/* ==========================================================================
   Gestor Finanzas - Admin UI (ERP financiero)
   - Responsive móvil/PC (sidebar off-canvas)
   - Tipografía + jerarquía + tablas fluidas
   - Mantiene tus clases actuales (sidebar, dashboard, content, card, tabla, btn)
   ========================================================================== */

:root{
  --bg: #f3f6fb;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: rgba(15,23,42,.08);

  --primary: #1d4ed8;
  --primary-dark: #1e40af;
  --primary-soft: rgba(29,78,216,.10);

  --danger: #ef4444;
  --danger-dark: #b91c1c;

  --success: #16a34a;
  --success-soft: rgba(22,163,74,.12);

  --sidebar: #0b1224;
  --sidebar-2: #111b33;
  --sidebar-border: rgba(148,163,184,.16);

  --shadow-sm: 0 6px 18px rgba(15,23,42,.08);
  --shadow-md: 0 14px 38px rgba(15,23,42,.14);

  --radius: 16px;
  --radius-sm: 12px;

  --ring: 0 0 0 3px rgba(29,78,216,.16);

  --max: 100%;
}

/* ===== Base / Reset ===== */
*{ box-sizing:border-box; }
html, body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Poppins", sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x:hidden;
}

a{ color:inherit; }
img{ max-width:100%; height:auto; }

:focus{ outline:none; }
:focus-visible{ box-shadow: var(--ring); border-radius: 10px; }

/* ===== Layout Shell ===== */
.app-shell{
  display:flex;
  min-height:100vh;
}

/* Overlay para móvil */
.sidebar-overlay{
  position:fixed;
  inset:0;
  background: rgba(2,6,23,.55);
  opacity:0;
  pointer-events:none;
  transition:.2s;
  z-index: 999;
}
.sidebar-overlay.show{
  opacity:1;
  pointer-events:auto;
}

/* ===== Sidebar ===== */
.sidebar{
  width: 250px;
  min-width: 250px;
  background: linear-gradient(180deg, var(--sidebar) 0%, #08102a 100%);
  border-right: 1px solid var(--sidebar-border);
  padding: 14px;
  display:flex;
  flex-direction:column;
  gap: 10px;
  z-index: 1000;
}

/* Botón/estado colapsado desktop */
.sidebar.collapsed{
  width:0;
  min-width:0;
  padding:0;
  border:none;
  overflow:hidden;
}

/* Logo / header sidebar */
.sidebar .logo{
  text-align:center;
  padding: 12px 10px;
  border-radius: 14px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.06);
}

.sidebar .logo h2{
  color:#fff;
  font-size: 15px;
  margin: 6px 0 8px;
  letter-spacing: .3px;
}

/* Badge rol/usuario */
.sidebar .logo > div{
  color:#e2e8f0 !important;
  display:inline-flex;
  gap:6px;
  align-items:center;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.10);
  font-size: 12px;
}
.sidebar .logo > div b{
  color:#fff;
  font-weight: 800;
}

/* botones pequeños en logo */
.sidebar .logo .btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  padding: 7px 10px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.07);
  color:#fff;
  font-size: 12px;
  cursor:pointer;
  text-decoration:none;
  transition:.2s;
}
.sidebar .logo .btn:hover{
  background: rgba(255,255,255,.11);
  transform: translateY(-1px);
}

/* Nav */
.sidebar nav{
  display:flex;
  flex-direction:column;
  gap: 4px;
}
.sidebar nav a{
  color: #cbd5e1;
  text-decoration:none;
  padding: 10px 10px;
  border-radius: 12px;
  display:flex;
  align-items:center;
  gap:10px;
  transition: .2s;
  font-size: 14px;
  border: 1px solid transparent;
}
.sidebar nav a:hover{
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.06);
}
.sidebar nav a.active{
  background: rgba(29,78,216,.18);
  color:#fff;
  border-color: rgba(29,78,216,.25);
}

/* Logout */
.sidebar nav .logout{
  margin-top: 12px;
  background: rgba(239,68,68,.92);
  color:#fff;
  justify-content:center;
  border-color: rgba(239,68,68,.25);
}
.sidebar nav .logout:hover{
  background: rgba(239,68,68,1);
}

/* ===== Menú tipo árbol ===== */
.menu-item{ display:flex; flex-direction:column; width:100%; }
.menu-row{ display:flex; align-items:center; justify-content:space-between; gap:6px; width:100%; position:relative; }
.menu-toggle{ width:100%; }

.sub-menu{
  display:none;
  margin-left: 12px;
  padding-left: 0;
  border-left: 1px solid rgba(148,163,184,.35);
  margin-top: 2px;
}
.sub-menu.open{
  display:block;
  border-left-color: rgba(99,102,241,.75);
}

.menu-item a{
  display:flex;
  align-items:center;
  gap:8px;
  color:#cbd5e1;
  text-decoration:none;
  padding: 6px 0;
  font-size: 13px;
  white-space: nowrap;
  overflow:hidden;
  text-overflow: ellipsis;
}
.sub-menu a, .sub-menu .menu-row{
  position:relative;
  padding-left: 16px !important;
}
.sub-menu a::before, .sub-menu .menu-row::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  width: 10px;
  height: 1px;
  background: rgba(148,163,184,.45);
}
.sub-menu.open > a::before,
.sub-menu.open > .menu-item > .menu-row::before{
  background: rgba(99,102,241,.85);
}

.expand-btn{
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(148,163,184,.28);
  border-radius: 8px;
  cursor:pointer;
  color:#a3b1c6;
  width:26px;
  height:26px;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
  transition:.2s;
}
.expand-btn:hover{
  border-color: rgba(99,102,241,.55);
  color:#dbeafe;
}
.expand-btn i{ font-size: 12px; }

/* ===== Main area ===== */
.dashboard{
  flex:1;
  padding: 18px 18px 28px;
  overflow-y:auto;
  min-width: 0;
}

/* Header Top */
.dashboard header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom: 16px;
}

.header-left{
  display:flex;
  align-items:center;
  gap:12px;
  min-width: 0;
}

.toggle-sidebar-btn{
  background: var(--sidebar);
  color:#fff;
  border:none;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size: 20px;
  transition:.2s;
  box-shadow: 0 8px 20px rgba(2,6,23,.14);
}
.toggle-sidebar-btn:hover{
  transform: translateY(-1px);
  background:#070d1f;
}

header h1{
  margin:0;
  font-size: 20px;
  color: var(--text);
  letter-spacing: .2px;
}
header p{
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.content{
  max-width: none;
  width: 100%;
}

/* ===== Page Head utilities ===== */
.page-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap: 12px;
  margin: 6px 0 14px;
  flex-wrap:wrap;
}
.page-head h2{
  margin:0;
  font-size: 18px;
  letter-spacing: .2px;
}
.muted{ color: var(--muted); font-size: 13px; }
.page-actions{ display:flex; gap:8px; flex-wrap:wrap; }

/* ===== Cards ===== */
.cards{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.card{
  background: var(--surface);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: .18s;
}
.card:hover{
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.card-left{ text-align:left; }

/* Mini “info grid” */
.grid-2{
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 12px;
}
.k{ font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.v{ font-size: 14px; font-weight: 700; color: var(--text); }
.s{ font-size: 12px; color: var(--muted); margin-top: 3px; }

/* ===== Buttons ===== */
.btn,
.btn-guardar,
.btn-secondary,
.btn-danger{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius: 12px;
  border: 1px solid transparent;
  cursor:pointer;
  text-decoration:none;
  font-weight: 700;
  transition: .18s;
  user-select:none;
  white-space: nowrap;
}

.btn{
  background: var(--primary);
  color:#fff;
  padding: 10px 14px;
  box-shadow: 0 10px 18px rgba(29,78,216,.18);
}
.btn:hover{ background: var(--primary-dark); transform: translateY(-1px); }

.btn-guardar{
  background: var(--primary);
  color:#fff;
  padding: 10px 16px;
}
.btn-guardar:hover{ background: var(--primary-dark); transform: translateY(-1px); }

.btn-secondary{
  background: #eef2ff;
  color: #111827;
  padding: 10px 12px;
  border-color: rgba(99,102,241,.18);
}
.btn-secondary:hover{
  background: #e0e7ff;
  border-color: rgba(99,102,241,.24);
}

.btn-danger{
  background: rgba(239,68,68,.95);
  color:#fff;
  padding: 9px 12px;
}
.btn-danger:hover{ background: var(--danger-dark); }

/* ===== Forms ===== */
.formulario{
  width: 100%;
  max-width: none;
  margin-top: 14px;
  background: var(--surface);
  padding: 18px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

label{
  display:block;
  margin-top: 10px;
  font-weight: 700;
  color: #334155;
  font-size: 13px;
}

input, select, textarea{
  width:100%;
  padding: 10px 12px;
  border: 1px solid rgba(148,163,184,.45);
  border-radius: 12px;
  margin-top: 6px;
  font-size: 14px;
  background:#fff;
  color: var(--text);
}
input::placeholder{ color:#94a3b8; }

input:focus, select:focus, textarea:focus{
  border-color: rgba(29,78,216,.55);
  box-shadow: var(--ring);
}

.form-actions{
  display:flex;
  justify-content:flex-start;
  align-items:center;
  gap: 10px;
  margin-top: 14px;
  flex-wrap:wrap;
}

/* Filtros (transacciones) */
.filters{
  display:grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
  align-items:end;
}
.filters .field{ min-width: 0; }
.filters .grow{ grid-column: span 2; }
.filters .actions{
  display:flex;
  gap:8px;
  justify-content:flex-end;
  grid-column: span 1;
}
@media (max-width: 1100px){
  .filters{ grid-template-columns: repeat(3, minmax(0,1fr)); }
  .filters .grow{ grid-column: span 3; }
  .filters .actions{ justify-content:flex-start; grid-column: span 3; }
}
@media (max-width: 640px){
  .filters{ grid-template-columns: 1fr; }
  .filters .grow, .filters .actions{ grid-column: auto; }
}

/* ===== Tables ===== */
.table-wrap{
  width:100%;
  overflow:auto;
  border-radius: var(--radius-sm);
  -webkit-overflow-scrolling: touch;
}
.table-scroll-shell{
  position: relative;
  width: 100%;
}
.table-scroll-top{
  display: none;
  overflow-x: auto;
  overflow-y: hidden;
  height: 14px;
  margin-bottom: 6px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #eef2f7;
}
.table-scroll-top-inner{
  height: 1px;
}
.table-scroll-shell.has-overflow-x .table-scroll-top{
  display: block;
}
.table-scroll-shell.has-overflow-x .table-wrap{
  border-top-left-radius: 10px;
  border-top-right-radius: 10px;
}
.tabla{
  width:100%;
  border-collapse: collapse;
  background:#fff;
  border-radius: var(--radius-sm);
  overflow:hidden;
  font-size: 0.86rem;
  box-shadow: none;
  border: 1px solid var(--border);
  min-width: 780px; /* desktop */
}
.tabla thead th{
  background: #f8fafc;
  color: #475569;
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.72rem;
  padding: 12px 10px;
  border-bottom: 1px solid var(--border);
  letter-spacing: .35px;
}
.tabla tbody td{
  padding: 11px 10px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  color: var(--text);
}
.tabla tbody tr:hover{ background: #f8fafc; }

/* Mobile: tablas con scroll natural */
@media (max-width: 768px){
  .tabla{ min-width: 680px; }
}

/* Truncado */
.text-truncate{
  max-width: 180px;
  overflow:hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.num-col{ width: 56px; text-align: center; }
.loan-col{ min-width: 150px; }
.date-col{ min-width: 130px; }
.amount-col{ min-width: 120px; text-align: right; }
.state-col{ min-width: 120px; }
.action-col{ min-width: 210px; }
.loan-chip{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border: 1px solid rgba(15,23,42,.16);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .25px;
  background: #f8fafc;
}
.loan-meta{
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
}
.row-overdue { background: rgba(239,68,68,.08); }
.row-soon { background: rgba(240,173,78,.12); }

/* Badges */
.badge{
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 900;
  display:inline-block;
  line-height: 1.1;
  border: 1px solid transparent;
  text-transform: uppercase;
  letter-spacing: .2px;
}
.badge-success{
  background-color: var(--success-soft);
  color: #166534;
  border-color: rgba(22,163,74,.25);
}
.badge-danger{
  background: rgba(239,68,68,.14);
  color: #991b1b;
  border-color: rgba(239,68,68,.28);
}
.badge-warn{
  background: rgba(240,173,78,.22);
  color: #7c4a03;
  border-color: rgba(240,173,78,.32);
}
.badge-ok{
  background: rgba(22,163,74,.14);
  color: #166534;
  border-color: rgba(22,163,74,.24);
}
.badge-secondary{
  background-color: rgba(148,163,184,.16);
  color: #334155;
  border-color: rgba(148,163,184,.20);
}
.badge-soft{
  background-color: rgba(148,163,184,.16);
  color: #334155;
  border-color: rgba(148,163,184,.20);
}

/* ===== Alerts ===== */
.div-alert{
  background: rgba(239,68,68,.12);
  color: #991b1b;
  padding: 12px 12px;
  border-radius: 14px;
  margin-bottom: 12px;
  border: 1px solid rgba(239,68,68,.18);
  display:flex;
  gap:10px;
  align-items:flex-start;
}

.div-success{
  background: rgba(22,163,74,.12);
  color: #065f46;
  border: 1px solid rgba(22,163,74,.18);
  padding: 12px;
  margin-bottom: 12px;
  border-radius: 14px;
  display:flex;
  align-items:center;
  gap: 10px;
}

.div-info{
  background: rgba(29,78,216,.10);
  color: #1e40af;
  border: 1px solid rgba(29,78,216,.16);
  padding: 12px;
  margin-bottom: 12px;
  border-radius: 14px;
  display:flex;
  align-items:center;
  gap: 10px;
}

/* ===== Login ===== */
.login-body{
  background: radial-gradient(1200px 600px at 20% 20%, rgba(59,130,246,.30), transparent 60%),
              radial-gradient(1000px 500px at 80% 40%, rgba(29,78,216,.28), transparent 60%),
              linear-gradient(135deg, #0b1224, #1d4ed8);
  display:flex;
  justify-content:center;
  align-items:center;
  height:100vh;
  padding: 16px;
}
.login-form{
  background:#fff;
  padding: 34px 28px;
  border-radius: var(--radius);
  width:100%;
  max-width: 390px;
  box-shadow: var(--shadow-md);
  text-align:center;
  border: 1px solid rgba(255,255,255,.16);
}
.login-header i{ font-size: 48px; color: var(--primary); }
.login-header h2{ margin: 10px 0 6px; color: #0b1224; letter-spacing:.2px; }
.login-header p{ color: var(--muted); font-size: 13px; margin:0; }

.form-group{ text-align:left; margin: 14px 0; }
.form-group label{ margin: 0 0 6px; font-size: 13px; }
.form-group input{ border-radius: 14px; }

.btn-login{
  background: var(--primary);
  color:#fff;
  border:none;
  padding: 11px 18px;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 800;
  cursor:pointer;
  width:100%;
  margin-top: 10px;
  transition:.18s;
}
.btn-login:hover{ background: var(--primary-dark); transform: translateY(-1px); }
.login-footer{ margin-top: 14px; font-size: 12px; color: #94a3b8; }

/* ===== Responsive Shell (sidebar off-canvas) ===== */
@media (max-width: 980px){
  .sidebar{
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    transform: translateX(-105%);
    transition: transform .22s ease;
    box-shadow: 0 18px 50px rgba(2,6,23,.45);
  }
  .sidebar.open{
    transform: translateX(0);
  }

  /* dashboard full width */
  .dashboard{
    padding: 14px 12px 24px;
  }

  .grid-2{ grid-template-columns: 1fr; }
}

/* Extra small */
@media (max-width: 520px){
  header h1{ font-size: 18px; }
  .card{ padding: 14px; }
  .toggle-sidebar-btn{ width: 40px; height: 40px; border-radius: 14px; }
}

.header-right{ display:flex; align-items:center; gap:12px; }
.user-chip{
  display:flex; align-items:center; gap:10px;
  background:#fff;
  border:1px solid rgba(15,23,42,.08);
  padding:8px 12px;
  border-radius:999px;
  box-shadow: 0 10px 24px rgba(2,6,23,.06);
}
.user-chip img{
  width:38px; height:38px; border-radius:50%;
  object-fit:cover;
}
.user-chip-name{ font-weight:700; font-size:13px; color:#0b1224; line-height:1.1; }
.user-chip-meta{ font-size:12px; color:#64748b; margin-top:2px; }

/* =========================
   Mejoras responsive extra
   ========================= */

.card,
.table-wrap,
.formulario {
  width: 100%;
}

.loan-inline-form{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  align-items:end;
}

.form-actions-inline{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}

.loan-inline-form .form-actions-inline{
  grid-column: 1 / -1;
}

.table-form-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 8px;
  align-items:end;
  width: 100%;
}

.table-form-grid .wide{
  grid-column: span 2;
}

@media (max-width: 900px){
  .table-form-grid .wide{
    grid-column: span 1;
  }
}

.table-cell-actions{
  min-width: 420px;
}

@media (max-width: 768px){
  .dashboard{
    padding: 12px;
  }

  .content{
    width: 100%;
  }

  .card{
    padding: 14px;
  }

  .table-cell-actions{
    min-width: 340px;
  }
}

.section-block{
  margin: 18px 0;
}
.section-title{
  margin: 0 0 12px;
  font-size: 16px;
}
.kpi-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}
.kpi-card{
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
}
.kpi-label{
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.kpi-amount{
  margin: 8px 0 0;
  font-size: 24px;
  font-weight: 800;
}
.kpi-meta{
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 12px;
}
.kpi-danger{ border-color: rgba(239,68,68,.25); background: rgba(239,68,68,.05); }
.kpi-warning{ border-color: rgba(240,173,78,.35); background: rgba(240,173,78,.08); }
.kpi-ok{ border-color: rgba(22,163,74,.24); background: rgba(22,163,74,.05); }
.kpi-profit{
  border-color: rgba(29,78,216,.24);
  background: rgba(29,78,216,.06);
}
.progress-block{
  margin-top: 14px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
}
.progress-head{
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:13px;
}
.progress-bar{
  margin-top: 8px;
  height: 10px;
  border-radius: 999px;
  background: #e2e8f0;
  overflow: hidden;
}
.progress-bar span{
  display:block;
  height:100%;
  background: linear-gradient(90deg, #1d4ed8, #38bdf8);
}

.quick-filters { display:flex; gap:8px; flex-wrap:wrap; margin:10px 0 12px; }
.qbtn { padding:8px 10px; border-radius:10px; text-decoration:none; display:inline-flex; gap:8px; align-items:center; border:1px solid rgba(0,0,0,.10); background: #fff; }
.qbtn.active { border-color: rgba(0,0,0,.35); box-shadow: 0 6px 18px rgba(0,0,0,.06); }

@media (min-width: 1400px){
  .dashboard{
    padding-left: 24px;
    padding-right: 24px;
  }
}