/* ─────────────────────────────────────────
   GESTOR AG  –  UI redesign  (light theme)
   Inspired by Linear / ClickUp / Jira
   ───────────────────────────────────────── */

:root {
  /* Surfaces */
  --bg:        #f4f7fc;
  --bg2:       #ffffff;
  --bg3:       #eef2f9;
  --border:    #dde3ef;

  /* Text */
  --txt:       #111827;
  --txt2:      #6b7280;
  --txt3:      #9ca3af;

  /* Brand */
  --caas:      #244c9a;
  --basamento: #8a3331;

  /* Semantic */
  --green:     #059669;
  --orange:    #d97706;
  --red:       #dc2626;
  --blue:      #3b5bdb;

  /* Layout */
  --sidebar-w: 240px;
  --r:         8px;
  --r-lg:      14px;

  /* Shadows */
  --sh-sm: 0 1px 3px rgba(16,24,40,.06), 0 1px 2px rgba(16,24,40,.04);
  --sh:    0 3px 10px rgba(16,24,40,.08), 0 1px 4px rgba(16,24,40,.05);
  --sh-lg: 0 10px 30px rgba(16,24,40,.12), 0 3px 10px rgba(16,24,40,.07);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--txt);
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Inter', Roboto, sans-serif;
  font-size: 14px;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--txt3); }

/* ── LAYOUT ── */
#wrapper { display: flex; min-height: 100vh; }

/* ────────────────────────────────
   SIDEBAR
──────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  position: fixed;
  top: 0; left: 0; bottom: 0;
  display: flex;
  flex-direction: column;
  z-index: 200;
  overflow: hidden;
}

.main {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.sidebar-brand {
  padding: 18px 16px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -.3px;
  color: var(--txt);
}

.brand-icon {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--caas), var(--basamento));
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; color: #fff;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(59,91,219,.3);
}

.sidebar-nav { list-style: none; padding: 8px 8px; flex: 1; overflow-y: auto; min-height: 0; }

.sidebar-nav .nav-label {
  padding: 14px 10px 5px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .8px;
  color: var(--txt3);
  text-transform: uppercase;
}

.sidebar-nav .nav-link {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 10px;
  color: var(--txt2);
  border-radius: var(--r);
  transition: background .12s, color .12s;
  font-size: 13.5px;
  font-weight: 500;
  margin-bottom: 1px;
}

.sidebar-nav .nav-link:hover {
  background: var(--bg3);
  color: var(--txt);
  text-decoration: none;
}

.sidebar-nav .nav-link.active {
  background: #eff3ff;
  color: var(--blue);
  font-weight: 600;
}

.sidebar-nav .nav-link i { font-size: 15px; width: 18px; text-align: center; }

.notif-badge {
  margin-left: auto;
  background: var(--red);
  color: #fff;
  border-radius: 10px;
  padding: 1px 6px;
  font-size: 10px;
  font-weight: 700;
}

.sidebar-footer {
  border-top: 1px solid var(--border);
  padding: 10px 12px;
  background: var(--bg3);
}

.user-card { display: flex; align-items: center; gap: 9px; }

.user-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px; color: #fff;
  flex-shrink: 0;
}

.user-info { flex: 1; overflow: hidden; }
.user-name { font-size: 12px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--txt); }
.user-role { font-size: 11px; color: var(--txt2); }

.user-actions { display: flex; gap: 2px; }
.user-actions a {
  color: var(--txt2);
  padding: 4px 5px;
  border-radius: 5px;
  font-size: 13px;
  transition: background .12s, color .12s;
}
.user-actions a:hover { color: var(--txt); background: var(--border); text-decoration: none; }

/* ────────────────────────────────
   TOP BAR
──────────────────────────────── */
.topbar {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px rgba(16,24,40,.04);
}

.topbar-title { font-size: 16px; font-weight: 700; color: var(--txt); letter-spacing: -.2px; }

/* ────────────────────────────────
   FLASH MESSAGES
──────────────────────────────── */
.flashes {
  position: fixed;
  top: 20px;
  left: calc(var(--sidebar-w) / 2 + 50%);
  transform: translateX(-50%);
  z-index: 9500;
  min-width: 300px;
  max-width: 420px;
  pointer-events: none;
}
@media (max-width: 768px) {
  .flashes { left: 50%; }
}
.flashes .alert {
  padding: 12px 16px;
  border-radius: var(--r);
  font-size: 13px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 500;
  box-shadow: 0 4px 20px rgba(0,0,0,.18);
  pointer-events: all;
  animation: flash-in .25s ease;
}
@keyframes flash-in {
  from { opacity:0; transform:translateY(-10px); }
  to   { opacity:1; transform:translateY(0); }
}
.alert-success { background: #f0fdf4; border: 1px solid #bbf7d0; color: #15803d; }
.alert-danger  { background: #fef2f2; border: 1px solid #fecaca; color: #b91c1c; }
.alert-warning { background: #fffbeb; border: 1px solid #fde68a; color: #92400e; }
.alert-info    { background: #eff6ff; border: 1px solid #bfdbfe; color: #1d4ed8; }
.alert .close-btn { background: none; border: none; cursor: pointer; color: inherit; font-size: 16px; padding: 0; opacity: .7; }
.alert .close-btn:hover { opacity: 1; }

/* ────────────────────────────────
   PAGE CONTENT
──────────────────────────────── */
.page-content { padding: 20px 24px; flex: 1; }

/* ────────────────────────────────
   CARDS
──────────────────────────────── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  box-shadow: var(--sh-sm);
}

.card-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--txt);
  background: var(--bg3);
}

.card-body { padding: 16px; }

/* ────────────────────────────────
   STATS
──────────────────────────────── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 18px 20px;
  box-shadow: var(--sh-sm);
  border-top: 3px solid var(--txt3);
  position: relative;
  overflow: hidden;
}
.stat-card:nth-child(2) { border-top-color: var(--caas); }
.stat-card:nth-child(3) { border-top-color: var(--orange); }
.stat-card:nth-child(4) { border-top-color: var(--green); }

.stat-value { font-size: 30px; font-weight: 800; line-height: 1; color: var(--txt); letter-spacing: -1.5px; }
.stat-label { font-size: 12px; color: var(--txt2); margin-top: 5px; font-weight: 500; }

/* ────────────────────────────────
   FILTER ROW (lista proyectos)
──────────────────────────────── */
.filter-row-1 {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.filter-search  { flex: 1; min-width: 200px; max-width: 320px; }
.filter-group-right { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.filter-year   { width: 130px; }
.filter-estado { width: 155px; }
.btn-nuevo-mobile { display: none; }

/* ────────────────────────────────
   FILTERS BAR
──────────────────────────────── */
.filters-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  background: var(--bg2);
  padding: 10px 14px;
  border-radius: var(--r);
  border: 1px solid var(--border);
  box-shadow: var(--sh-sm);
}

/* ────────────────────────────────
   FORM CONTROLS
──────────────────────────────── */
.form-control, .form-select {
  background: var(--bg2);
  border: 1.5px solid var(--border);
  color: var(--txt);
  border-radius: 6px;
  padding: 7px 10px;
  font-size: 13.5px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
  font-family: inherit;
}

.form-control:focus, .form-select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(59,91,219,.12);
}

.form-control::placeholder { color: var(--txt3); }
textarea.form-control { resize: vertical; min-height: 80px; }

.form-label { font-size: 12.5px; color: var(--txt2); margin-bottom: 5px; display: block; font-weight: 600; }
.form-hint  { font-size: 11px; color: var(--txt3); margin-top: 3px; }

/* ────────────────────────────────
   BUTTONS
──────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all .15s;
  white-space: nowrap;
  text-decoration: none;
  letter-spacing: -.1px;
}

.btn:hover { text-decoration: none; }

.btn-primary   { background: var(--blue); border-color: var(--blue); color: #fff; box-shadow: 0 1px 4px rgba(59,91,219,.3); }
.btn-primary:hover { background: #3451c7; }

.btn-success   { background: var(--green); border-color: var(--green); color: #fff; box-shadow: 0 1px 4px rgba(5,150,105,.25); }
.btn-success:hover { background: #047857; }

.btn-danger    { background: var(--red); border-color: var(--red); color: #fff; }
.btn-danger:hover { background: #b91c1c; }

.btn-secondary { background: var(--bg2); border-color: var(--border); color: var(--txt2); }
.btn-secondary:hover { background: var(--bg3); border-color: var(--txt3); color: var(--txt); }

.btn-outline   { background: transparent; border-color: var(--border); color: var(--txt2); }
.btn-outline:hover { background: var(--bg3); color: var(--txt); }

.btn-sm  { padding: 4px 10px; font-size: 12px; }
.btn-xs  { padding: 2px 7px;  font-size: 11px; }
.btn-icon { padding: 5px 8px; }

/* ────────────────────────────────
   PROJECT LIST TABLE
──────────────────────────────── */
.project-table { width: 100%; border-collapse: collapse; }

.project-table th {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--txt2);
  padding: 10px 14px;
  text-align: left;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
  background: var(--bg3);
}

.project-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  font-size: 13px;
}

.project-table tr:hover td { background: #f7f9ff; }
.project-table tr:last-child td { border-bottom: none; }
.project-table a.row-link { color: var(--txt); font-weight: 600; }
.project-table a.row-link:hover { color: var(--blue); text-decoration: none; }

/* ── STATUS DOT ── */
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; flex-shrink: 0; }
.dot-lg { width: 13px; height: 13px; }
.dot-green  { background: var(--green); box-shadow: 0 0 0 2px rgba(5,150,105,.18); }
.dot-blue   { background: var(--caas);  box-shadow: 0 0 0 2px rgba(37,99,235,.18); }
.dot-orange { background: var(--orange); box-shadow: 0 0 0 2px rgba(217,119,6,.18); }
.dot-gray   { background: var(--txt3); }
.dot-red       { background: var(--red);  box-shadow: 0 0 0 2px rgba(220,38,38,.18); }
.dot-cancelado { background: #9ca3af; }

/* ── SIDEBAR PROJECT LIST ── */
.nav-proj-scroll {
  max-height: 46vh;
  overflow-y: auto;
  padding-bottom: 4px;
}
.nav-proj-brand {
  padding: 6px 10px 2px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--txt3);
}
.nav-proj-list { list-style: none; padding: 0; margin: 0 0 4px; }
.nav-proj-link {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 4px 8px 4px 18px;
  font-size: 12px;
  color: var(--txt2);
  border-radius: var(--r);
  text-decoration: none;
  overflow: hidden;
  transition: background .12s;
}
.nav-proj-link:hover { background: var(--bg3); color: var(--txt); text-decoration: none; }
.nav-proj-link.active { background: #eff3ff; color: var(--blue); font-weight: 600; }
.nav-proj-text    { display: flex; flex-direction: column; overflow: hidden; flex: 1; min-width: 0; }
.nav-proj-code    { font-size: 11px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nav-proj-name    { font-size: 10.5px; color: var(--txt3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nav-proj-link.active .nav-proj-name { color: var(--blue); opacity: .75; }
.nav-proj-badges  { margin-left: auto; display: flex; align-items: center; gap: 3px; flex-shrink: 0; }
.nav-proj-act     { color: #e67700; font-size: 9px; display: inline-flex; align-items: center; }
.nav-proj-unread  {
  background: #3b5bdb; color: #fff; font-size: 10px; font-weight: 700;
  min-width: 17px; height: 16px; border-radius: 8px; padding: 0 4px;
  display: inline-flex; align-items: center; justify-content: center; line-height: 1;
}

/* ── SIDEBAR RESIZE HANDLE ── */
#sidebar-resizer {
  position: fixed;
  top: 0; bottom: 0;
  left: var(--sidebar-w);
  width: 5px;
  cursor: col-resize;
  z-index: 200;
  transition: background .15s;
}
#sidebar-resizer:hover { background: var(--blue); opacity: .35; }

/* ── BRAND BADGES ── */
.badge-brand {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
}
.badge-caas      { background: #dce6f7; color: #244c9a; }
.badge-basamento { background: #f5dcdc; color: #8a3331; }
.badge-ambas     { background: #e0e7ff; color: #4338ca; }

/* ── STATUS BADGES ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}
.badge-sp-sin_empezar { background: #f1f5f9; color: #475569; }
.badge-sp-en_espera   { background: #fee2e2; color: #991b1b; }
.badge-sp-en_proceso  { background: #dbeafe; color: #1d4ed8; }
.badge-sp-terminado   { background: #fff7ed; color: #c2410c; }
.badge-sp-entregado   { background: #d1fae5; color: #065f46; }

.badge-pay-sin_pago   { background: #f1f5f9; color: #475569; }
.badge-pay-anticipo   { background: #fef3c7; color: #92400e; }
.badge-pay-falta_pago { background: #fee2e2; color: #991b1b; }
.badge-pay-pagado     { background: #d1fae5; color: #065f46; }

/* ── DAYS CHIP ── */
.days-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
}
.days-ok      { background: #d1fae5; color: #065f46; }
.days-warning { background: #fff7ed; color: #c2410c; }
.days-danger  { background: #fee2e2; color: #991b1b; }
.days-neutral { background: var(--bg3); color: var(--txt2); }

/* ────────────────────────────────
   TABS
──────────────────────────────── */
.tabs-nav {
  display: flex;
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
  overflow-x: auto;
  padding: 0 16px;
}

.tab-btn {
  padding: 12px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--txt2);
  cursor: pointer;
  border: none;
  background: none;
  border-bottom: 2px solid transparent;
  transition: all .15s;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: -1px;
}

.tab-btn:hover { color: var(--txt); }
.tab-btn.active { color: var(--blue); border-bottom-color: var(--blue); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ────────────────────────────────
   PROJECT DETAIL HEADER
──────────────────────────────── */
.project-header {
  padding: 20px 24px 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
}

.project-header-top {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 14px;
}

.project-code {
  font-size: 12px;
  color: var(--txt2);
  font-family: 'Cascadia Code', 'Consolas', monospace;
  font-weight: 600;
  background: var(--bg3);
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.project-name {
  font-size: 21px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--txt);
  letter-spacing: -.4px;
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12.5px;
  color: var(--txt2);
  margin-bottom: 10px;
}

.project-meta span { display: inline-flex; align-items: center; gap: 4px; }

/* ────────────────────────────────
   INFO GRID
──────────────────────────────── */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

.info-field label {
  font-size: 10.5px;
  color: var(--txt2);
  margin-bottom: 4px;
  display: block;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.info-field .val { font-size: 13px; color: var(--txt); font-weight: 500; }

/* ────────────────────────────────
   PROGRESS BAR
──────────────────────────────── */
.progress-bar-wrap { background: var(--bg3); border-radius: 4px; height: 7px; overflow: hidden; }
.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--green), #34d399);
  border-radius: 4px;
  transition: width .4s ease;
}

/* ────────────────────────────────
   CHECKLIST
──────────────────────────────── */
.checklist-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
}
.checklist-item:last-child { border-bottom: none; }
.checklist-item input[type=checkbox] { width: 16px; height: 16px; cursor: pointer; accent-color: var(--green); flex-shrink: 0; }
.checklist-item.done .item-name { color: var(--txt3); text-decoration: line-through; }
.item-name { font-size: 13px; flex: 1; }

/* ────────────────────────────────
   ACTIVITIES
──────────────────────────────── */
.study-group {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  margin-bottom: 10px;
  overflow: hidden;
  box-shadow: var(--sh-sm);
}

.study-group-header {
  padding: 10px 14px;
  background: var(--bg3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
}

.study-group-header .study-name { font-weight: 700; font-size: 13px; color: var(--txt); }

.activity-row {
  display: grid;
  grid-template-columns: 20px 26px 1fr 150px 105px 90px 46px;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-top: 1px solid var(--border);
  font-size: 12.5px;
  transition: border-left .15s;
}

.activity-row:hover { background: #f7f9ff; }
.activity-row.in-progress {
  border-left: 3px solid var(--green);
  background: rgba(5,150,105,.03);
}
.activity-row input[type=checkbox] { accent-color: var(--green); width: 15px; height: 15px; cursor: pointer; }
.act-name { font-size: 13px; font-weight: 500; }
.act-name.done { color: var(--txt3); text-decoration: line-through; }

.act-progress-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: background .12s;
}
.act-progress-btn:hover { background: var(--bg3); }

.act-header {
  display: grid;
  grid-template-columns: 20px 26px 1fr 150px 105px 90px 46px;
  gap: 8px;
  padding: 6px 14px;
  font-size: 10.5px;
  color: var(--txt2);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  border-top: 1px solid var(--border);
  background: var(--bg3);
}

/* ────────────────────────────────
   QUOTATION TABLE
──────────────────────────────── */
.quot-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.quot-table th {
  text-align: left;
  padding: 9px 12px;
  font-size: 11px;
  font-weight: 700;
  color: var(--txt2);
  text-transform: uppercase;
  letter-spacing: .5px;
  border-bottom: 2px solid var(--border);
  background: var(--bg3);
}
.quot-table td { padding: 9px 12px; border-bottom: 1px solid var(--border); }
.quot-table tr:last-child td { border-bottom: none; }
.quot-table tfoot td { font-weight: 700; padding-top: 12px; color: var(--txt); }

/* ────────────────────────────────
   LOGIN PAGE
──────────────────────────────── */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #eef2ff 0%, #f0f4fc 100%);
}

.login-box {
  width: 380px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 38px 34px;
  box-shadow: var(--sh-lg);
}

.login-logo { text-align: center; margin-bottom: 30px; }

.login-logo .icon {
  width: 54px; height: 54px;
  background: linear-gradient(135deg, var(--caas), var(--basamento));
  border-radius: 15px;
  margin: 0 auto 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; color: #fff;
  box-shadow: 0 4px 14px rgba(59,91,219,.3);
}

.login-logo h1 { font-size: 20px; font-weight: 800; color: var(--txt); letter-spacing: -.4px; }
.login-logo p  { font-size: 13px; color: var(--txt2); margin-top: 4px; }

/* ────────────────────────────────
   FORM SECTIONS (create / edit pages)
──────────────────────────────── */
.form-section {
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  margin-bottom: 18px;
  box-shadow: var(--sh-sm);
  background: var(--bg2);
}

.form-section-title {
  padding: 11px 16px;
  background: var(--bg3);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--txt2);
  text-transform: uppercase;
  letter-spacing: .7px;
  border-bottom: 1px solid var(--border);
}

.form-section-body {
  padding: 16px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
}

.form-section-body.single { grid-template-columns: 1fr; }
.form-section-body.two    { grid-template-columns: 1fr 1fr; }
.full-width { grid-column: 1 / -1; }

/* ── CHECKBOX GRID (studies) ── */
.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 7px;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition: all .12s;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--txt2);
  background: var(--bg2);
}

.checkbox-item:hover { background: var(--bg3); border-color: var(--txt3); color: var(--txt); }
.checkbox-item input[type=checkbox] { accent-color: var(--blue); }
.checkbox-item.checked { background: #eff3ff; border-color: #a5b4fc; color: #3730a3; }

/* ────────────────────────────────
   MISC UTILITIES
──────────────────────────────── */
.text-muted  { color: var(--txt2); }
.text-green  { color: var(--green); }
.text-red    { color: var(--red); }
.text-orange { color: var(--orange); }
.text-blue   { color: var(--blue); }

.mt-1 { margin-top: 4px; }  .mt-2 { margin-top: 8px; }  .mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; } .mb-1 { margin-bottom: 4px; } .mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; } .mb-4 { margin-bottom: 16px; }

.flex { display: flex; } .flex-wrap { flex-wrap: wrap; } .gap-2 { gap: 8px; }
.gap-3 { gap: 12px; } .items-center { align-items: center; }
.justify-between { justify-content: space-between; } .flex-1 { flex: 1; }

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y pinch-zoom;
  overscroll-behavior-x: contain;
}

/* ────────────────────────────────
   CALENDAR (FullCalendar)
──────────────────────────────── */
#calendar { background: var(--bg2); border-radius: var(--r); padding: 16px; }

.fc { color: var(--txt); }
.fc-toolbar-title { font-size: 15px !important; font-weight: 700 !important; color: var(--txt) !important; }
.fc-button {
  background: var(--bg2) !important;
  border: 1.5px solid var(--border) !important;
  color: var(--txt2) !important;
  font-size: 12px !important;
  padding: 5px 11px !important;
  font-weight: 600 !important;
  border-radius: 6px !important;
  box-shadow: none !important;
}
.fc-button:hover  { background: var(--bg3) !important; color: var(--txt) !important; }
.fc-button-active { background: var(--blue) !important; border-color: var(--blue) !important; color: #fff !important; }
.fc-daygrid-day { background: var(--bg2); }
.fc-daygrid-day:hover { background: #f7f9ff; }
.fc-col-header-cell { background: var(--bg3); }
.fc-scrollgrid { border-color: var(--border) !important; }
.fc-scrollgrid td, .fc-scrollgrid th { border-color: var(--border) !important; }
.fc-event {
  font-size: 11px; cursor: pointer;
  border-radius: 5px !important;
  border: none !important;
  padding: 2px 5px !important;
  font-weight: 600 !important;
}
.fc-daygrid-day-number { color: var(--txt2); font-size: 12px; font-weight: 500; }
.fc-day-today          { background: #f0f4ff !important; }
.fc-day-today .fc-daygrid-day-number { color: var(--blue); font-weight: 700; }

/* ────────────────────────────────
   MOBILE TOP BAR
──────────────────────────────── */
#mob-topbar {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 48px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  z-index: 170;
  align-items: center;
  padding: 0 14px;
  gap: 10px;
  box-shadow: 0 1px 4px rgba(16,24,40,.06);
}
#mob-topbar-title {
  flex: 1;
  font-size: 14px;
  font-weight: 700;
  color: var(--txt);
  letter-spacing: -.2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
#mob-toggle {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 22px;
  color: var(--txt);
  padding: 2px 4px;
  display: flex;
  align-items: center;
  line-height: 1;
  flex-shrink: 0;
}
#sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.42);
  z-index: 195;
}
#sidebar-overlay.visible { display: block; }

/* ────────────────────────────────
   RESPONSIVE
──────────────────────────────── */
.sb-close-btn { display: none; }

@media (max-width: 768px) {
  html { overflow-x: hidden; }
  body { max-width: 100%; }
  #mob-topbar      { display: flex; }
  .sb-close-btn {
    display: flex;
    margin-left: auto;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--txt2);
    font-size: 18px;
    padding: 4px 6px;
    border-radius: 6px;
    align-items: center;
    line-height: 1;
    flex-shrink: 0;
  }
  .sb-close-btn:active { background: var(--bg3); color: var(--txt); }
  #sidebar-resizer { display: none; }
  .sidebar {
    top: 0;
    z-index: 200;
    transform: translateX(-100%);
    transition: transform .25s ease;
  }
  .sidebar.open    { transform: translateX(0); }
  .main            { margin-left: 0; margin-top: 48px; overflow-x: hidden; }
  .topbar          { display: none !important; }
  .flashes         { left: 50%; top: 60px; }
  .stats-row       { grid-template-columns: 1fr 1fr; }
  .activity-row    { grid-template-columns: 20px 1fr; }
  .activity-row > *:nth-child(n+3) { display: none; }
  .form-section-body { grid-template-columns: 1fr; }
  .page-content    { padding: 14px; }
  .card { overflow: visible; }
  .stat-card { min-width: 0; }
  /* Tabla: scroll horizontal interno nativo (JS maneja la dirección) */
  .table-wrap { border-radius: var(--r); }
  .project-table { min-width: 660px; }
  .quot-table    { min-width: 460px; }
  .table-wrap table:not(.project-table):not(.quot-table) { min-width: max-content; }
  /* Botón Nuevo Proyecto: ocultar en topbar, mostrar bajo los cuadros */
  .btn-nuevo-desktop { display: none !important; }
  .btn-nuevo-mobile  { display: block; margin-top: 8px; margin-bottom: 20px; }
  .btn-nuevo-mobile .btn { width: 100%; justify-content: center; padding: 10px 14px; }
  /* Filtros en columna en móvil — con mejor espaciado */
  .filter-row-1 { flex-direction: column; align-items: stretch; gap: 10px; margin-bottom: 16px; }
  .filter-search { max-width: 100%; min-width: 0; }
  .filter-group-right { flex-wrap: wrap; gap: 8px; width: 100%; }
  .filter-year, .filter-estado { flex: 1; min-width: 110px; width: auto; }
  /* Notificaciones — más espacio entre secciones */
  .notif-tabs { gap: 8px; margin-bottom: 20px; }
  .notif-row  { padding: 16px 8px; }
}

@media (max-width: 480px) {
  .stats-row { grid-template-columns: 1fr; }
}

/* ────────────────────────────────
   DARK THEME  –  Anochecer
──────────────────────────────── */
[data-theme="dark"] {
  --bg:        #191a2e;
  --bg2:       #20223a;
  --bg3:       #292b48;
  --border:    #363857;
  --txt:       #e8eafc;
  --txt2:      #a0a4c4;
  --txt3:      #7880a8;
  --blue:      #818cf8;
  --caas:      #5b91e0;
  --green:     #34d399;
  --orange:    #fb923c;
  --red:       #f87171;
  --sh-sm: 0 1px 3px rgba(0,0,0,.3),   0 1px 2px rgba(0,0,0,.2);
  --sh:    0 3px 10px rgba(0,0,0,.35),  0 1px 4px rgba(0,0,0,.2);
  --sh-lg: 0 10px 30px rgba(0,0,0,.45), 0 3px 10px rgba(0,0,0,.3);
}

/* Hardcoded light values that need dark overrides */
[data-theme="dark"] .sidebar-nav .nav-link.active { background: #2a2d52; }
[data-theme="dark"] .nav-proj-link.active          { background: #2a2d52; }
[data-theme="dark"] .project-table tr:hover td     { background: #252844; }
[data-theme="dark"] .activity-row:hover            { background: #252844; }
[data-theme="dark"] .activity-row.in-progress      { border-left-color: var(--green); background: rgba(52,211,153,.06); }
[data-theme="dark"] .checkbox-item.checked         { background: #252844; border-color: #818cf8; color: #c7d2fe; }

[data-theme="dark"] .login-wrap {
  background: linear-gradient(135deg, #13142a 0%, #1b1d35 100%);
}

[data-theme="dark"] .alert-success { background: #052e16; border-color: #166534; color: #86efac; }
[data-theme="dark"] .alert-danger  { background: #450a0a; border-color: #7f1d1d; color: #fca5a5; }
[data-theme="dark"] .alert-warning { background: #2d1b04; border-color: #713f12; color: #fde68a; }
[data-theme="dark"] .alert-info    { background: #0c1a40; border-color: #1e3a6e; color: #93c5fd; }

[data-theme="dark"] .badge-caas      { background: #1a2c52; color: #93b4e8; }
[data-theme="dark"] .badge-basamento { background: #3d1515; color: #e8a3a3; }
[data-theme="dark"] .badge-ambas     { background: #1e1e52; color: #a5b4fc; }

[data-theme="dark"] .badge-sp-sin_empezar { background: #1e2533; color: #94a3b8; }
[data-theme="dark"] .badge-sp-en_espera   { background: #450a0a; color: #fca5a5; }
[data-theme="dark"] .badge-sp-en_proceso  { background: #0c1a40; color: #93c5fd; }
[data-theme="dark"] .badge-sp-terminado   { background: #2d1b04; color: #fdba74; }
[data-theme="dark"] .badge-sp-entregado   { background: #052e16; color: #86efac; }

[data-theme="dark"] .badge-pay-sin_pago   { background: #1e2533; color: #94a3b8; }
[data-theme="dark"] .badge-pay-anticipo   { background: #2d1b04; color: #fde68a; }
[data-theme="dark"] .badge-pay-falta_pago { background: #450a0a; color: #fca5a5; }
[data-theme="dark"] .badge-pay-pagado     { background: #052e16; color: #86efac; }

[data-theme="dark"] .days-ok      { background: #052e16; color: #86efac; }
[data-theme="dark"] .days-warning { background: #2d1b04; color: #fdba74; }
[data-theme="dark"] .days-danger  { background: #450a0a; color: #fca5a5; }

[data-theme="dark"] .fc-daygrid-day:hover { background: #252844 !important; }
[data-theme="dark"] .fc-day-today         { background: #252a52 !important; }

[data-theme="dark"] select option {
  background: var(--bg2);
  color: var(--txt);
}

[data-theme="dark"] input:-webkit-autofill,
[data-theme="dark"] textarea:-webkit-autofill,
[data-theme="dark"] select:-webkit-autofill {
  -webkit-box-shadow: 0 0 0 50px var(--bg2) inset !important;
  -webkit-text-fill-color: var(--txt) !important;
}

/* Theme toggle button */
#theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 5px;
  border-radius: 5px;
  font-size: 13px;
  color: var(--txt2);
  transition: background .12s, color .12s;
  display: flex;
  align-items: center;
}
#theme-toggle:hover { color: var(--txt); background: var(--border); }