:root{
  --bg:#090d16;
  --bg-soft:#101827;
  --card:#121b2d;
  --card-2:#0f1727;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --text:#eef4ff;
  --muted:#97a3bb;
  --accent:#ffd400;
  --accent-soft:rgba(255,212,0,.12);
  --success:#23c16b;
  --warning:#ffb020;
  --danger:#ff5d73;
  --city:#22c55e;
  --mixed:#ffd400;
  --highway:#3b82f6;
  --shadow:0 18px 48px rgba(0,0,0,.34);
  --radius-xl:28px;
  --radius-lg:22px;
  --radius-md:18px;
  --radius-sm:14px;
  --container:1000px;
  font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}

body{
  margin:0;
  color:var(--text);
  background:
    radial-gradient(1000px 560px at 15% -10%, rgba(255,212,0,.12), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(59,130,246,.12), transparent 55%),
    linear-gradient(180deg, #09101a 0%, #070b13 100%);
}

button,input,select{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%}

.hidden{
  display:none !important;
}

.app-header{
  position:sticky;
  top:0;
  z-index:30;
  backdrop-filter:blur(18px);
  background:rgba(9,13,22,.72);
  border-bottom:1px solid var(--line);
}

.brand{
  max-width:var(--container);
  margin:0 auto;
  padding:14px 16px;
}

.brand-left{
  display:flex;
  align-items:center;
  gap:12px;
}

.brand-icon{
  width:44px;
  height:44px;
  border-radius:14px;
  box-shadow:0 8px 26px rgba(0,0,0,.3);
}

.brand h1{
  margin:0;
  font-size:16px;
  line-height:1.1;
}

.brand p{
  margin:3px 0 0;
  color:var(--muted);
  font-size:12px;
}

.container{
  max-width:var(--container);
  margin:0 auto;
  padding:18px 6px 28px;
}

.hero-card,
.tabs-card,
.modal-sheet,
.panel-card,
.stint-card,
.computed-card,
.metric-card{
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}

.hero-card,
.tabs-card{
  background:linear-gradient(180deg, rgba(18,27,45,.96), rgba(12,20,35,.96));
  border-radius:var(--radius-xl);
}

.hero-card{
  padding:28px 28px 22px;
  overflow:hidden;
  position:relative;
  min-height:460px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
}

.hero-card::before{
  content:"";
  position:absolute;
  inset:auto -80px -120px auto;
  width:280px;
  height:280px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(255,212,0,.12), transparent 65%);
  pointer-events:none;
}

.hero-top{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:40px;
  margin-bottom:36px;
}

.hero-top > div:first-child{
  flex:1;
  display:flex;
  justify-content:center;
}

.eyebrow{
  display:block;
  width:100%;
  text-align:center;
  color:var(--accent);
  font-size:30px;
  font-weight:800;
  letter-spacing:.08em;
  text-transform:uppercase;
  line-height:1.15;
  margin-top:4px;
}

.hero-car{
  width:290px;
  opacity:.98;
  filter:drop-shadow(0 22px 34px rgba(0,0,0,.42));
  margin-top:0;
  margin-left:auto;
}

.hero-metrics{
  display:grid;
  grid-template-columns:repeat(4, minmax(0, 1fr));
  gap:18px;
  margin-top:auto;
}

.metric-card{
  padding:24px 18px;
  border-radius:22px;
  min-height:118px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  text-align:center;
  background:rgba(255,255,255,.02);
}

.metric-card span{
  color:var(--muted);
  font-size:0.95rem;
  line-height:1.2;
  opacity:.88;
  text-align:center;
  margin-bottom:8px;
}

.metric-card strong{
  font-size:2.45rem;
  line-height:1.05;
  white-space:nowrap;
  text-align:center;
}

.metric-card.featured{
  background:linear-gradient(180deg, rgba(255,212,0,.18), rgba(255,212,0,.08));
}

.hero-actions{
  margin-top:22px;
}

.primary,
.ghost,
.toggle-advanced,
.tab,
.icon-btn,
.year-summary-toggle{
  border:none;
  transition:transform .18s ease, background .18s ease, opacity .18s ease, border-color .18s ease;
}

.primary:hover,
.ghost:hover,
.toggle-advanced:hover,
.tab:hover,
.icon-btn:hover,
.year-summary-toggle:hover{
  transform:translateY(-1px);
}

.primary{
  background:linear-gradient(180deg, #ffe146, #ffd400);
  color:#111;
  font-weight:800;
  border-radius:18px;
  padding:14px 18px;
}

.cta{
  width:100%;
  font-size:16px;
  padding:16px 20px;
  border-radius:20px;
}

.ghost{
  background:rgba(255,255,255,.04);
  color:var(--text);
  border:1px solid var(--line);
  border-radius:16px;
  padding:11px 14px;
}

.tabs-card{
  margin-top:18px;
  padding:18px;
}

.tabs{
  display:flex;
  gap:10px;
  padding:6px;
  border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  width:max-content;
  max-width:100%;
  overflow:auto;
}

.tab{
  background:transparent;
  color:var(--muted);
  padding:12px 18px;
  border-radius:999px;
  white-space:nowrap;
}

.tab.active{
  background:linear-gradient(180deg, rgba(255,212,0,.22), rgba(255,212,0,.12));
  color:var(--text);
  font-weight:700;
}

.tab-panel{
  display:none;
  padding-top:18px;
}

.tab-panel.active{
  display:block;
}

.summary-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:14px;
}

.insights-grid,
.costs-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
}

.panel-card{
  background:rgba(255,255,255,.03);
  border-radius:22px;
  padding:18px;
}

.panel-card.wide{
  grid-column:1 / -1;
}

.panel-head h3{
  margin:0 0 14px;
  font-size:18px;
}

.stats-list{
  display:flex;
  flex-direction:column;
  gap:14px;
}

.stats-list.compact{
  gap:10px;
}

.stat-row{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
}

.stat-row:last-child{
  padding-bottom:0;
  border-bottom:none;
}

.stat-row span{
  color:var(--muted);
}

.stat-row strong{
  font-size:16px;
  font-variant-numeric:tabular-nums;
}

.last-stint-empty{
  color:var(--muted);
}

.history-toolbar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  margin-bottom:14px;
}

.filters-panel{
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  border-radius:22px;
  padding:16px;
  margin-bottom:16px;
}

.filters-grid,
.quick-grid,
.advanced-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
}

label{
  display:flex;
  flex-direction:column;
  gap:8px;
}

label span{
  color:var(--muted);
  font-size:13px;
}

input,select{
  width:100%;
  background:rgba(255,255,255,.04);
  color:var(--text);
  border:1px solid var(--line-strong);
  border-radius:16px;
  padding:13px 14px;
  outline:none;
}

input:focus,
select:focus{
  border-color:rgba(255,212,0,.45);
}

.inline-checkbox{
  flex-direction:row;
  align-items:center;
  gap:10px;
}

.inline-checkbox input{
  width:18px;
  height:18px;
  margin:0;
  accent-color:var(--accent);
}

.inline-checkbox span{
  font-size:14px;
  color:var(--text);
}

.history-list{
  display:flex;
  flex-direction:column;
  gap:14px;
}

.stint-card{
  background:rgba(255,255,255,.03);
  border-radius:24px;
  padding:16px;
}

.stint-summary{
  display:flex;
  justify-content:space-between;
  gap:16px;
  align-items:center;
}

.stint-main{
  flex:1;
  min-width:0;
}

.stint-title{
  font-weight:700;
  font-size:1rem;
  line-height:1.2;
}

.stint-sub{
  margin-top:6px;
  opacity:.9;
}

.stint-meta{
  font-size:0.8rem;
  color:rgba(255, 255, 255, 0.45);
  letter-spacing:0.2px;
}

.stint-details{
  margin-top:14px;
  padding:14px;
  border-radius:16px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.06);
}

.trip-detail-row{
  padding:10px 0;
  border-bottom:1px solid rgba(255,255,255,.05);
}

.trip-detail-row:last-child{
  border-bottom:none;
}

.trip-detail-line1{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:6px;
}

.trip-detail-line1-left{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
}

.trip-detail-date{
  font-weight:700;
  font-size:.9rem;
}

.trip-detail-soc{
  font-size:.82rem;
  color:var(--muted);
}

.trip-detail-actions{
  display:flex;
  align-items:center;
  gap:8px;
}

.trip-delete-btn,
.trip-edit-btn{
  min-width:42px;
  padding:8px 10px;
  line-height:1;
}

.trip-detail-line2{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}

.trip-detail-line2 span{
  font-size:.82rem;
  color:var(--muted);
  display:flex;
  align-items:baseline;
  gap:3px;
}

.trip-detail-line2 small{
  font-size:.72rem;
  opacity:.7;
}

.trip-detail-line2 span + span{
  padding-left:8px;
  border-left:1px solid rgba(255,255,255,.1);
}

.trip-detail-notes{
  margin-top:5px;
  font-size:.8rem;
  color:var(--muted);
  font-style:italic;
}

.type-chip{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:88px;
  padding:8px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
}

.type-city{
  background:rgba(34,197,94,.14);
  color:#8ef0b4;
}

.type-mixed{
  background:rgba(255,212,0,.14);
  color:#ffe773;
}

.type-highway{
  background:rgba(59,130,246,.14);
  color:#91bdff;
}

.type-ghost{
  background:rgba(139, 92, 246, 0.18);
  color:#c4b5fd;
  border:1px solid rgba(139, 92, 246, 0.35);
}

.costs-split-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
  align-items:stretch;
}

.cost-box{
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  border-radius:18px;
  padding:14px;
  height:100%;
}

.cost-box h4{
  margin:0 0 12px;
  font-size:15px;
}

.cost-box .stat-row{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  align-items:center;
  gap:12px;
}

.cost-box .stat-row span{
  line-height:1.25;
}

.cost-box .stat-row strong{
  text-align:right;
  white-space:nowrap;
}

.monthly-cost-row{
  padding-left:0;
  border-left:none;
}

.hint{
  min-height:24px;
  margin:14px 4px 0;
  color:var(--muted);
  font-size:13px;
}

.modal{
  position:fixed;
  inset:0;
  z-index:60;
}

.modal-backdrop{
  position:absolute;
  inset:0;
  background:rgba(2,6,12,.62);
  backdrop-filter:blur(8px);
}

.modal-sheet{
  position:relative;
  width:min(760px, calc(100% - 20px));
  max-height:calc(100dvh - 20px);
  overflow:auto;
  margin:10px auto;
  background:linear-gradient(180deg, rgba(18,27,45,.98), rgba(12,20,35,.98));
  border-radius:28px;
  padding:20px;
}

.modal-header,
.modal-footer{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
}

.modal-header h2{
  margin:8px 0 0;
  font-size:24px;
}

.modal-body{
  padding-top:14px;
}

.icon-btn{
  width:42px;
  height:42px;
  border-radius:14px;
  background:rgba(255,255,255,.05);
  color:var(--text);
  border:1px solid var(--line);
}

.toggle-advanced{
  margin-top:16px;
  width:100%;
  background:rgba(255,255,255,.04);
  color:var(--text);
  border:1px solid var(--line);
  border-radius:16px;
  padding:12px 14px;
}

.advanced-fields{
  margin-top:14px;
}

.notes-field.wide,
.advanced-grid .wide{
  grid-column:1 / -1;
}

.computed-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:12px;
  margin-top:18px;
}

.computed-card{
  background:rgba(255,255,255,.04);
  border-radius:20px;
  padding:16px;
}

.computed-card span{
  display:block;
  color:var(--muted);
  font-size:12px;
  margin-bottom:8px;
}

.computed-card strong{
  font-size:22px;
}

.computed-card.featured{
  background:linear-gradient(180deg, rgba(255,212,0,.18), rgba(255,212,0,.08));
}

.modal-footer{
  padding-top:18px;
}

.modal-footer .primary{
  width:100%;
  padding:16px;
  border-radius:18px;
}

.footer{
  padding:0 16px 28px;
  color:var(--muted);
  text-align:center;
  font-size:12px;
}

.current-stint-badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  margin-right:12px;
  padding:3px 8px;
  border-radius:999px;
  font-size:0.72rem;
  font-weight:700;
  letter-spacing:0.2px;
  color:#111827;
  background:#ffd400;
}

.year-summary-block{
  display:flex;
  flex-direction:column;
  gap:8px;
}

.year-summary-toggle{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.03);
  color:inherit;
  cursor:pointer;
  text-align:left;
}

.year-summary-toggle span{
  color:var(--text);
  font-weight:600;
}

.year-summary-toggle strong{
  color:var(--muted);
  font-size:0.95rem;
}

.year-summary-toggle.open{
  border-color:rgba(255,212,0,.22);
  background:rgba(255,212,0,.06);
}

.year-month-details{
  display:flex;
  flex-direction:column;
  gap:8px;
  padding-left:10px;
}

.monthly-detail-row{
  border-left:2px solid rgba(255,255,255,.08);
  padding-left:10px;
}

/* Costes: alinear los 2 cuadros superiores */
#tab-costs .costs-grid > .panel-card:nth-child(1),
#tab-costs .costs-grid > .panel-card:nth-child(2){
  height:100%;
  min-height:308px;
}

#tab-costs .costs-grid{
  align-items:stretch;
}

#tab-costs .costs-grid > .panel-card:nth-child(2){
  display:flex;
  flex-direction:column;
}

#tab-costs .costs-grid > .panel-card:nth-child(2) .costs-split-grid{
  flex:1;
}

/* Insights: más aire general */
#tab-insights .panel-card{
  padding:20px 18px;
}

#tab-insights .stats-list{
  gap:16px;
}

#tab-insights .stat-row{
  align-items:start;
  padding-bottom:14px;
}

/* Insights: consumo por mes más limpio */
#monthlyInsights .monthly-detail-row{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  align-items:start;
  gap:14px;
  padding-left:0;
  border-left:none;
}

#monthlyInsights .monthly-detail-row > span{
  line-height:1.35;
}

#monthlyInsights .monthly-detail-row strong{
  text-align:right;
  line-height:1.35;
  white-space:normal;
  max-width:190px;
  font-weight:400;
}

#monthlyInsights .monthly-detail-row .metric-value{
  font-weight:700;
  color:var(--text);
}

#monthlyInsights .monthly-detail-row .metric-unit{
  font-weight:400;
  color:var(--muted);
}

@media (min-width: 900px){
  .insights-grid{
    grid-template-columns:repeat(3, 1fr);
    align-items:start;
  }

  .costs-grid{
    grid-template-columns:1fr 1fr;
    align-items:start;
  }
}

@media (max-width: 860px){
  .hero-card{
    min-height:auto;
    padding:18px 18px 14px;
  }

  .hero-top{
    flex-direction:column;
    gap:12px;
    margin-bottom:16px;
  }

  .hero-top > div:first-child{
    justify-content:flex-start;
  }

  .hero-car{
    width:190px;
    align-self:flex-end;
  }

  .eyebrow{
    font-size:18px;
    text-align:left;
  }

  .hero-metrics,
  .computed-grid{
    grid-template-columns:repeat(2,1fr);
  }

  .metric-card{
    min-height:88px;
    padding:14px 12px;
  }

  .metric-card span{
    font-size:0.8rem;
    margin-bottom:4px;
  }

  .metric-card strong{
    font-size:1.9rem;
  }

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

  .panel-card.wide{
    grid-column:auto;
  }
}

@media (max-width: 768px){
  .hero-metrics{
    grid-template-columns:repeat(2, minmax(0, 1fr));
  }

  .costs-split-grid{
    grid-template-columns:1fr;
  }
}

@media (max-width: 700px){
  .stint-summary{
    flex-direction:column;
    align-items:flex-start;
  }

  .trip-detail-row{
    grid-template-columns:1fr;
    gap:4px;
  }
}

@media (max-width: 640px){
  .container{
    padding:8px 8px 20px;
  }

  .hero-card,
  .tabs-card,
  .modal-sheet{
    padding:12px;
  }

  .hero-card{
    border-radius:20px;
  }

  .tabs-card{
    margin-top:8px;
    border-radius:20px;
  }

  .hero-top{
    gap:8px;
  }

  .eyebrow{
    font-size:13px;
  }

  .hero-metrics{
    grid-template-columns:repeat(2,1fr);
    gap:8px;
  }

  .metric-card{
    padding:10px;
    min-height:76px;
    border-radius:16px;
  }

  .metric-card span{
    font-size:0.72rem;
  }

  .metric-card strong{
    font-size:20px;
  }

  .hero-actions{
    margin-top:10px;
  }

  .cta{
    padding:13px 16px;
    font-size:15px;
  }

  .filters-grid,
  .quick-grid,
  .advanced-grid,
  .computed-grid{
    grid-template-columns:1fr;
  }

  .history-toolbar,
  .stint-summary{
    flex-direction:column;
    align-items:stretch;
  }

  .stint-title{
    font-size:20px;
  }

  .tabs{
    width:100%;
  }

  .tab{
    flex:1;
    padding:10px 6px;
    font-size:13px;
  }
}