/* SLT Herama — Portal Cliente */
:root {
  --bg: #0b1220;
  --bg-elev: #131c2e;
  --bg-elev-2: #1a2540;
  --border: #233252;
  --primary: #4f8cff;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --text: #e8edf7;
  --text-dim: #94a3b8;
  --text-muted: #64748b;
  --accent: #38bdf8;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
  --radius: 16px;
  --radius-sm: 10px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { min-height: 100vh; }
body {
  background:
    radial-gradient(1200px 600px at 0% 0%, rgba(79, 140, 255, 0.10), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
.container { max-width: 760px; margin: 0 auto; padding: 0 20px; }
.hidden { display: none !important; }
.text-dim { color: var(--text-dim); }
.lbl-mini {
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  margin-bottom: 4px;
}

/* =========== VIEWS =========== */
.view { display: none; padding: 24px 0 60px; }
.view.active { display: block; animation: fadeIn 0.25s; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

/* =========== NAV =========== */
.nav {
  background: rgba(11, 18, 32, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}
.brand-mark {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, #4f8cff, #38bdf8);
  color: white;
  font-weight: 800;
  font-size: 12px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px;
}
.brand-text { font-weight: 800; font-size: 17px; letter-spacing: -0.01em; }
.brand-accent {
  background: linear-gradient(135deg, #4f8cff, #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-link {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
}
.nav-link:hover { color: var(--text); }

/* =========== LOGIN =========== */
.login-card {
  max-width: 420px;
  margin: 60px auto 0;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow);
}
.login-icon { font-size: 48px; margin-bottom: 16px; }
.login-card h1 {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}
.login-card p { font-size: 14px; margin-bottom: 24px; }
.login-form { text-align: left; }
.login-form label {
  display: block;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 6px;
  font-weight: 500;
}
.login-form input {
  width: 100%;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-size: 18px;
  font-family: inherit;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text);
  outline: none;
  margin-bottom: 16px;
  text-align: center;
}
.login-form input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(79, 140, 255, 0.15);
}
.login-error {
  margin-top: 14px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #fca5a5;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  text-align: center;
}
.login-foot {
  margin-top: 26px;
  font-size: 13px;
  color: var(--text-dim);
}
.login-foot a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}
.login-foot a:hover { text-decoration: underline; }

/* =========== BUTTONS =========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: transform 0.1s, box-shadow 0.2s;
}
.btn:active { transform: translateY(1px); }
.btn-lg { padding: 14px 26px; font-size: 16px; }
.btn-block { width: 100%; }
.btn-primary {
  background: linear-gradient(135deg, #4f8cff, #38bdf8);
  color: white;
  box-shadow: 0 4px 14px rgba(79, 140, 255, 0.35);
}
.btn-primary:hover { box-shadow: 0 6px 20px rgba(79, 140, 255, 0.5); }
.btn-secondary {
  background: var(--bg-elev);
  color: var(--text);
  border: 1px solid var(--border);
}

/* =========== DASHBOARD =========== */
.dash-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
}
.dash-head h1 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 2px 0 4px;
}
.dash-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-dim);
}

/* Estado del mes — la card más visible */
.estado-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
  margin-bottom: 16px;
}
.estado-card.al-dia {
  background: linear-gradient(135deg, rgba(34,197,94,0.15), rgba(34,197,94,0.04));
  border-color: rgba(34,197,94,0.5);
}
.estado-card.pendiente {
  background: linear-gradient(135deg, rgba(245,158,11,0.15), rgba(245,158,11,0.04));
  border-color: rgba(245,158,11,0.5);
}
.estado-icon {
  font-size: 44px;
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border-radius: 50%;
}
.estado-label {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 2px;
}
.estado-sub {
  font-size: 14px;
  color: var(--text-dim);
}
.estado-cuota { text-align: right; }
.cuota-valor {
  font-size: 22px;
  font-weight: 800;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  margin-top: 2px;
}

/* Cards generales */
.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 16px;
}
.card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

/* Plan */
.plan-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 18px;
}
.plan-val {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

/* Histórico */
.historial { display: flex; flex-direction: column; gap: 8px; }
.h-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
}
.h-mes {
  font-weight: 700;
  font-size: 14px;
  color: var(--text);
}
.h-meta {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 2px;
}
.h-valor {
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
}
.h-row.row-pagado .h-valor::before {
  content: "✓ ";
  color: var(--success);
}
.empty {
  text-align: center;
  color: var(--text-dim);
  padding: 24px;
  font-size: 14px;
}

/* Acciones */
.acciones-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.accion-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px 14px;
  text-align: center;
  cursor: pointer;
  font-family: inherit;
  color: var(--text);
  text-decoration: none;
  transition: transform 0.15s, border-color 0.15s;
  display: block;
}
.accion-card:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
}
.accion-emoji { font-size: 30px; margin-bottom: 8px; }
.accion-titulo { font-size: 14px; font-weight: 700; margin-bottom: 2px; }
.accion-sub { font-size: 11px; color: var(--text-dim); }

/* =========== MODAL =========== */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  animation: fadeIn 0.2s;
}
.modal-content {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow);
}
.modal-content h2 {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 6px;
}
.modal-content p { font-size: 14px; margin-bottom: 18px; }
.modal-content label {
  display: block;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 6px;
  font-weight: 500;
}
.modal-content textarea {
  width: 100%;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  outline: none;
  resize: vertical;
  min-height: 80px;
}
.modal-content textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(79, 140, 255, 0.15);
}
.modal-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}
.modal-actions .btn { flex: 1; }

/* =========== TOAST =========== */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 22px;
  border-radius: 999px;
  z-index: 100;
  font-weight: 500;
  box-shadow: var(--shadow);
  animation: toastIn 0.25s;
}
.toast.success { border-color: var(--success); color: var(--success); }
.toast.error { border-color: var(--danger); color: var(--danger); }
@keyframes toastIn {
  from { opacity: 0; transform: translate(-50%, 10px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

/* =========== RESPONSIVE =========== */
@media (max-width: 600px) {
  .estado-card { grid-template-columns: 1fr; text-align: center; }
  .estado-cuota { text-align: center; }
  .estado-icon { margin: 0 auto; }
  .plan-grid { grid-template-columns: 1fr; }
  .dash-head { flex-direction: column; gap: 14px; align-items: stretch; }
  .dash-head .btn { align-self: flex-start; }
  .acciones-grid { grid-template-columns: 1fr; }
}