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

:root {
  --bg:        #eef2f7;
  --surface:   #ffffff;
  --border:    #c8d6e4;
  --border2:   #d1dbe8;
  --accent:    #3b82f6;
  --accent-h:  #2563eb;
  --warn:      #ef4444;
  --amber:     #f59e0b;
  --green:     #16a34a;
  --text:      #0f172a;
  --text2:     #475569;
  --text3:     #94a3b8;
  --text4:     #cbd5e1;
  --radius:    8px;
  --radius-sm: 5px;
  --shadow:    0 1px 4px rgba(15,23,42,0.07);
  --shadow-md: 0 4px 12px rgba(15,23,42,0.1);
  --trans:     140ms ease;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --font-head: 'Fraunces', serif;
  --font-num:  'IBM Plex Serif', serif;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.5;
  min-height: 100vh;
}

::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ── TOPBAR ── */
#topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  background: var(--surface);
  border-bottom: 2px solid var(--border);
  display: flex; align-items: center;
  height: 54px; padding: 0 24px;
}
.logo {
  font-family: var(--font-head);
  font-size: 18px; font-weight: 600;
  color: var(--text); letter-spacing: -0.3px;
  display: flex; align-items: center; gap: 9px;
  margin-right: 32px; flex-shrink: 0;
}
.logo-sq { display: none; }

nav { display: flex; height: 54px; }
nav button {
  background: none; border: none;
  border-bottom: 2.5px solid transparent;
  color: var(--text3); font-family: var(--font-body);
  font-size: 13px; font-weight: 600;
  padding: 0 14px; cursor: pointer;
  transition: var(--trans); height: 100%;
}
nav button:hover { color: var(--text2); }
nav button.active { color: var(--text); border-bottom-color: var(--accent); }

.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.status-pill { display: flex; align-items: center; gap: 5px; font-size: 11.5px; font-weight: 500; color: var(--text3); }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--text4); transition: background 400ms; }
.status-dot.ok { background: var(--green); }
.avatar { width: 30px; height: 30px; border-radius: 7px; background: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700; color: #fff; }

/* ── LAYOUT ── */
#app { padding-top: 54px; display: flex; min-height: 100vh; }

#sidebar {
  width: 204px; min-width: 204px;
  background: var(--surface);
  border-right: 2px solid var(--border);
  padding: 16px 8px;
  position: fixed; top: 54px; left: 0; bottom: 0;
  overflow-y: auto;
}
.sidebar-section { margin-bottom: 4px; }
.sidebar-label { font-size: 9.5px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text4); padding: 12px 10px 6px; display: block; font-weight: 700; }
.sidebar-item { display: flex; align-items: center; gap: 8px; padding: 7px 10px; border-radius: 6px; color: var(--text2); font-size: 13px; font-weight: 600; cursor: pointer; transition: var(--trans); margin-bottom: 2px; }
.sidebar-item:hover { color: var(--text); background: var(--bg); }
.sidebar-item.active { color: var(--accent); background: #eff6ff; }
.sidebar-badge { margin-left: auto; background: var(--warn); color: #fff; font-size: 9px; padding: 2px 6px; border-radius: 6px; font-weight: 700; }

#main { margin-left: 204px; flex: 1; padding: 28px 32px; min-height: calc(100vh - 54px); }

/* ── GANTT FULLSCREEN ── */
body.gantt-mode, body.gantt-mode #app { overflow: hidden; height: 100vh; }
body.gantt-mode #main { overflow: hidden; height: calc(100vh - 54px); display: flex; flex-direction: column; padding: 0; }
body.gantt-mode #page-gantt.active { flex: 1; overflow: hidden; display: flex; flex-direction: column; padding: 28px 32px 16px; height: auto; }

/* ── PAGES ── */
.page { display: none; }
.page.active { display: block; animation: fadeUp 220ms ease; }
@keyframes fadeUp { from { opacity:0; transform:translateY(5px); } to { opacity:1; transform:none; } }

/* ── PAGE HEADER ── */
.page-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 24px; }
.page-title { font-family: var(--font-head); font-size: 22px; font-weight: 600; color: var(--text); letter-spacing: -0.4px; }
.page-subtitle { font-size: 12.5px; color: var(--text3); margin-top: 3px; font-weight: 500; }

/* ── BUTTONS ── */
.btn { display: inline-flex; align-items: center; gap: 5px; padding: 8px 16px; border-radius: 7px; border: none; font-family: var(--font-body); font-size: 13px; font-weight: 700; cursor: pointer; transition: var(--trans); }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 1px 4px rgba(59,130,246,0.25); }
.btn-primary:hover { background: var(--accent-h); }
.btn-ghost { background: var(--surface); color: var(--text2); border: 1.5px solid var(--border); }
.btn-ghost:hover { border-color: var(--text3); color: var(--text); }
.btn-sm { padding: 5px 11px; font-size: 12px; }

/* ── STATS ── */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 24px; }
.stat-card { background: var(--surface); border: 2px solid var(--border); border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow); }
.stat-card:hover { border-color: var(--accent); transform: translateY(-1px); transition: all .15s; }
#filtro-estado-dropdown, #filtro-estado-dropdown * { text-transform:none !important; letter-spacing:normal !important; font-weight:normal !important; font-size:13px !important; white-space:nowrap !important; color:var(--text) !important; cursor:pointer !important; background:none !important; border:none !important; padding:0 !important; }
#filtro-estado-dropdown { background:var(--surface) !important; border:2px solid var(--border) !important; padding:6px 0 !important; }
#filtro-estado-dropdown label { display:flex !important; align-items:center !important; gap:8px !important; padding:5px 14px !important; }
#filtro-estado-dropdown label:hover { background:var(--bg) !important; }
#filtro-estado-dropdown input[type=checkbox] { width:15px !important; height:15px !important; flex-shrink:0 !important; accent-color:var(--accent) !important; cursor:pointer !important; }
#filtro-estado-dropdown .vivo-badge { font-size:11px !important; padding:2px 8px !important; border-radius:10px !important; background:#e0f2fe !important; color:#0369a1 !important; font-weight:700 !important; }
#filtro-estado-dropdown hr { border:none !important; border-top:1px solid var(--border) !important; margin:4px 0 !important; }
table { width:100%; border-collapse:collapse; table-layout:fixed; }
table th { background:var(--bg); font-size:11px; font-weight:700; color:var(--text3); text-transform:uppercase; letter-spacing:.05em; padding:8px 12px; text-align:left; border-bottom:2px solid var(--border); white-space:nowrap; cursor:pointer; user-select:none; }
table th:hover { color:var(--accent); }
table th .sort-icon { margin-left:4px; opacity:.4; }
.venc-grid { display:grid; grid-template-columns:repeat(7,1fr); gap:8px; }
.venc-dia { background:var(--surface); border:1.5px solid var(--border); border-radius:10px; padding:10px 8px; min-height:90px; }
.venc-dia.es-hoy { border-color:var(--accent); background:rgba(37,99,235,.04); }
.venc-dia.tiene-vencidas { border-color:#ef4444; background:rgba(239,68,68,.04); }
.venc-dia-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:7px; }
.venc-dia-nombre { font-size:10px; font-weight:700; text-transform:uppercase; letter-spacing:.07em; color:var(--text3); }
.venc-dia-num { font-size:18px; font-weight:800; color:var(--text); line-height:1; }
.venc-dia.es-hoy .venc-dia-num { color:var(--accent); }
.venc-dia.tiene-vencidas .venc-dia-num { color:#ef4444; }
.venc-tarea { font-size:11.5px; padding:5px 7px; border-radius:5px; margin-bottom:4px; background:var(--bg); border:1px solid var(--border); cursor:pointer; transition:background .15s; overflow:hidden; }
.venc-tarea:hover { background:var(--border); }
.venc-tarea.vencida { background:#fef2f2; border-color:#fecaca; color:#b91c1c; }
.venc-tarea .venc-proy { font-size:10px; color:var(--text3); display:block; }
/* Drag & drop recursos */
.org-empresa-col:hover { border-color:var(--accent) !important; }
.org-recurso-card:hover { box-shadow:0 2px 8px rgba(0,0,0,.12); border-color:var(--accent) !important; }
.org-recurso-card:hover .org-edit-hint { opacity:.5 !important; }
.org-recurso-card[draggable]:active { cursor:grabbing; }
.venc-mas { font-size:11px; color:var(--accent); font-weight:600; padding:2px 4px; cursor:pointer; }
table th.sort-asc .sort-icon, table th.sort-desc .sort-icon { opacity:1; color:var(--accent); }
table td { padding:8px 12px; border-bottom:1px solid var(--border); font-size:13px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; max-width:0; }
table td.td-actions { max-width:none; width:160px; padding-right:16px; }
table tr:hover td { background:var(--bg); }
.stat-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 10px; }
.stat-icon { width: 34px; height: 34px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 15px; }
.si-blue  { background: #dbeafe; color: #2563eb; }
.si-slate { background: #f1f5f9; color: #475569; }
.si-red   { background: #fee2e2; color: #dc2626; }
.si-green { background: #dcfce7; color: #15803d; }
.stat-change { font-size: 10.5px; font-weight: 700; padding: 2px 7px; border-radius: 4px; }
.change-up   { background: #dcfce7; color: #15803d; }
.change-down { background: #fee2e2; color: #dc2626; }
.stat-value { font-family: var(--font-num); font-size: 30px; font-weight: 600; color: var(--text); line-height: 1; margin-bottom: 3px; }
.stat-value.blue  { color: var(--accent); }
.stat-value.red   { color: var(--warn); }
.stat-value.green { color: var(--green); }
.stat-label { font-size: 11.5px; color: var(--text3); font-weight: 600; }

/* ── SECTIONS ── */
.section { margin-bottom: 22px; }
.section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.section-title { font-size: 11px; letter-spacing: 1px; text-transform: uppercase; color: var(--text3); font-weight: 700; }
.section-link { font-size: 12.5px; color: var(--accent); cursor: pointer; font-weight: 600; }

/* ── CARDS / TABLES ── */
.card { background: var(--surface); border: 2px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
table { width: 100%; border-collapse: collapse; }
thead th { text-align: left; padding: 10px 16px; font-size: 10.5px; letter-spacing: 0.8px; text-transform: uppercase; color: var(--text3); font-weight: 700; background: #f8fafc; border-bottom: 2px solid var(--border2); }
tbody tr { border-bottom: 1.5px solid #edf2f7; transition: background var(--trans); }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: #f8fafc; }
tbody td { padding: 11px 16px; font-size: 13px; color: var(--text2); vertical-align: middle; }
tbody td.td-actions { width: 160px; white-space: nowrap; padding-right: 16px; }
.td-name { color: var(--text); font-weight: 700; }
.td-muted { color: var(--text3); font-size: 12.5px; }
.td-mono { font-family: monospace; font-size: 11.5px; }

/* ── BADGES ── */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 9px; border-radius: var(--radius-sm); font-size: 11px; font-weight: 700; border: 1.5px solid; }
.badge-activo     { background: #f0fdf4; color: #15803d; border-color: #bbf7d0; }
.badge-pausa      { background: #fffbeb; color: #92400e; border-color: #fde68a; }
.badge-cerrado    { background: #f8fafc; color: #64748b; border-color: #cbd5e1; }
.badge-cancelado  { background: #f8fafc; color: #64748b; border-color: #cbd5e1; }
.badge-pendiente  { background: #f8fafc; color: #475569; border-color: #cbd5e1; }
.badge-en-curso   { background: #eff6ff; color: #1d4ed8; border-color: #bfdbfe; }
.badge-completada { background: #f0fdf4; color: #15803d; border-color: #bbf7d0; }
.badge-bloqueada  { background: #fef2f2; color: #dc2626; border-color: #fecaca; }

/* ── PROGRESS ── */
.progress-wrap { display: flex; align-items: center; gap: 9px; }
.progress-bar { flex: 1; height: 5px; background: #e2e8f0; border-radius: 99px; min-width: 70px; }
.progress-fill { height: 100%; border-radius: 99px; background: var(--accent); transition: width 500ms ease; }
.progress-pct { font-size: 11.5px; color: var(--text3); min-width: 28px; text-align: right; font-weight: 600; }

/* ── FASES ── */
.phases-timeline { display: flex; border: 2px solid var(--border); border-radius: var(--radius); overflow: hidden; margin-bottom: 22px; background: var(--surface); box-shadow: var(--shadow); }
.phase-step { flex: 1; padding: 14px 12px; text-align: center; border-right: 1.5px solid var(--border2); cursor: pointer; transition: background var(--trans); }
.phase-step:last-child { border-right: none; }
.phase-step:hover { background: #f8fafc; }
.phase-num { font-size: 9px; color: var(--text4); margin-bottom: 4px; letter-spacing: 1px; font-weight: 700; }
.phase-name { font-size: 11.5px; color: var(--text2); font-weight: 600; }
.phase-estado { font-size: 9px; margin-top: 6px; }

/* ── FASE GROUP ROW ── */
.fase-group-row td { padding: 7px 16px !important; font-size: 10px !important; letter-spacing: 1.5px; text-transform: uppercase; color: var(--accent) !important; font-weight: 700 !important; background: #f0f6ff !important; border-bottom: 1.5px solid #dbeafe !important; }

/* ── ALERTS ── */
.alert-vencida { color: var(--warn) !important; font-weight: 700; }
.warn-icon { color: var(--warn); font-size: 12px; }

/* ── EMPTY STATE ── */
.empty-state { padding: 52px; text-align: center; color: var(--text3); }
.empty-icon { font-size: 30px; margin-bottom: 12px; opacity: 0.4; }
.empty-text { font-size: 13px; margin-bottom: 16px; font-weight: 500; }

/* ── MODAL ── */
.modal-overlay { display: none; position: fixed; inset: 0; z-index: 500; background: rgba(15,23,42,0.35); backdrop-filter: blur(3px); align-items: center; justify-content: center; padding: 24px; }
.modal-overlay.open { display: flex; animation: fadeUp 150ms ease; }
.modal { background: var(--surface); border: 2px solid var(--border); border-radius: var(--radius); width: 100%; max-width: 540px; max-height: 90vh; overflow-y: auto; box-shadow: var(--shadow-md); }
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 2px solid var(--border2); background: #f8fafc; }
.modal-title { font-family: var(--font-head); font-size: 15px; font-weight: 600; color: var(--text); }
.modal-close { background: none; border: none; color: var(--text3); cursor: pointer; font-size: 20px; line-height: 1; padding: 0 2px; transition: color var(--trans); }
.modal-close:hover { color: var(--text); }
.modal-body { padding: 20px; display: flex; flex-direction: column; gap: 14px; }
.modal-footer { display: flex; justify-content: flex-end; gap: 8px; padding: 14px 20px; border-top: 2px solid var(--border2); background: #f8fafc; }

/* ── FORM ── */
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
label { font-size: 10.5px; letter-spacing: 0.8px; text-transform: uppercase; color: var(--text3); font-weight: 700; }
input, select, textarea { background: var(--bg); border: 1.5px solid var(--border); color: var(--text); font-family: var(--font-body); font-size: 13px; padding: 8px 11px; border-radius: 6px; width: 100%; transition: var(--trans); outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(59,130,246,0.12); background: var(--surface); }
select option { background: var(--surface); }
textarea { resize: vertical; min-height: 80px; }

/* ── LOADING ── */
.loading { display: flex; align-items: center; gap: 10px; color: var(--text3); font-size: 13px; padding: 28px 16px; font-weight: 500; }
.spinner { width: 15px; height: 15px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 600ms linear infinite; flex-shrink: 0; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── TOAST ── */
#toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; }
.toast { background: var(--surface); border: 1.5px solid var(--border); border-radius: 7px; padding: 10px 16px; font-size: 13px; font-weight: 600; color: var(--text); box-shadow: var(--shadow-md); animation: slideIn 200ms ease; display: flex; align-items: center; gap: 8px; }
.toast.success { border-left: 3px solid var(--green); }
.toast.error   { border-left: 3px solid var(--warn); }
@keyframes slideIn { from { opacity:0; transform:translateX(16px); } to { opacity:1; transform:none; } }

/* ── DETALLE ── */
.project-detail { display: none; }
.project-detail.open { display: block; animation: fadeUp 200ms ease; }
.back-btn { display: inline-flex; align-items: center; gap: 5px; background: none; border: 1.5px solid var(--border); color: var(--text2); font-family: var(--font-body); font-size: 12.5px; font-weight: 600; padding: 5px 12px; border-radius: 6px; cursor: pointer; transition: var(--trans); }
.back-btn:hover { border-color: var(--text3); color: var(--text); }