; }
.dot-closed      { background:#22c55e; }
.kanban-count    { margin-left:auto; background:var(--surface-3); border-radius:20px; padding:.05rem .45rem;
  font-size:.75rem; color:var(--text-muted); }
.kanban-cards    { padding:.6rem; display:flex; flex-direction:column; gap:.5rem; min-height:80px; }
.kanban-empty    { text-align:center; color:var(--text-muted); font-size:.8rem; padding:1rem; }
.kanban-card     { background:var(--surface-2); border:1px solid var(--border); border-radius:8px;
  padding:.75rem; cursor:pointer; transition:border-color .15s, box-shadow .15s; }
.kanban-card:hover { border-color:var(--accent); box-shadow:0 2px 8px rgba(0,0,0,.2); }
.kc-header  { display:flex; justify-content:space-between; align-items:center; margin-bottom:.4rem; }
.kc-id      { font-size:.7rem; color:var(--text-muted); font-family:monospace; }
.kc-title   { font-size:.875rem; font-weight:600; color:var(--text-primary); margin-bottom:.3rem; }
.kc-desc    { font-size:.78rem; color:var(--text-secondary); margin-bottom:.4rem; line-height:1.45; }
.kc-footer  { display:flex; justify-content:space-between; font-size:.73rem; color:var(--text-muted);
  margin-bottom:.4rem; }
.kc-actions { display:flex; gap:.3rem; flex-wrap:wrap; border-top:1px solid var(--border);
  padding-top:.4rem; margin-top:.2rem; }

/* ── Panel (slide-in) ───────────────────────────────────────── */
.panel-header { display:flex; justify-content:space-between; align-items:flex-start; padding:1rem 1.25rem;
  border-bottom:1px solid var(--border); }
.panel-header h3 { font-size:1rem; font-weight:600; color:var(--text-primary); margin:0; line-height:1.4; }
.panel-close  { background:transparent; border:none; color:var(--text-muted); cursor:pointer; font-size:1rem;
  padding:.15rem .3rem; border-radius:4px; transition:background .15s; }
.panel-close:hover { background:var(--surface-2); }
.panel-tabs   { display:flex; gap:0; border-bottom:1px solid var(--border); background:var(--surface-2); }
.ptab         { background:transparent; border:none; border-bottom:2px solid transparent; color:var(--text-muted);
  cursor:pointer; font-size:.82rem; font-weight:500; padding:.6rem 1rem; transition:all .15s; font-family:inherit; }
.ptab:hover   { color:var(--text-primary); }
.ptab.active  { color:var(--accent); border-bottom-color:var(--accent); }
.panel-body   { flex:1; overflow-y:auto; padding:1rem 1.25rem; display:flex; flex-direction:column; gap:.75rem; }

/* ── Detail grid ─────────────────────────────────────────────── */
.detail-grid { display:grid; grid-template-columns:100px 1fr; gap:.4rem .75rem; align-items:start; }
.detail-grid label { font-size:.78rem; font-weight:600; text-transform:uppercase; letter-spacing:.3px;
  color:var(--text-muted); padding-top:.2rem; }

/* ── Modal tabs ──────────────────────────────────────────────── */
.modal-tabs { display:flex; border-bottom:1px solid var(--border); margin-bottom:1rem; }
.mtab { background:transparent; border:none; border-bottom:2px solid transparent; color:var(--text-muted);
  cursor:pointer; font-size:.85rem; font-weight:500; padding:.5rem 1rem; font-family:inherit; transition:all .15s; }
.mtab.active { color:var(--accent); border-bottom-color:var(--accent); }
.mtab-pane { } /* show/hide via JS */

/* ── Modal sizes ─────────────────────────────────────────────── */
.modal-lg { max-width:700px; }

/* ── Form row / group ────────────────────────────────────────── */
.form-row   { display:flex; gap:.75rem; flex-wrap:wrap; }
.form-row .form-group { flex:1; min-width:160px; }
.form-group { display:flex; flex-direction:column; gap:.3rem; margin-bottom:.75rem; }
.form-group label { font-size:.82rem; font-weight:500; color:var(--text-secondary); }
.form-control { background:var(--surface-2); border:1px solid var(--border); border-radius:6px;
  color:var(--text-primary); padding:.5rem .75rem; font-size:.875rem; font-family:inherit; outline:none;
  transition:border-color .15s; width:100%; box-sizing:border-box; }
.form-control:focus { border-color:var(--accent); }
textarea.form-control { resize:vertical; }
.required { color:#ef4444; }

/* ── Comments ────────────────────────────────────────────────── */
.comment-card   { background:var(--surface-2); border:1px solid var(--border); border-radius:8px; padding:.7rem .9rem; }
.comment-meta   { display:flex; gap:.5rem; align-items:center; margin-bottom:.35rem; }
.comment-author { font-size:.8rem; font-weight:600; color:var(--text-primary); }
.comment-date   { font-size:.75rem; color:var(--text-muted); margin-left:auto; }
.comment-body   { font-size:.875rem; color:var(--text-secondary); white-space:pre-wrap; line-height:1.55; }
.comment-composer { display:flex; flex-direction:column; border-top:1px solid var(--border); padding-top:.75rem; margin-top:.25rem; }

/* ── Audit rows ─────────────────────────────────────────────── */
.audit-row      { background:var(--surface-2); border:1px solid var(--border); border-radius:6px;
  padding:.5rem .75rem; display:flex; gap:.75rem; align-items:center; font-size:.8rem; flex-wrap:wrap; }
.audit-action   { font-weight:600; color:var(--accent); text-transform:uppercase; font-size:.72rem; }
.audit-who      { color:var(--text-secondary); }
.audit-when     { color:var(--text-muted); margin-left:auto; }
.audit-summary  { color:var(--text-secondary); width:100%; font-size:.78rem; margin-top:.15rem; }

/* ── Misc helpers ────────────────────────────────────────────── */
.section-label { font-size:.78rem; font-weight:600; text-transform:uppercase; letter-spacing:.4px; color:var(--text-muted); }
.muted         { color:var(--text-muted); font-size:.85rem; }
.link-pill     { display:inline-block; background:var(--surface-2); border:1px solid var(--border); border-radius:20px;
  padding:.2rem .65rem; font-size:.78rem; color:var(--accent); text-decoration:none; transition:border-color .15s; }
.link-pill:hover { border-color:var(--accent); }
.tag           { display:inline-block; background:var(--surface-3); border:1px solid var(--border); border-radius:20px;
  padding:.15rem .5rem; font-size:.75rem; color:var(--text-secondary); }
.tag-removable { cursor:default; }
.tag-x         { cursor:pointer; margin-left:.2rem; opacity:.6; }
.tag-x:hover   { opacity:1; }

/* ── Stats grid ──────────────────────────────────────────────── */
.stats-grid  { display:grid; grid-template-columns:repeat(4,1fr); gap:.75rem; }
.stat-card   { background:var(--surface-1); border:1px solid var(--border); border-radius:10px;
  padding:1rem 1.25rem; }
.stat-value  { font-size:1.75rem; font-weight:700; color:var(--text-primary); }
.stat-label  { font-size:.78rem; color:var(--text-muted); margin-top:.15rem; }
@media(max-width:700px){ .stats-grid { grid-template-columns:repeat(2,1fr); } }
@media(max-width:900px){ .kanban-board { grid-template-columns:1fr; } }