/* =====================================================================
   TREMIX OPS - Hoja de estilos principal
   Identidad: claro, profesional, rojo Tremix solo para alertas
   Powered by AHR Systems
   ===================================================================== */

:root {
  --bg:        #f6f7f9;
  --card:      #ffffff;
  --ink:       #1a1d24;
  --ink-soft:  #4a5160;
  --muted:     #8b94a3;
  --line:      #e1e4ea;
  --line-soft: #eef0f4;

  /* Colores Tremix - usados sutilmente */
  --tremix-black:  #1a1d24;
  --tremix-red:    #dc2626;
  --tremix-yellow: #facc15;
  --tremix-white:  #ffffff;

  /* Acentos UI */
  --accent:        #1f4b99;
  --accent-soft:   #eef3fb;
  --success:       #16a34a;
  --success-soft:  #dcfce7;
  --warning:       #f59e0b;
  --warning-soft:  #fef3c7;
  --danger:        #dc2626;
  --danger-soft:   #fee2e2;
  --info:          #0284c7;
  --info-soft:     #e0f2fe;

  /* Sidebar */
  --sidebar-bg:     #1a1d24;
  --sidebar-ink:    #d8dde6;
  --sidebar-active: #facc15;
  --sidebar-hover:  #2a2f3a;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { margin: 0 0 12px; color: var(--ink); font-weight: 700; line-height: 1.25; }
h1 { font-size: 22px; }
h2 { font-size: 18px; }
h3 { font-size: 16px; }
h4 { font-size: 14px; }
p { margin: 0 0 10px; }
small, .mini { color: var(--muted); font-size: 12px; }
hr { border: 0; border-top: 1px solid var(--line); margin: 16px 0; }

/* =================== LAYOUT =================== */
.app {
  display: grid;
  grid-template-columns: 240px 1fr;
  grid-template-rows: 56px 1fr;
  grid-template-areas:
    "sidebar topbar"
    "sidebar main";
  min-height: 100vh;
}
.sidebar  { grid-area: sidebar; background: var(--sidebar-bg); color: var(--sidebar-ink); position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.topbar   { grid-area: topbar;  background: var(--card); border-bottom: 1px solid var(--line); display: flex; align-items: center; padding: 0 18px; gap: 16px; position: sticky; top: 0; z-index: 10; }
.main     { grid-area: main;    padding: 22px 28px 60px; }

/* =================== SIDEBAR =================== */
.sb-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid #2a2f3a;
}
.sb-brand .logo {
  width: 36px; height: 36px; border-radius: 8px;
  background: var(--tremix-red);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 900; font-size: 16px;
  letter-spacing: -0.5px;
}
.sb-brand .name { font-weight: 800; color: #fff; font-size: 15px; }
.sb-brand .tag  { color: var(--tremix-yellow); font-size: 11px; }

.sb-section { padding: 14px 12px 4px; color: #6b7280; font-size: 11px; text-transform: uppercase; letter-spacing: .5px; }
.sb-nav { padding: 4px 8px 24px; display: flex; flex-direction: column; gap: 1px; }
.sb-nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px;
  color: var(--sidebar-ink);
  border-radius: 7px;
  font-size: 13.5px;
  text-decoration: none;
  transition: background .12s ease;
}
.sb-nav a:hover  { background: var(--sidebar-hover); color: #fff; text-decoration: none; }
.sb-nav a.active { background: var(--sidebar-hover); color: var(--tremix-yellow); border-left: 3px solid var(--tremix-yellow); padding-left: 9px; }
.sb-nav a .icon  { width: 18px; text-align: center; opacity: .85; }

/* =================== TOPBAR =================== */
.tb-search {
  flex: 1; max-width: 520px;
  display: flex; align-items: center;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
}
.tb-search input {
  flex: 1; border: 0; background: transparent; outline: none;
  padding: 9px 4px; font-size: 13px;
}
.tb-actions { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.tb-user {
  display: flex; align-items: center; gap: 10px;
  padding: 4px 10px; border-radius: 8px;
  cursor: pointer;
}
.tb-user:hover { background: var(--bg); }
.tb-user .avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, var(--tremix-black), #3a4050);
  color: #fff; font-weight: 700; font-size: 13px;
  display: flex; align-items: center; justify-content: center;
}
.tb-user .name { font-weight: 600; font-size: 13px; }
.tb-user .role { font-size: 11px; color: var(--muted); }

/* =================== CARDS =================== */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px;
  margin-bottom: 16px;
}
.card h2:first-child, .card h3:first-child { margin-top: 0; }
.card-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 14px;
}
.card-head h2 { margin: 0; }

/* Grid de cards de dashboard */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.kpi { display: flex; flex-direction: column; gap: 4px; }
.kpi .label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .3px; }
.kpi .value { font-size: 26px; font-weight: 800; color: var(--ink); }
.kpi .sub   { font-size: 12px; color: var(--muted); }

/* =================== BOTONES =================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  border-radius: 7px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all .12s ease;
}
.btn:hover { background: var(--bg); text-decoration: none; }
.btn-primary { background: var(--tremix-black); color: #fff; border-color: var(--tremix-black); }
.btn-primary:hover { background: #2a2f3a; }
.btn-success { background: var(--success); color: #fff; border-color: var(--success); }
.btn-warning { background: var(--warning); color: #fff; border-color: var(--warning); }
.btn-danger  { background: var(--danger);  color: #fff; border-color: var(--danger); }
.btn-yellow  { background: var(--tremix-yellow); color: var(--tremix-black); border-color: var(--tremix-yellow); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-xs { padding: 3px 8px; font-size: 11px; }
.btn-block { width: 100%; }
.btn .icon { font-size: 14px; }

/* =================== TABLAS =================== */
.table {
  width: 100%; border-collapse: collapse;
  font-size: 13px;
}
.table th, .table td {
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}
.table th {
  font-weight: 600;
  color: var(--ink-soft);
  background: #fafbfc;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .3px;
  white-space: nowrap;
}
.table tr:hover td { background: #fafbfc; }
.table-compact th, .table-compact td { padding: 6px 10px; font-size: 12.5px; }

/* =================== FORMS =================== */
label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--ink-soft); }
.form-row { margin-bottom: 14px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }
input[type=text], input[type=email], input[type=password], input[type=date], input[type=tel],
input[type=number], select, textarea {
  width: 100%; padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  font-size: 13px; font-family: inherit;
  color: var(--ink);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(31, 75, 153, 0.12); }
textarea { min-height: 80px; resize: vertical; }
.form-help { font-size: 11px; color: var(--muted); margin-top: 4px; }
.form-error { font-size: 12px; color: var(--danger); margin-top: 4px; }

/* =================== BADGES / CHIPS =================== */
.badge {
  display: inline-block; padding: 3px 9px;
  font-size: 11px; font-weight: 600;
  border-radius: 999px;
  background: var(--line-soft); color: var(--ink-soft);
}
.badge-success { background: var(--success-soft); color: #15803d; }
.badge-warning { background: var(--warning-soft); color: #b45309; }
.badge-danger  { background: var(--danger-soft);  color: #991b1b; }
.badge-info    { background: var(--info-soft);    color: #075985; }
.badge-accent  { background: var(--accent-soft);  color: #1d4ed8; }

.chip-time         { display: inline-block; padding: 3px 8px; font-size: 11px; font-weight: 600; border-radius: 999px; white-space: nowrap; }
.chip-time-exact   { background: #d1fae5; color: #065f46; }
.chip-time-block   { background: #e0f2fe; color: #075985; }
.chip-time-demand  { background: #f3f4f6; color: #374151; }

/* =================== ALERTAS =================== */
.alert {
  padding: 12px 14px;
  border-radius: 8px;
  margin-bottom: 14px;
  font-size: 13px;
  border: 1px solid var(--line);
  background: var(--card);
}
.alert-success { background: var(--success-soft); border-color: #bbf7d0; color: #14532d; }
.alert-warning { background: var(--warning-soft); border-color: #fde68a; color: #78350f; }
.alert-danger  { background: var(--danger-soft);  border-color: #fecaca; color: #7f1d1d; }
.alert-info    { background: var(--info-soft);    border-color: #bae6fd; color: #075985; }

/* =================== PAGE HEAD =================== */
.page-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 18px; gap: 14px; flex-wrap: wrap;
}
.page-head h1 { margin: 0; }
.page-head .sub { color: var(--muted); font-size: 13px; margin-top: 2px; }
.page-head .actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* =================== BREADCRUMBS =================== */
.crumbs { font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.crumbs a { color: var(--muted); }
.crumbs .sep { margin: 0 6px; }

/* =================== TABS =================== */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 16px; }
.tabs a {
  padding: 9px 14px;
  font-size: 13px; font-weight: 600;
  color: var(--ink-soft); text-decoration: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.tabs a:hover  { color: var(--ink); text-decoration: none; }
.tabs a.active { color: var(--tremix-black); border-bottom-color: var(--tremix-yellow); }

/* =================== LOGIN =================== */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #1a1d24 0%, #2d3140 100%); padding: 20px; }
.login-card { background: #fff; border-radius: 14px; padding: 36px 32px; width: 100%; max-width: 400px; box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.login-brand { text-align: center; margin-bottom: 24px; }
.login-brand .logo {
  width: 64px; height: 64px; margin: 0 auto 12px;
  border-radius: 14px; background: var(--tremix-red);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 900; font-size: 24px;
}
.login-brand h1 { margin: 0; font-size: 20px; }
.login-brand .sub { color: var(--muted); font-size: 12px; margin-top: 4px; }

/* =================== FOOTER =================== */
.app-footer {
  text-align: center; color: var(--muted); font-size: 11px;
  padding: 18px 0;
  margin-top: 30px; border-top: 1px solid var(--line);
}
.app-footer .red { color: var(--tremix-red); font-weight: 700; }

/* =================== EDITOR INLINE TIPO EXCEL =================== */
.task-editor table { width: 100%; border-collapse: collapse; }
.task-editor th, .task-editor td {
  padding: 6px 8px; border: 1px solid var(--line);
  font-size: 12.5px; vertical-align: middle;
}
.task-editor th { background: #f4f6f9; font-weight: 600; font-size: 11px; text-transform: uppercase; }
.task-editor td.editable { background: #fff; cursor: text; }
.task-editor td.editable:focus, .task-editor td.editable:hover { background: #fffbe6; outline: none; }
.task-editor td.editable[contenteditable=true]:focus { box-shadow: inset 0 0 0 2px var(--tremix-yellow); }
.task-editor .row-handle { width: 24px; color: var(--muted); cursor: grab; text-align: center; user-select: none; }
.task-editor .row-actions { width: 60px; text-align: center; white-space: nowrap; }
.task-editor select, .task-editor input { width: 100%; border: 0; padding: 4px; font-size: 12.5px; background: transparent; }
.task-editor select:focus, .task-editor input:focus { background: #fffbe6; }
.task-editor .add-row {
  width: 100%; padding: 9px; text-align: center;
  background: var(--accent-soft); color: var(--accent);
  border: 1px dashed var(--accent); border-radius: 6px;
  cursor: pointer; font-weight: 600;
  margin-top: 8px;
}
.task-editor .add-row:hover { background: var(--accent); color: #fff; }

/* =================== TASK CARD (manual viewer) =================== */
.task-card {
  background: #fff; border: 1px solid var(--line); border-radius: 10px;
  margin-bottom: 12px; overflow: hidden;
}
.task-card .head {
  padding: 12px 16px;
  background: #fafbfc; border-bottom: 1px solid var(--line);
  display: flex; align-items: center; gap: 10px; cursor: pointer;
}
.task-card .head .num   { font-weight: 700; color: var(--muted); min-width: 32px; }
.task-card .head .title { font-weight: 600; flex: 1; }
.task-card .body { padding: 14px 16px; font-size: 13px; }
.task-card .meta-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; margin-bottom: 12px; }
.task-card .meta-row .item { background: #fafbfc; padding: 8px 10px; border-radius: 6px; border: 1px solid var(--line); }
.task-card .meta-row .label { font-size: 11px; color: var(--muted); text-transform: uppercase; margin-bottom: 2px; }

/* =================== UTILIDADES =================== */
.text-muted { color: var(--muted); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger  { color: var(--danger); }
.text-right { text-align: right; }
.text-center { text-align: center; }
.flex { display: flex; gap: 10px; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-sm { gap: 6px; }
.gap-md { gap: 12px; }
.mt-0 { margin-top: 0; } .mt-1 { margin-top: 6px; } .mt-2 { margin-top: 12px; } .mt-3 { margin-top: 20px; }
.mb-0 { margin-bottom: 0; } .mb-1 { margin-bottom: 6px; } .mb-2 { margin-bottom: 12px; } .mb-3 { margin-bottom: 20px; }

/* =================== UNIVERSITY =================== */
.uni-band { padding: 14px; border-radius: 10px; font-weight: 600; text-align: center; }
.uni-band.rojo     { background: var(--danger-soft);  color: #7f1d1d; border: 2px solid #fca5a5; }
.uni-band.amarillo { background: var(--warning-soft); color: #78350f; border: 2px solid #fde68a; }
.uni-band.verde    { background: var(--success-soft); color: #14532d; border: 2px solid #86efac; }

/* =================== RESPONSIVE =================== */
@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; grid-template-rows: 56px auto 1fr; grid-template-areas: "topbar" "sidebar" "main"; }
  .sidebar { height: auto; position: relative; }
  .form-grid, .form-grid-3 { grid-template-columns: 1fr; }
  .task-card .meta-row { grid-template-columns: 1fr; }
  .main { padding: 14px; }
}

/* =================== PRINT =================== */
@media print {
  .sidebar, .topbar, .btn, .actions, .tabs { display: none !important; }
  .app { grid-template-columns: 1fr; }
  .main { padding: 0; }
  .card { box-shadow: none; border-color: #999; }
}