/* ============================================================
   yavolamos · yv.css — Sistema de diseño premium compartido
   Editorial claro · concierge moderno · móvil primero
   Usado por: index/home, login, vuelos, mis-viajes, perfiles
   ============================================================ */

/* ---- Fuentes auto-hospedadas (cero llamadas externas) ---- */
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url(fonts/inter_1ab1ad55.woff2) format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url(fonts/inter_1ab1ad55.woff2) format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url(fonts/inter_1ab1ad55.woff2) format('woff2')}
@font-face{font-family:'Fraunces';font-style:italic;font-weight:600;font-display:swap;src:url(fonts/fraunces_de4b587b.woff2) format('woff2')}
@font-face{font-family:'Fraunces';font-style:normal;font-weight:600;font-display:swap;src:url(fonts/fraunces_63f1654d.woff2) format('woff2')}

:root{
  --bg:#f7f5f1; --surface:#fff; --surface-2:#faf9f6;
  --ink:#16130f; --ink-soft:#4a443c; --muted:#928b80; --faint:#bdb6a9;
  --line:#ebe7df; --line-2:#e0dbd0;
  --brand:#9a6b2f; --brand-lt:#c89248; --brand-soft:#f0e9dc;
  --ok:#3f7d52; --ok-soft:#e8f1ea; --danger:#b3402f; --warn:#9a6b2f;
  --radius:18px; --radius-sm:13px;
  --shadow:0 1px 2px rgba(22,19,15,.04),0 10px 30px rgba(22,19,15,.06);
  --shadow-lg:0 2px 6px rgba(22,19,15,.05),0 24px 60px rgba(22,19,15,.13);
  --shadow-sheet:0 -10px 50px rgba(22,19,15,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--ink);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;letter-spacing:-.01em}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit}
.serif{font-family:'Fraunces',Georgia,serif;font-optical-sizing:auto}

/* ---- App bar (pantallas internas) ---- */
.yv-bar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:12px;
  padding:calc(12px + env(safe-area-inset-top)) 18px 12px;background:rgba(247,245,241,.85);
  backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--line)}
.yv-bar .back{width:38px;height:38px;border-radius:50%;border:1px solid var(--line-2);background:var(--surface);
  display:flex;align-items:center;justify-content:center;color:var(--ink);flex:0 0 auto}
.yv-bar .back svg{width:18px;height:18px}
.yv-bar .ttl{flex:1;min-width:0}
.yv-bar .ttl b{display:block;font-size:17px;font-weight:600;letter-spacing:-.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.yv-bar .ttl span{display:block;font-size:12.5px;color:var(--muted);margin-top:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.yv-bar .av{width:36px;height:36px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;border:1px solid var(--line-2);flex:0 0 auto}

/* ---- Botones ---- */
.yv-btn{display:flex;align-items:center;justify-content:center;gap:9px;width:100%;
  background:var(--ink);color:#fff;border:none;border-radius:13px;padding:16px;font-size:15.5px;font-weight:600;
  letter-spacing:-.01em;transition:.18s}
.yv-btn:active{transform:scale(.985);background:#000}
.yv-btn:disabled{opacity:.4;pointer-events:none}
.yv-btn svg{width:17px;height:17px}
.yv-btn.ghost{background:var(--surface);color:var(--ink);border:1px solid var(--line-2)}
.yv-btn.ghost:active{background:var(--surface-2)}

/* ---- Cards ---- */
.yv-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}

/* ---- Inputs ---- */
.yv-field{display:flex;align-items:center;gap:10px;border:1px solid var(--line-2);border-radius:13px;padding:14px 15px;background:var(--surface)}
.yv-field:focus-within{border-color:var(--ink)}
.yv-field svg{width:18px;height:18px;color:var(--faint);flex:0 0 auto}
.yv-field input{flex:1;border:none;outline:none;font-size:16px;color:var(--ink);background:none;min-width:0}
.yv-field input::placeholder{color:var(--faint)}

/* ---- Sheet / bottom drawer ---- */
.yv-sheetbd{position:fixed;inset:0;z-index:200;background:rgba(22,19,15,.34);backdrop-filter:blur(2px);opacity:0;pointer-events:none;transition:.25s}
.yv-sheetbd.on{opacity:1;pointer-events:auto}
.yv-sheet{position:fixed;left:0;right:0;bottom:0;z-index:201;background:var(--surface);border-radius:24px 24px 0 0;
  box-shadow:var(--shadow-sheet);transform:translateY(100%);transition:.32s var(--ease);
  max-height:92dvh;display:flex;flex-direction:column;padding-bottom:env(safe-area-inset-bottom)}
.yv-sheet.on{transform:none}
.yv-sheet .grip{width:38px;height:4px;border-radius:999px;background:var(--line-2);margin:11px auto 4px}
.yv-sheet .sh{display:flex;align-items:center;justify-content:space-between;padding:8px 22px 14px}
.yv-sheet .sh h3{font-size:21px;font-weight:600;letter-spacing:-.02em}
.yv-sheet .sx{width:33px;height:33px;border-radius:50%;border:none;background:var(--surface-2);color:var(--ink-soft);display:flex;align-items:center;justify-content:center}
.yv-sheet .sx svg{width:16px;height:16px}

/* ---- Lista de opciones (aeropuertos, etc) ---- */
.yv-opt{display:flex;align-items:center;gap:13px;padding:13px 22px;width:100%;border:none;background:none;text-align:left}
.yv-opt:active{background:var(--surface-2)}
.yv-opt .oc{flex:1;min-width:0}
.yv-opt .on1{font-size:15.5px;font-weight:600;color:var(--ink)}
.yv-opt .oa{font-size:13px;color:var(--muted);margin-top:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.yv-opt .ocode{font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--ink-soft);background:var(--surface-2);border:1px solid var(--line);padding:5px 9px;border-radius:7px}

/* ---- Chips / badges ---- */
.yv-badge{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;font-weight:600;padding:5px 10px;border-radius:999px}
.yv-badge.cheap{color:var(--ok);background:var(--ok-soft)}
.yv-badge.direct{color:var(--ink-soft);background:var(--surface-2);border:1px solid var(--line)}
.yv-badge.brand{color:var(--brand);background:var(--brand-soft)}

/* ---- Estados vacíos ---- */
.yv-empty{text-align:center;padding:60px 30px}
.yv-empty .ei{width:64px;height:64px;border-radius:50%;background:var(--surface-2);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;margin:0 auto 18px;color:var(--faint)}
.yv-empty .ei svg{width:28px;height:28px}
.yv-empty h3{font-size:19px;font-weight:600;letter-spacing:-.02em;margin-bottom:8px;font-family:'Fraunces',serif}
.yv-empty p{font-size:14.5px;color:var(--muted);line-height:1.5;max-width:30ch;margin:0 auto 22px}

/* ---- Loading (skeleton + spinner) ---- */
@keyframes yv-shimmer{0%{background-position:-200% 0}100%{background-position:200% 0}}
.yv-skel{background:linear-gradient(90deg,var(--surface-2) 25%,#f0eee9 50%,var(--surface-2) 75%);
  background-size:200% 100%;animation:yv-shimmer 1.4s infinite;border-radius:10px}
@keyframes yv-spin{to{transform:rotate(360deg)}}
.yv-spin{width:22px;height:22px;border:2.5px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:yv-spin .7s linear infinite}
.yv-spin.dark{border-color:var(--line-2);border-top-color:var(--ink)}

/* ---- Toast ---- */
.yv-toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom));transform:translateX(-50%) translateY(20px);
  z-index:400;background:var(--ink);color:#fff;font-size:14px;font-weight:500;padding:13px 20px;border-radius:13px;
  box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transition:.3s var(--ease);max-width:90vw;text-align:center}
.yv-toast.on{opacity:1;transform:translateX(-50%)}

@keyframes yv-rise{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.yv-rise{animation:yv-rise .4s var(--ease)}