:root{--bg-primary:#0F172A;--bg-secondary:#1E293B;--bg-card:rgba(30,41,59,0.9);--color-primary:#6366F1;--color-primary-light:#818CF8;--color-primary-dark:#4F46E5;--color-success:#10B981;--color-danger:#EF4444;--color-warning:#F59E0B;--color-text:#F1F5F9;--color-text-muted:#94A3B8;--color-text-faint:#475569;--border-color:rgba(255,255,255,0.08);--border-hover:rgba(255,255,255,0.15);--shadow:0 4px 24px rgba(0,0,0,0.4);--r-card:16px;--r-btn:12px;--r-sm:8px;--font:Inter,system-ui,sans-serif}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;background:var(--bg-primary);color:var(--color-text);font-family:var(--font);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}input,select,textarea{font-family:inherit}
.app-shell{display:flex;flex-direction:column;min-height:100vh}
.main-content{flex:1;padding:1rem 1rem 5rem;max-width:640px;margin:0 auto;width:100%}
.top-bar{display:flex;align-items:center;justify-content:space-between;padding:.875rem 1rem;background:var(--bg-secondary);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:100}
.top-bar .logo{font-weight:700;font-size:1.25rem;color:var(--color-primary)}
.user-avatar{width:36px;height:36px;border-radius:50%;background:var(--color-primary);display:flex;align-items:center;justify-content:center;font-size:.875rem;font-weight:600;cursor:pointer}
.bottom-nav{position:fixed;bottom:0;left:0;right:0;background:var(--bg-secondary);border-top:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-around;padding:.5rem 0 calc(.5rem + env(safe-area-inset-bottom));z-index:100}
.nav-item{display:flex;flex-direction:column;align-items:center;gap:2px;padding:.5rem .75rem;color:var(--color-text-muted);font-size:.6875rem;border:none;background:none;transition:color .2s;cursor:pointer}
.nav-item.active{color:var(--color-primary)}
.nav-item svg{width:22px;height:22px;stroke-width:1.8}
.nav-fab{width:52px;height:52px;border-radius:50%;background:var(--color-primary);color:#fff;display:flex;align-items:center;justify-content:center;border:none;box-shadow:0 4px 16px rgba(99,102,241,.5);transform:translateY(-12px);padding:0}
.nav-fab svg{width:24px;height:24px;stroke-width:2.5}
.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--r-card);padding:1.25rem}
.card-balance{background:linear-gradient(135deg,#4F46E5,#7C3AED);border:none}
.card-balance .bal-label{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;opacity:.8;margin-bottom:.25rem}
.card-balance .bal-amount{font-size:2rem;font-weight:700;letter-spacing:-.02em}
.card-balance .bal-change{font-size:.8125rem;opacity:.85;margin-top:.5rem}
.cards-grid{display:grid;grid-template-columns:1fr 1fr;gap:.75rem;margin:1rem 0}
.card-sm{padding:1rem}
.card-label{font-size:.75rem;color:var(--color-text-muted);margin-bottom:.25rem}
.card-value{font-size:1.25rem;font-weight:600}
.card-income .card-value{color:var(--color-success)}
.card-expense .card-value{color:var(--color-danger)}
.section-header{display:flex;align-items:center;justify-content:space-between;margin:1.5rem 0 .75rem}
.section-title{font-size:1rem;font-weight:600}
.section-link{font-size:.8125rem;color:var(--color-primary);cursor:pointer}
.tx-item{display:flex;align-items:center;gap:.875rem;padding:.875rem 0;border-bottom:1px solid var(--border-color)}
.tx-item:last-child{border-bottom:none}
.tx-icon{width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.125rem;flex-shrink:0}
.tx-icon.gasto{background:rgba(239,68,68,.15)}
.tx-icon.ingreso{background:rgba(16,185,129,.15)}
.tx-icon.transferencia{background:rgba(99,102,241,.15)}
.tx-info{flex:1;min-width:0}
.tx-name{font-size:.9375rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tx-date{font-size:.75rem;color:var(--color-text-muted);margin-top:2px}
.tx-amount{font-size:.9375rem;font-weight:600;white-space:nowrap}
.tx-amount.gasto{color:var(--color-danger)}
.tx-amount.ingreso{color:var(--color-success)}
.badge{display:inline-flex;align-items:center;gap:4px;padding:.25rem .625rem;border-radius:var(--r-sm);font-size:.6875rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.badge-primary{background:rgba(99,102,241,.2);color:var(--color-primary-light)}
.badge-success{background:rgba(16,185,129,.2);color:var(--color-success)}
.badge-danger{background:rgba(239,68,68,.2);color:var(--color-danger)}
.badge-warning{background:rgba(245,158,11,.2);color:var(--color-warning)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;border-radius:var(--r-btn);font-size:.9375rem;font-weight:600;border:none;transition:all .2s;cursor:pointer}
.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark)}
.btn-secondary{background:var(--border-color);color:var(--color-text)}.btn-secondary:hover{background:var(--border-hover)}
.btn-danger{background:rgba(239,68,68,.15);color:var(--color-danger)}
.btn-full{width:100%}.btn svg{width:18px;height:18px}
.form-group{margin-bottom:1rem}
.form-label{display:block;font-size:.875rem;color:var(--color-text-muted);margin-bottom:.375rem}
.form-control{width:100%;padding:.75rem 1rem;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--r-sm);color:var(--color-text);font-size:.9375rem;outline:none;transition:border-color .2s}
.form-control:focus{border-color:var(--color-primary)}
.form-control::placeholder{color:var(--color-text-faint)}
select.form-control{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1rem center}
.alert-banner{display:flex;align-items:center;gap:.875rem;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--r-card);padding:1rem;margin-bottom:1rem}
.alert-icon{width:40px;height:40px;border-radius:10px;background:rgba(245,158,11,.2);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:1.25rem}
.alert-body{flex:1}.alert-title{font-size:.8125rem;font-weight:700;color:var(--color-warning);text-transform:uppercase;letter-spacing:.06em}
.alert-desc{font-size:.875rem;color:var(--color-text-muted);margin-top:2px}
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);display:flex;align-items:flex-end;justify-content:center;z-index:1000}
.modal-overlay.hidden{display:none}
.modal{background:var(--bg-secondary);border-radius:var(--r-card) var(--r-card) 0 0;width:100%;max-width:640px;padding:1.5rem;max-height:90vh;overflow-y:auto}
.modal-handle{width:40px;height:4px;background:var(--border-hover);border-radius:2px;margin:0 auto 1.25rem}
.modal-title{font-size:1.125rem;font-weight:700;margin-bottom:1.25rem}
.chart-wrap{position:relative;height:200px;margin:1rem 0}
.tipo-tabs{display:grid;grid-template-columns:1fr 1fr 1fr;gap:.5rem;margin-bottom:1rem}
.tipo-tab{padding:.625rem;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--r-sm);color:var(--color-text-muted);font-size:.875rem;font-weight:500;text-align:center;cursor:pointer;transition:all .2s}
.tipo-tab.active-ingreso{background:rgba(16,185,129,.15);border-color:var(--color-success);color:var(--color-success)}
.tipo-tab.active-gasto{background:rgba(239,68,68,.15);border-color:var(--color-danger);color:var(--color-danger)}
.tipo-tab.active-transferencia{background:rgba(99,102,241,.15);border-color:var(--color-primary);color:var(--color-primary-light)}
.cat-grid{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}
.cat-pill{display:flex;align-items:center;gap:.375rem;padding:.375rem .75rem;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:20px;font-size:.8125rem;cursor:pointer;transition:all .2s}
.cat-pill.selected{border-color:var(--color-primary);background:rgba(99,102,241,.15);color:var(--color-primary-light)}
.toast-container{position:fixed;top:1rem;right:1rem;z-index:2000;display:flex;flex-direction:column;gap:.5rem}
.toast{padding:.75rem 1.25rem;border-radius:var(--r-btn);font-size:.875rem;font-weight:500;animation:slideIn .3s ease}
.toast-success{background:#064E3B;color:#6EE7B7;border:1px solid #065F46}
.toast-error{background:#7F1D1D;color:#FCA5A5;border:1px solid #991B1B}
.toast-info{background:#1E1B4B;color:#A5B4FC;border:1px solid #3730A3}
@keyframes slideIn{from{transform:translateX(110%);opacity:0}to{transform:translateX(0);opacity:1}}
.cuenta-card{display:flex;align-items:center;justify-content:space-between;padding:1.125rem 1.25rem}
.cuenta-info{display:flex;align-items:center;gap:.875rem}
.cuenta-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.25rem}
.cuenta-nombre{font-weight:600;font-size:.9375rem}
.cuenta-tipo{font-size:.75rem;color:var(--color-text-muted);margin-top:2px}
.cuenta-saldo{font-size:1rem;font-weight:700;text-align:right}
.empty-state{text-align:center;padding:3rem 1rem;color:var(--color-text-muted)}
.empty-state .empty-icon{font-size:3rem;margin-bottom:1rem}
.empty-state h3{font-size:1rem;font-weight:600;color:var(--color-text);margin-bottom:.5rem}
.drop-zone{border:2px dashed var(--border-hover);border-radius:var(--r-card);padding:2rem;text-align:center;cursor:pointer;transition:all .2s}
.drop-zone:hover,.drop-zone.drag-over{border-color:var(--color-primary);background:rgba(99,102,241,.05)}
.drop-zone .drop-icon{font-size:2.5rem;margin-bottom:.875rem}
.reporte-row{display:flex;align-items:center;gap:.875rem;padding:.75rem 0;border-bottom:1px solid var(--border-color)}
.reporte-bar-wrap{flex:1;height:6px;background:var(--border-color);border-radius:3px;overflow:hidden}
.reporte-bar{height:100%;border-radius:3px;background:var(--color-primary);transition:width .6s ease}
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1.5rem}
.login-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--r-card);padding:2rem;width:100%;max-width:400px}
.login-logo{text-align:center;margin-bottom:2rem}
.login-logo .logo-icon{width:60px;height:60px;border-radius:16px;background:var(--color-primary);display:flex;align-items:center;justify-content:center;margin:0 auto 1rem;font-size:1.75rem}
.login-logo h1{font-size:1.5rem;font-weight:800}
.login-logo p{color:var(--color-text-muted);font-size:.875rem;margin-top:.25rem}
.tab-switch{display:grid;grid-template-columns:1fr 1fr;background:var(--bg-primary);border-radius:var(--r-sm);padding:4px;margin-bottom:1.5rem}
.tab-btn{padding:.625rem;border:none;background:none;color:var(--color-text-muted);font-size:.9375rem;font-weight:500;border-radius:6px;cursor:pointer;transition:all .2s}
.tab-btn.active{background:var(--color-primary);color:#fff}
.perfil-header{display:flex;align-items:center;gap:1rem;padding:1.5rem;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--r-card);margin-bottom:1rem}
.perfil-avatar{width:64px;height:64px;border-radius:50%;background:var(--color-primary);display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700;flex-shrink:0}
.menu-item{display:flex;align-items:center;gap:.875rem;padding:1rem 1.25rem;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--r-card);margin-bottom:.5rem;cursor:pointer}
@media(min-width:640px){.main-content{padding:1.5rem 1.5rem 5rem}}

/* ==============================================
   LANDING / LOGIN — layout de dos columnas
   ============================================== */

/* El main-content tiene padding y max-width por defecto,
   el JS los resetea pero por si acaso los forzamos aquí */
#main-content:has(.landing-grid) {
  padding: 0 !important;
  max-width: none !important;
  margin: 0 !important;
}

.landing-grid {
  display: grid;
  grid-template-columns: 3fr 1fr;
  min-height: 100vh;
  width: 100%;
}

.landing-features {
  background: linear-gradient(160deg, #1E293B 0%, #0F172A 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 4rem;
  min-height: 100vh;
}

.landing-inner {
  max-width: 600px;
  width: 100%;
}

.landing-form-col {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
  background: var(--bg-primary);
  border-left: 1px solid var(--border-color);
  min-height: 100vh;
}

.features-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1.125rem;
}

.feature-icon {
  font-size: 1.75rem;
  flex-shrink: 0;
  margin-top: 2px;
  width: 2.5rem;
  text-align: center;
}

.feature-title {
  font-size: 1rem;
  font-weight: 700;
  color: #F1F5F9;
  margin-bottom: .3rem;
}

.feature-desc {
  font-size: .875rem;
  color: #94A3B8;
  line-height: 1.6;
}

/* Móvil: ocultar panel de ventajas, solo mostrar formulario */
@media (max-width: 900px) {
  .landing-grid {
    grid-template-columns: 1fr;
  }
  .landing-features {
    display: none;
  }
  .landing-form-col {
    border-left: none;
    min-height: 100vh;
  }
}