:root{
  --bg:#07162f;
  --bg2:#0b2347;
  --card:#112a55;
  --card2:#10264b;
  --text:#eef4ff;
  --muted:#b8c7e6;
  --line:rgba(255,255,255,.12);
  --primary:#66a4ff;
  --primary2:#4d90ff;
  --success:#2ecc71;
  --warning:#f4b942;
  --danger:#f05b7a;
  --shadow:0 18px 40px rgba(0,0,0,.28);
  --radius:24px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 20% 0%, rgba(47,101,185,.28), transparent 60%),
    linear-gradient(180deg,#031024 0%, #061a38 45%, #031024 100%);
  min-height:100vh;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
.hidden{display:none !important}

.container{width:min(1180px, calc(100% - 32px)); margin:0 auto}
.section{padding:32px 0 48px}
.site-header{
  position:sticky; top:0; z-index:30;
  backdrop-filter: blur(10px);
  background:rgba(4,15,34,.82);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:84px}
.logo-wrap{display:flex;align-items:center;gap:14px;font-weight:800;font-size:1.35rem}
.logo-wrap img{width:56px;height:56px}
.nav nav{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.nav nav a,.nav nav button{
  color:var(--text);
  border:1px solid transparent;
  background:transparent;
  border-radius:999px;
  padding:12px 16px;
  line-height:1;
}
.nav nav a:hover,.nav nav button:hover{background:rgba(255,255,255,.08); border-color:var(--line)}
.nav nav a[data-auth="admin"], .nav nav button[data-logout]{border-color:var(--line)}
main{padding-bottom:40px}

.hero{
  display:grid;grid-template-columns:1.2fr .8fr;gap:26px;
  align-items:stretch;padding:42px 0 20px
}
.hero h1,.page-title{
  margin:10px 0 14px;
  font-size:clamp(2.3rem,4vw,4.5rem);
  line-height:1.02;
  letter-spacing:-.03em;
}
.lead{color:var(--muted);font-size:1.12rem;line-height:1.7;max-width:64ch}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid rgba(102,164,255,.35);
  color:#d6e6ff;
  background:rgba(79,132,220,.12);
  border-radius:999px;padding:10px 16px;
  font-weight:700;font-size:.95rem
}
.hero-card,.card{
  background:linear-gradient(180deg, rgba(27,53,104,.94), rgba(10,26,53,.96));
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.hero-card{padding:28px}
.row-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px}
.btn{
  border:none;border-radius:16px;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 18px;font-weight:800;min-height:52px;
  transition:.2s transform,.2s opacity,.2s background-color,.2s border-color;
}
.btn:hover{transform:translateY(-1px)}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}
.btn-primary{background:linear-gradient(135deg,var(--primary2),var(--primary));color:white}
.btn-secondary,.btn-ghost{background:rgba(255,255,255,.05);color:var(--text);border:1px solid var(--line)}
.btn-success{background:rgba(46,204,113,.16);color:#c9ffdf;border:1px solid rgba(46,204,113,.28)}
.btn-warning{background:rgba(244,185,66,.15);color:#ffe0a0;border:1px solid rgba(244,185,66,.28)}
.btn-danger{background:rgba(240,91,122,.16);color:#ffd4de;border:1px solid rgba(240,91,122,.28)}
.oauth-btn{background:#1877f2;color:#fff}

.cards,.grid-3,.admin-list{display:grid;gap:18px}
.cards,.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-2,.two-col,.auth-panels,.admin-layout{display:grid;gap:20px}
.grid-2,.two-col,.auth-panels,.admin-layout{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{padding:24px}
.section-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:18px}

.form-stack{display:grid;gap:16px}
label span{display:block;margin:0 0 8px;font-weight:700;color:#d6e6ff}
input,textarea,select{
  width:100%; border:1px solid rgba(255,255,255,.15);
  background:rgba(5,16,35,.7); color:var(--text);
  border-radius:16px; min-height:52px; padding:14px 16px; outline:none;
}
textarea{min-height:120px;resize:vertical}
input::placeholder, textarea::placeholder{color:#8fa7cf}
input:focus,textarea:focus,select:focus{border-color:rgba(102,164,255,.65); box-shadow:0 0 0 3px rgba(102,164,255,.13)}
.form-message{min-height:24px;color:#ffd4de}
.notice{
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--muted);
  border-radius:16px;padding:14px 16px
}
.notice.warn{background:rgba(244,185,66,.08); border-color:rgba(244,185,66,.22); color:#ffe7b0}

.trip-card{display:grid;grid-template-columns:1.35fr .8fr .44fr;gap:20px;align-items:start}
.trip-card h3{margin:8px 0 12px;font-size:2rem;line-height:1.05}
.trip-main p{margin:10px 0;color:var(--muted)}
.trip-meta,.trip-contact,.inline-pills,.trip-actions{
  display:flex;flex-wrap:wrap;gap:10px 14px
}
.trip-meta span,.trip-contact div{color:#dbe8ff}
.inline-pills{align-items:center}
.pill,.status{
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;padding:8px 12px;font-weight:800;font-size:.92rem;
  border:1px solid var(--line); background:rgba(255,255,255,.05)
}
.status.approved{background:rgba(46,204,113,.16);color:#caffdc;border-color:rgba(46,204,113,.28)}
.status.pending{background:rgba(244,185,66,.16);color:#ffe5ae;border-color:rgba(244,185,66,.28)}
.status.rejected{background:rgba(240,91,122,.16);color:#ffd5dd;border-color:rgba(240,91,122,.28)}
.status.info{background:rgba(102,164,255,.14);color:#dbe8ff;border-color:rgba(102,164,255,.26)}
.trip-actions{align-self:center;justify-content:flex-end}
.trip-actions .btn,.trip-actions a{min-width:120px}
.admin-item{display:grid;grid-template-columns:1.2fr .6fr .5fr;gap:18px}
.admin-list{margin-top:16px}
.empty-state{
  border:1px dashed rgba(255,255,255,.18);
  border-radius:20px;padding:28px;color:var(--muted);text-align:center
}

.seat-bar-wrap{margin-top:10px}
.seat-bar{
  height:10px;border-radius:999px;background:rgba(255,255,255,.08);
  overflow:hidden;border:1px solid rgba(255,255,255,.08);margin-bottom:8px
}
.seat-bar span{display:block;height:100%;background:linear-gradient(90deg,#7db5ff,#4d90ff)}
.seat-bar-wrap small{color:var(--muted)}
.stars{color:#ffd766;font-size:1.05rem;letter-spacing:1px}
.detail-extra{margin-top:18px}

.footer{padding:34px 0;border-top:1px solid var(--line);margin-top:28px;background:rgba(4,15,34,.4)}
.footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
.footer p,.footer a{color:var(--muted)}

#tripsMap,#tripMap{height:320px;border-radius:22px;border:1px solid var(--line);overflow:hidden;box-shadow:var(--shadow);margin-top:18px}
.modal-backdrop{
  position:fixed;inset:0;background:rgba(0,0,0,.62);display:grid;place-items:center;z-index:100
}
.modal{width:min(760px, calc(100% - 24px));max-height:min(92vh,900px);overflow:auto}

@media (max-width: 1040px){
  .hero,.trip-card,.admin-item,.admin-layout,.auth-panels,.two-col,.grid-2,.cards,.grid-3,.footer-grid{grid-template-columns:1fr}
  .trip-actions{justify-content:flex-start}
}
@media (max-width: 720px){
  .container{width:min(100% - 20px, 1180px)}
  .nav{align-items:flex-start;padding:14px 0}
  .nav,.nav nav{gap:8px}
  .nav nav a,.nav nav button{padding:10px 12px}
  .logo-wrap{font-size:1.15rem}
  .logo-wrap img{width:48px;height:48px}
  .card,.hero-card{padding:18px}
  .section{padding:22px 0 30px}
  .hero h1,.page-title{font-size:clamp(2rem,10vw,3rem)}
  .trip-card h3{font-size:1.7rem}
}


.nav-user{display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(102,164,255,.28);background:rgba(102,164,255,.10);color:#dce9ff;border-radius:999px;padding:12px 16px;line-height:1;font-weight:800;min-height:44px;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.auth-status{position:fixed;right:18px;top:94px;z-index:120;background:rgba(17,42,85,.98);border:1px solid rgba(102,164,255,.28);box-shadow:var(--shadow);color:#eef4ff;padding:12px 16px;border-radius:14px;max-width:min(340px, calc(100% - 36px))}
.nav nav button{cursor:pointer}