/* informes-vehiculos-kit · sistema de diseño base (home, layout, componentes). Sin dependencias. */
:root{
  --brand:#1d4ed8;--brand-600:#1e40af;--brand-50:#eff6ff;--brand-contrast:#fff;
  --bg:#f5f6f8;--surface:#fff;--surface-2:#f1f3f6;--text:#0f172a;--muted:#4b5563;--border:#e3e7ed;--border-strong:#c5ccd6;
  --ok:#15803d;--ok-bg:#ecfdf3;--ok-border:#bbf0cf;
  --warn:#a16207;--warn-bg:#fffbeb;--warn-border:#fde68a;
  --danger:#b91c1c;--danger-bg:#fef2f2;--danger-border:#fecaca;
  --neutral:#4b5563;--neutral-bg:#f1f3f6;--neutral-border:#e3e7ed;
  --info:#1e40af;--info-bg:#eff6ff;--info-border:#c7d7fe;
  --link:var(--brand-600);--brand-soft:var(--brand-50);--focus:var(--brand-600);
  --plate-bg:#fff;--plate-ink:#111827;--plate-border:#111827;
  --shadow-1:0 1px 2px rgba(15,23,42,.06),0 1px 3px rgba(15,23,42,.06);
  --shadow-2:0 10px 30px -8px rgba(15,23,42,.18),0 2px 6px rgba(15,23,42,.06);
  --r-sm:12px;--r:14px;--r-lg:16px;
  --fs-14:.875rem;--fs-16:1rem;--fs-18:1.125rem;--fs-22:1.375rem;--fs-28:1.75rem;--fs-36:2.25rem;
  --font:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --ease:cubic-bezier(.2,.7,.2,1);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0b1020;--surface:#121a2b;--surface-2:#1a2336;--text:#e7ebf2;--muted:#a3adbd;--border:#253049;--border-strong:#34415c;
  --ok:#4ade80;--ok-bg:rgba(34,197,94,.12);--ok-border:rgba(74,222,128,.3);
  --warn:#fbbf24;--warn-bg:rgba(245,158,11,.12);--warn-border:rgba(251,191,36,.3);
  --danger:#f87171;--danger-bg:rgba(239,68,68,.13);--danger-border:rgba(248,113,113,.35);
  --neutral:#a3adbd;--neutral-bg:#1a2336;--neutral-border:#2b3650;
  --info:#93b4ff;--info-bg:rgba(59,130,246,.13);--info-border:rgba(147,180,255,.3);
  --link:#9db8ff;--link:color-mix(in srgb,var(--brand) 45%,#fff);--brand-soft:rgba(59,130,246,.14);--brand-soft:color-mix(in srgb,var(--brand) 18%,transparent);
  --focus:#9db8ff;--plate-bg:#f8fafc;--plate-ink:#0f172a;--plate-border:#cbd5e1;
  --shadow-1:0 1px 2px rgba(0,0,0,.4);--shadow-2:0 12px 32px -8px rgba(0,0,0,.6);
  color-scheme:dark;
}}
:root[data-theme="dark"]{
  --bg:#0b1020;--surface:#121a2b;--surface-2:#1a2336;--text:#e7ebf2;--muted:#a3adbd;--border:#253049;--border-strong:#34415c;
  --ok:#4ade80;--ok-bg:rgba(34,197,94,.12);--ok-border:rgba(74,222,128,.3);
  --warn:#fbbf24;--warn-bg:rgba(245,158,11,.12);--warn-border:rgba(251,191,36,.3);
  --danger:#f87171;--danger-bg:rgba(239,68,68,.13);--danger-border:rgba(248,113,113,.35);
  --neutral:#a3adbd;--neutral-bg:#1a2336;--neutral-border:#2b3650;
  --info:#93b4ff;--info-bg:rgba(59,130,246,.13);--info-border:rgba(147,180,255,.3);
  --link:#9db8ff;--link:color-mix(in srgb,var(--brand) 45%,#fff);--brand-soft:rgba(59,130,246,.14);--brand-soft:color-mix(in srgb,var(--brand) 18%,transparent);
  --focus:#9db8ff;--plate-bg:#f8fafc;--plate-ink:#0f172a;--plate-border:#cbd5e1;
  --shadow-1:0 1px 2px rgba(0,0,0,.4);--shadow-2:0 12px 32px -8px rgba(0,0,0,.6);
  color-scheme:dark;
}

/* Base */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;min-height:100vh;display:flex;flex-direction:column;background:var(--bg);color:var(--text);font:400 var(--fs-16)/1.5 var(--font);font-variant-numeric:tabular-nums;-webkit-font-smoothing:antialiased}
h1,h2,h3,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0;list-style:none}
img,svg{display:block;max-width:100%}
a{color:var(--link);text-underline-offset:2px}
button,input{font:inherit;color:inherit}
[hidden]{display:none!important}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.print-only{display:none}
.icon{width:20px;height:20px;flex:none;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.muted{color:var(--muted)}
.small{font-size:var(--fs-14)}
.mono{font-family:var(--mono)}
.container{width:100%;max-width:1040px;margin-inline:auto;padding-inline:16px}
@media (min-width:640px){.container{padding-inline:24px}}
.skip-link{position:absolute;left:12px;top:-60px;z-index:100;background:var(--surface);color:var(--text);padding:10px 16px;border-radius:var(--r-sm);box-shadow:var(--shadow-2)}
.skip-link:focus{top:12px}
.site-content{flex:1 0 auto;outline:none}

/* Cabecera y pie */
.demo-banner{display:flex;gap:8px;align-items:center;justify-content:center;padding:8px 16px;background:var(--warn-bg);color:var(--warn);border-bottom:1px solid var(--warn-border);font-size:var(--fs-14);font-weight:600;text-align:center}
.demo-banner .icon{width:18px;height:18px}
.site-header{background:var(--surface);border-bottom:1px solid var(--border)}
.site-header-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:64px}
.brand{display:flex;align-items:center;gap:12px;min-height:44px;color:var(--text);text-decoration:none;font-weight:700;font-size:var(--fs-18);min-width:0}
.brand-logo{width:36px;height:36px;border-radius:10px;object-fit:contain}
.brand-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;flex:none;border:1px solid var(--border);border-radius:var(--r-sm);background:var(--surface);color:var(--text);cursor:pointer;text-decoration:none;transition:background .15s,border-color .15s}
.icon-btn:hover{background:var(--surface-2);border-color:var(--border-strong)}
.theme-toggle .i-sun{display:none}
:root[data-theme="dark"] .theme-toggle .i-sun{display:block}
:root[data-theme="dark"] .theme-toggle .i-moon{display:none}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .theme-toggle .i-sun{display:block}:root:not([data-theme="light"]) .theme-toggle .i-moon{display:none}}
.site-footer{margin-top:48px;border-top:1px solid var(--border);background:var(--surface);font-size:var(--fs-14);color:var(--muted)}
.footer-inner{display:grid;gap:16px;padding-block:28px}
.footer-name{font-weight:700;color:var(--text)}
.footer-nav{display:flex;flex-wrap:wrap;gap:4px 20px}
.footer-nav a{display:inline-flex;align-items:center;min-height:44px}
.footer-disclaimer{max-width:72ch;line-height:1.55}
@media (min-width:768px){.footer-inner{grid-template-columns:1fr auto}.footer-disclaimer{grid-column:1/-1}}

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 18px;border:1px solid transparent;border-radius:var(--r-sm);font-weight:600;font-size:var(--fs-16);line-height:1.2;text-decoration:none;cursor:pointer;transition:background .15s,border-color .15s,box-shadow .15s,transform .1s;-webkit-tap-highlight-color:transparent}
.btn:active:not(:disabled){transform:translateY(1px)}
.btn-primary{background:var(--brand);color:var(--brand-contrast);box-shadow:var(--shadow-1)}
.btn-primary:hover:not(:disabled){background:var(--brand-600);color:var(--brand-on-600)}
.btn-secondary{background:var(--surface);color:var(--text);border-color:var(--border-strong)}
.btn-secondary:hover:not(:disabled){background:var(--surface-2)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--border)}
.btn-ghost:hover:not(:disabled){background:var(--surface-2)}
.btn-sm{min-height:44px;padding:8px 12px;font-size:var(--fs-14)}
.btn-lg{min-height:56px;padding:14px 24px;font-size:var(--fs-18);border-radius:var(--r)}
.btn-block{width:100%}
.btn:disabled{cursor:not-allowed;background:var(--surface-2);color:var(--muted);border-color:var(--border-strong);box-shadow:none;opacity:1}
.spinner{display:none;width:20px;height:20px;border-radius:50%;border:2.5px solid currentColor;border-right-color:transparent;animation:spin .8s linear infinite}
.is-busy .spinner{display:inline-block}
.is-busy:disabled{cursor:progress}
.btn-primary.is-busy:disabled{background:var(--brand);color:var(--brand-contrast);border-color:transparent;opacity:.85}
@keyframes spin{to{transform:rotate(360deg)}}

/* Hero + formulario de patente */
.hero{padding:36px 0 8px;background:radial-gradient(1200px 380px at 50% -120px,var(--brand-soft),transparent 70%)}
.hero-inner{display:flex;flex-direction:column;align-items:center;text-align:center}
.hero-title{font-size:var(--fs-28);line-height:1.15;letter-spacing:-.02em;font-weight:800;max-width:20ch}
.hero-lead{margin-top:12px;max-width:52ch;color:var(--muted);font-size:var(--fs-16)}
@media (min-width:768px){.hero{padding-top:56px}.hero-title{font-size:var(--fs-36)}.hero-lead{font-size:var(--fs-18)}}
.search-card{width:100%;max-width:520px;margin-top:28px;padding:24px 20px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow-2);text-align:left}
@media (min-width:640px){.search-card{padding:28px}}
.plate-form{display:grid;gap:8px}
.plate-label{font-weight:700;font-size:var(--fs-16)}
.plate-field{position:relative;margin-top:4px}
.plate-field::before,.plate-field::after{content:"";position:absolute;top:50%;width:8px;height:8px;margin-top:-4px;border-radius:50%;background:var(--border-strong);pointer-events:none}
.plate-field::before{left:14px}
.plate-field::after{right:14px}
.plate-input{display:block;width:100%;height:76px;padding:0 32px;border:3px solid var(--plate-border);border-radius:var(--r);background:var(--plate-bg);color:var(--plate-ink);font:800 2.5rem/1 var(--mono);letter-spacing:.14em;text-align:center;text-transform:uppercase;box-shadow:inset 0 0 0 3px var(--plate-bg),inset 0 0 0 4px rgba(17,24,39,.18);transition:border-color .15s,box-shadow .15s}
.plate-input::placeholder{color:#9aa3b2;opacity:1;letter-spacing:.14em}
.plate-input:focus{outline:none;border-color:var(--brand);box-shadow:inset 0 0 0 3px var(--plate-bg),inset 0 0 0 4px rgba(17,24,39,.18),0 0 0 4px var(--brand-soft)}
.plate-input:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
.plate-input[aria-invalid="true"]{border-color:var(--danger)}
@media (max-width:380px){.plate-input{font-size:2rem;letter-spacing:.1em}}
.hint{font-size:var(--fs-14);color:var(--muted)}
.field-error{font-size:var(--fs-14);font-weight:600;color:var(--danger);display:flex;gap:8px;align-items:flex-start}
.field-error:empty{display:none}
.field-error .btn{margin-top:8px}
.plate-form .btn-block{margin-top:8px}
.quota-note{font-size:var(--fs-14);color:var(--warn);background:var(--warn-bg);border:1px solid var(--warn-border);border-radius:var(--r-sm);padding:10px 12px}
.hp{position:absolute!important;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden}
.cf-turnstile{min-height:65px}

/* Medidor de cupo */
.quota{margin-top:20px;padding-top:16px;border-top:1px dashed var(--border)}
.quota-row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:4px 12px;font-size:var(--fs-14)}
.quota-text{font-weight:700}
.quota-queue{color:var(--muted)}
.quota-bar{-webkit-appearance:none;appearance:none;display:block;width:100%;height:10px;margin-top:8px;border:0;border-radius:99px;background:var(--surface-2);overflow:hidden;color:var(--ok)}
.quota-bar::-webkit-progress-bar{background:var(--surface-2);border-radius:99px}
.quota-bar::-webkit-progress-value{background:var(--ok);border-radius:99px}
.quota-bar::-moz-progress-bar{background:var(--ok);border-radius:99px}
.quota[data-state="low"] .quota-bar{color:var(--warn)}
.quota[data-state="low"] .quota-bar::-webkit-progress-value{background:var(--warn)}
.quota[data-state="low"] .quota-bar::-moz-progress-bar{background:var(--warn)}
.quota[data-state="low"] .quota-text{color:var(--warn)}
.quota[data-state="exhausted"] .quota-text{color:var(--danger)}

/* Qué incluye */
.section-title{font-size:var(--fs-22);font-weight:800;letter-spacing:-.01em}
.features{margin-top:40px}
.feature-grid{display:grid;gap:12px;margin-top:16px}
@media (min-width:560px){.feature-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:900px){.feature-grid{grid-template-columns:repeat(4,1fr)}}
.feature{display:flex;gap:14px;padding:18px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--shadow-1)}
@media (min-width:900px){.feature{flex-direction:column}}
.feature-icon{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;flex:none;border-radius:12px;background:var(--brand-soft);color:var(--link)}
.feature-title{font-size:var(--fs-16);font-weight:700}
.feature-text{margin-top:4px;font-size:var(--fs-14);color:var(--muted)}
.timing-note{display:flex;gap:10px;align-items:flex-start;margin-top:16px;padding:12px 16px;border-radius:var(--r-sm);background:var(--info-bg);border:1px solid var(--info-border);color:var(--text);font-size:var(--fs-14)}
.timing-note .icon{color:var(--info);margin-top:1px}

/* Recientes */
.recent{margin-top:40px}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.recent .muted{margin-top:4px}
.recent-list{display:grid;gap:8px;margin-top:16px}
@media (min-width:768px){.recent-list{grid-template-columns:repeat(2,1fr)}}
.recent-item{display:flex;align-items:center;gap:12px;min-height:64px;padding:10px 14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--shadow-1)}
a.recent-item{color:var(--text);text-decoration:none;transition:border-color .15s,transform .15s}
a.recent-item:hover{border-color:var(--border-strong);transform:translateY(-1px)}
.recent-info{display:grid;min-width:0;flex:1}
.recent-title{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.recent-date{font-size:var(--fs-14);color:var(--muted)}
.recent-item .btn{flex:none}

/* Placa genérica (sin escudos ni marcas oficiales) */
.plate{display:inline-flex;align-items:center;justify-content:center;padding:4px 12px;border:2px solid var(--plate-border);border-radius:8px;background:var(--plate-bg);color:var(--plate-ink);font:800 var(--fs-18)/1.2 var(--mono);letter-spacing:.12em;white-space:nowrap}
.plate--sm{font-size:var(--fs-16);padding:4px 10px}
.recent-item .plate{min-width:96px}

/* Tarjeta genérica, insignias, páginas simples */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow-1);padding:20px}
.badge{display:inline-flex;align-items:center;min-height:24px;padding:2px 10px;border-radius:99px;font-size:var(--fs-14);font-weight:600;border:1px solid;white-space:nowrap}
.badge--success{color:var(--ok);background:var(--ok-bg);border-color:var(--ok-border)}
.badge--warning{color:var(--warn);background:var(--warn-bg);border-color:var(--warn-border)}
.badge--danger{color:var(--danger);background:var(--danger-bg);border-color:var(--danger-border)}
.badge--neutral{color:var(--neutral);background:var(--neutral-bg);border-color:var(--neutral-border)}
.badge--info{color:var(--info);background:var(--info-bg);border-color:var(--info-border)}
.page-narrow{max-width:760px;padding-block:32px}
.prose h1{font-size:var(--fs-28);line-height:1.2;font-weight:800}
.prose .lead{margin-top:12px;font-size:var(--fs-18);color:var(--muted)}
.prose-card{margin-top:16px}
.prose-card h2{display:flex;gap:10px;align-items:center;font-size:var(--fs-18);margin-bottom:8px}
.prose-card h2 .icon{color:var(--link)}
.prose-card p+p{margin-top:8px}
.prose-card ul{list-style:disc;padding-left:20px;display:grid;gap:6px}
.prose>p:last-child{margin-top:24px}
.error-card{text-align:center;padding:40px 24px;margin-top:24px}
.error-icon{display:inline-flex;align-items:center;justify-content:center;width:64px;height:64px;border-radius:50%;background:var(--brand-soft);color:var(--link)}
.error-icon .icon{width:30px;height:30px}
.error-code{margin-top:16px;font-size:var(--fs-14);font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.error-title{margin-top:4px;font-size:var(--fs-28);line-height:1.2}
.error-message{margin:12px auto 0;max-width:48ch;color:var(--muted)}
.error-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:24px}

/* Toasts */
.toasts{position:fixed;left:50%;bottom:16px;z-index:60;display:grid;gap:8px;width:min(92vw,420px);transform:translateX(-50%);pointer-events:none}
.toast{padding:12px 16px;border-radius:var(--r-sm);background:#111827;color:#f9fafb;box-shadow:var(--shadow-2);font-size:var(--fs-14);font-weight:600;pointer-events:auto;animation:toast-in .25s var(--ease)}
.toast--error{background:#991b1b}
@keyframes toast-in{from{opacity:0;transform:translateY(8px)}}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .spinner{animation:spin 1.6s linear infinite!important}
}