:root {
  --red: #d7262e;
  --red-d: #b51d24;
  --ink: #2b2f33;
  --muted: #6b7378;
  --line: #dfe3e6;
  --bg: #f4f5f6;
  --card: #fff;
  --green: #5fbf8f;
  --green-bg: #c9ebd8;
  --blue-bg: #cfe0fb;
  --blue-line: #6a9be8;
  --pink-bg: #ecd5db;
  --pink-line: #c08a96;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0, 0, 0, .06), 0 4px 16px rgba(0, 0, 0, .04);
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.5 Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--red); }
img { max-width: 100%; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 760px; }
h1, h2, h3 { line-height: 1.25; }
.page-h { margin: 28px 0 16px; font-size: 26px; }

/* Buttons & fields */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid var(--line); background: #fff; color: var(--ink);
  padding: 10px 18px; border-radius: 8px; font: inherit; font-weight: 600;
  cursor: pointer; text-decoration: none; white-space: nowrap;
}
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-primary { background: var(--red); border-color: var(--red); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--red-d); }
.btn-ghost { background: transparent; }
.btn-outline { background: #fff; border-color: #9aa3a8; font-weight: 500; }
.btn-danger { background: #fff; color: var(--red); border-color: var(--red); }
.btn-confirm { width: 100%; background: var(--green); border-color: var(--green); color: #fff; padding: 14px; letter-spacing: .02em; }
.btn-confirm:disabled { background: var(--green-bg); border-color: var(--green-bg); opacity: 1; }
.btn-sm { padding: 6px 10px; font-size: 13px; }
.fld { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); font-weight: 500; }
.fld input, .fld select, .fld textarea {
  font: inherit; font-size: 15px; color: var(--ink); padding: 10px 12px;
  border: 1px solid var(--line); border-radius: 8px; background: #fff; width: 100%;
}
.fld input:focus, .fld select:focus, .fld textarea:focus { outline: 2px solid rgba(215, 38, 46, .25); border-color: var(--red); }
.chk { display: flex; gap: 8px; align-items: flex-start; font-size: 13px; }
.chk input { margin-top: 3px; }
.card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; }
.fine { color: var(--muted); font-size: 12px; }
.sp-err { color: var(--red); background: #fdecec; border-radius: 8px; padding: 10px 12px; font-size: 14px; }

.test-strip { background: #f5c518; color: #3a2f00; text-align: center; font-size: 13px; font-weight: 700; padding: 4px 16px; letter-spacing: .03em; }

/* Top bar */
.topbar { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.topbar-in { display: flex; align-items: center; justify-content: space-between; min-height: 68px; }
.brand img { display: block; height: 52px; width: auto; }
.mainnav { display: flex; gap: 4px; }
.mainnav a { color: var(--ink); text-decoration: none; padding: 8px 12px; border-radius: 8px; font-weight: 500; }
.mainnav a:hover, .mainnav a.on { color: var(--red); background: #fdf0f0; }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0; }

/* Hero / search */
.hero { background: linear-gradient(135deg, #d7262e 0%, #a3151b 100%); color: #fff; padding: 48px 0 56px; }
.hero h1 { margin: 0 0 6px; font-size: 32px; }
.hero-sub { margin: 0 0 24px; opacity: .9; }
.hero-warn { background: rgba(255, 255, 255, .15); padding: 10px 14px; border-radius: 8px; }
.search {
  background: #fff; color: var(--ink); border-radius: 12px; padding: 16px;
  display: grid; grid-template-columns: 1fr auto 1fr 1fr auto; gap: 12px; align-items: end; box-shadow: 0 10px 30px rgba(0, 0, 0, .18);
}
.swap { border: 1px solid var(--line); background: #fff; border-radius: 50%; width: 40px; height: 40px; font-size: 18px; cursor: pointer; margin-bottom: 2px; color: var(--red); }
.fld-date { position: relative; }
.quick { display: flex; gap: 6px; margin-top: 4px; }
.quick button { border: 1px solid var(--line); background: #fafafa; border-radius: 6px; font: inherit; font-size: 12px; padding: 2px 8px; cursor: pointer; }
.btn-search { height: 46px; padding: 0 28px; font-size: 16px; }
.search-err { background: #fff; color: var(--red); padding: 8px 12px; border-radius: 8px; margin-top: 8px; }
.notice { background: #fff8e1; border: 1px solid #f3dd9a; border-radius: 10px; padding: 12px 16px; margin-top: 20px; }
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 28px; }
.feat { background: #fff; border-radius: 10px; padding: 16px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 4px; }
.feat span { color: var(--muted); font-size: 14px; }
.popular h2 { font-size: 20px; margin: 32px 0 12px; }
.pop-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; margin-bottom: 40px; }
.pop { display: flex; gap: 10px; align-items: center; background: #fff; border-radius: 10px; padding: 14px 16px; text-decoration: none; color: var(--ink); font-weight: 600; box-shadow: var(--shadow); }
.pop i { color: var(--red); font-style: normal; }
.pop:hover { outline: 2px solid var(--red); }

/* Results */
.results-head { background: #fff; border-bottom: 1px solid var(--line); padding: 16px 0; }
.rh-route { font-size: 22px; font-weight: 700; }
.rh-route i { color: var(--red); font-style: normal; }
.rh-days { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; gap: 8px; }
.results { padding-top: 20px; padding-bottom: 40px; }
.empty { background: #fff; border-radius: 10px; padding: 32px; text-align: center; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.empty span { color: var(--muted); }
.trip { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 14px; overflow: hidden; }
.trip-row { display: grid; grid-template-columns: 150px 1fr 1fr 1fr 160px; align-items: center; gap: 12px; padding: 18px 20px 4px; }
.trip-logo { height: 44px; width: auto; }
.trip-time { text-align: center; }
.trip-time b { font-size: 26px; display: inline-flex; align-items: center; gap: 8px; }
.trip-time small { display: block; color: var(--muted); }
.trip-type { font-size: 22px; font-weight: 600; text-align: center; color: #4a5155; display: flex; align-items: center; justify-content: center; gap: 8px; }
.trip-price { font-size: 28px; font-weight: 700; text-align: center; }
.trip-act { text-align: right; display: flex; flex-direction: column; align-items: stretch; gap: 4px; }
.trip-act small { color: var(--muted); text-align: center; font-size: 12px; }
.trip-act .btn { padding: 12px 18px; }
.trip-stops { text-align: center; padding: 4px 20px 16px; color: #4a5155; font-size: 17px; }
.trip-stops i { font-style: normal; margin: 0 8px; }
.trip-note { display: block; font-size: 13px; color: var(--red); }
.ico-clock { width: 22px; height: 22px; border: 2px solid currentColor; border-radius: 50%; position: relative; display: inline-block; }
.ico-clock::after { content: ""; position: absolute; left: 8px; top: 3px; width: 5px; height: 7px; border-left: 2px solid currentColor; border-bottom: 2px solid currentColor; }
.ico-seat, .seat-ico { width: 22px; height: 22px; border: 1.5px solid #aab2b6; border-radius: 4px; display: inline-block; position: relative; background: #fff; }
.ico-seat::after, .seat-ico::after { content: ""; position: absolute; right: -1px; top: -1px; bottom: -1px; width: 5px; border: 1.5px solid #aab2b6; border-radius: 3px; background: inherit; }
.seat-ico { width: 18px; height: 20px; vertical-align: -5px; margin-right: 6px; }
.seat-ico.taken-E { background: var(--blue-bg); border-color: var(--blue-line); }
.seat-ico.taken-K { background: var(--pink-bg); border-color: var(--pink-line); }
.seat-ico.sel { background: var(--green-bg); border-color: var(--green); }
.loading { padding: 24px; text-align: center; color: var(--muted); }

/* Seat panel */
.trip-panel { border-top: 1px solid var(--line); background: #f9fafa; }
.sp { display: grid; grid-template-columns: 1fr 320px; }
.sp-left { padding: 20px; min-width: 0; }
.sp-busrow { display: flex; align-items: center; gap: 16px; margin: 24px 0 16px; }
.sun, .sun-sm { width: 44px; height: 44px; border-radius: 50%; flex: none; position: relative;
  background: radial-gradient(circle, #fff 0 34%, #f5c518 35% 40%, transparent 41%),
    repeating-conic-gradient(from 0deg, #f5c518 0 6deg, transparent 6deg 45deg);
  -webkit-mask: radial-gradient(circle, #000 0 70%, transparent 71%); mask: radial-gradient(circle, #000 0 70%, transparent 71%); }
.sun-sm { width: 22px; height: 22px; display: inline-block; vertical-align: -6px; margin-right: 6px; }
.bus { overflow-x: auto; padding: 4px; }
.bus-grid {
  --seat: 46px;
  display: grid; grid-template-columns: 54px repeat(var(--cols), var(--seat)); grid-template-rows: repeat(5, var(--seat));
  gap: 6px 10px; padding: 18px 30px 18px 24px; position: relative; width: max-content;
  border: 1.5px solid #c9d0d4; border-radius: 60px 14px 14px 60px / 40px 14px 14px 40px; background: #f2f5f6;
}
.bus-grid::before { /* ön cam */
  content: ""; position: absolute; left: 10px; top: 14px; bottom: 14px; width: 14px;
  border: 1.5px solid #c9d0d4; border-right: 0; border-radius: 40px 0 0 40px;
}
.wheel { grid-row: 4 / 6; grid-column: 1; align-self: center; justify-self: center; width: 46px; height: 46px; border-radius: 50%;
  border: 4px solid #c3c9cc; background: radial-gradient(circle, #c3c9cc 0 5px, transparent 6px), linear-gradient(90deg, transparent 45%, #c3c9cc 45% 55%, transparent 55%) center / 100% 4px no-repeat; }
.seat {
  position: relative; border: 1.5px solid #c3c9cc; background: #fff; border-radius: 7px; font: inherit; font-size: 15px; color: #4a5155;
  padding: 0 8px 0 0; cursor: pointer; transition: transform .08s;
}
.seat::after { content: ""; position: absolute; right: -1.5px; top: -1.5px; bottom: -1.5px; width: 8px; border: 1.5px solid #c3c9cc; border-radius: 4px; background: inherit; }
.seat:hover:not(:disabled) { border-color: var(--green); transform: translateY(-1px); }
.seat.sel { background: var(--green-bg); border-color: var(--green); color: #1f6b45; font-weight: 700; }
.seat.sel::after { border-color: var(--green); }
.seat.taken-E { background: var(--blue-bg); border-color: var(--blue-line); cursor: default; }
.seat.taken-E::after { border-color: var(--blue-line); }
.seat.taken-K { background: var(--pink-bg); border-color: var(--pink-line); cursor: default; }
.seat.taken-K::after { border-color: var(--pink-line); }
.seat.taken-X { background: #e6e9eb; cursor: default; }
.sp-foot { display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 12px; }
.sun-note { font-weight: 600; color: #4a5155; font-size: 14px; }
.legend { display: grid; grid-template-columns: auto auto; gap: 8px 20px; font-size: 14px; color: #4a5155; }
.sp-right { border-left: 1px solid var(--line); padding: 20px; display: flex; flex-direction: column; gap: 12px; }
.sp-hint { font-weight: 600; margin: 0; flex: 1; }
.sp-pax { display: flex; flex-direction: column; gap: 12px; }
.pax { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 10px; display: flex; flex-direction: column; gap: 8px; }
.pax-h { display: flex; align-items: center; font-size: 14px; }
.pax-h b { margin: 0 4px; }
.pax-x { margin-left: auto; border: 0; background: none; color: var(--muted); cursor: pointer; font-size: 14px; }
.sp-contact { display: flex; flex-direction: column; gap: 10px; }
.sp-total { display: flex; justify-content: space-between; align-items: baseline; font-size: 15px; border-top: 1px dashed var(--line); padding-top: 10px; }
.sp-total b { font-size: 22px; }
.sp-pay { color: var(--muted); font-size: 13px; margin: 0; }

/* Modal */
.modal { border: 0; border-radius: 12px; padding: 0; width: min(560px, calc(100% - 32px)); box-shadow: 0 20px 60px rgba(0, 0, 0, .3); }
.modal::backdrop { background: rgba(30, 30, 30, .45); }
.modal-head { display: flex; justify-content: center; position: relative; border-bottom: 1px solid var(--line); padding: 18px; }
.modal-head h3 { margin: 0; font-weight: 500; color: #4a5155; }
.modal-x { position: absolute; right: 12px; top: 10px; border: 0; background: none; color: var(--red); font-size: 24px; cursor: pointer; }
.modal-body { padding: 18px 24px 24px; color: #4a5155; }
.route { width: 100%; border-collapse: collapse; margin-top: 8px; }
.route td { padding: 8px 10px; }
.route td:first-child { width: 80px; }
.route tr:nth-child(even) { background: #f6f7f8; }
.route tr.on { font-weight: 700; color: var(--ink); }
.gender-pick { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; text-align: center; }
.gender-pick p { grid-column: 1 / -1; margin: 0; }
.g-btn { padding: 16px; font-size: 16px; }
.g-K { background: var(--pink-bg); border-color: var(--pink-line); }
.g-E { background: var(--blue-bg); border-color: var(--blue-line); }
.g-warn { color: var(--red); font-size: 13px; }
.ok-body { text-align: center; }
.pnr { font-size: 34px; font-weight: 800; letter-spacing: .12em; color: var(--red); }

/* Ticket */
.pnr-form { display: grid; grid-template-columns: 1fr 1fr auto; gap: 12px; align-items: end; }
.pnr-form .sp-err { grid-column: 1 / -1; }
.ticket { margin: 16px 0 40px; display: flex; flex-direction: column; gap: 10px; }
.ticket-h { display: flex; justify-content: space-between; align-items: center; }
.ticket-h small { display: block; color: var(--muted); text-align: right; }
.ticket-h .pnr { font-size: 26px; }
.ticket-route { font-size: 20px; }
.ticket-route i { color: var(--red); font-style: normal; }
.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th, .tbl td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); }
.tbl th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }
.tbl tr.muted td { color: #9aa3a8; text-decoration: line-through; }
.prose { white-space: normal; margin-bottom: 40px; }

/* Footer */
.footer { background: #23272a; color: #c9cfd2; margin-top: 40px; }
.footer-in { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 24px; padding-top: 32px; padding-bottom: 24px; }
.footer h4 { color: #fff; margin: 0 0 10px; }
.footer a { display: block; color: #c9cfd2; text-decoration: none; padding: 3px 0; }
.footer a:hover { color: #fff; }
.footer-logo { background: #fff; border-radius: 8px; padding: 4px 8px; height: 48px; width: auto; }
.footer-bottom { border-top: 1px solid #3a3f42; padding-top: 14px; padding-bottom: 20px; font-size: 13px; }

/* Responsive */
@media (max-width: 960px) {
  .search { grid-template-columns: 1fr auto 1fr; }
  .fld-date, .btn-search { grid-column: span 3; }
  .features { grid-template-columns: 1fr 1fr; }
  .sp { grid-template-columns: 1fr; }
  .sp-right { border-left: 0; border-top: 1px solid var(--line); }
  .trip-row { grid-template-columns: 1fr 1fr 1fr; }
  .trip-logo { display: none; }
  .trip-act { grid-column: 1 / -1; }
}
@media (max-width: 680px) {
  .mainnav { display: none; position: absolute; top: 68px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 8px 16px 16px; border-bottom: 1px solid var(--line); }
  .nav-open .mainnav { display: flex; }
  .nav-toggle { display: block; }
  .brand img { height: 44px; }
  .hero { padding: 28px 0 32px; }
  .hero h1 { font-size: 24px; }
  .search { grid-template-columns: 1fr; }
  .swap { justify-self: center; transform: rotate(90deg); margin: -6px 0; }
  .fld-date, .btn-search { grid-column: auto; }
  .features { grid-template-columns: 1fr; }
  .footer-in { grid-template-columns: 1fr; }
  .trip-row { grid-template-columns: 1fr 1fr; padding: 14px 14px 4px; }
  .trip-type { display: none; }
  .trip-time b { font-size: 22px; }
  .trip-price { font-size: 22px; }
  .trip-stops { font-size: 14px; }
  .bus-grid { --seat: 38px; gap: 5px 6px; padding: 14px 18px 14px 18px; grid-template-columns: 40px repeat(var(--cols), var(--seat)); }
  .wheel { width: 36px; height: 36px; }
  .seat { font-size: 13px; padding-right: 6px; }
  /* Dikey otobüs: ön yukarıda, sırtlık altta */
  .bus { display: flex; justify-content: center; }
  .bus-grid.vertical {
    --seat: 44px;
    grid-template-columns: repeat(5, var(--seat)); grid-template-rows: 44px repeat(var(--cols), var(--seat));
    gap: 8px 6px; padding: 26px 16px 16px; border-radius: 40px 40px 14px 14px / 50px 50px 14px 14px;
  }
  .bus-grid.vertical::before { left: 14px; right: 14px; top: 8px; bottom: auto; width: auto; height: 12px; border: 1.5px solid #c9d0d4; border-bottom: 0; border-radius: 40px 40px 0 0; }
  .bus-grid.vertical .wheel { grid-row: 1; grid-column: 1 / 3; }
  .bus-grid.vertical .seat { padding: 0 0 6px; }
  .bus-grid.vertical .seat::after { right: -1.5px; left: -1.5px; top: auto; width: auto; height: 8px; }
  .sp-busrow { justify-content: center; }
  .sun { display: none; }
  .legend { font-size: 12px; gap: 6px 10px; }
  .pnr-form { grid-template-columns: 1fr; }
  .rh-days { font-size: 14px; }
}

/* ---------- Yönetim paneli ---------- */
.panel-body { background: #eef0f2; }
.panel { display: grid; grid-template-columns: 230px 1fr; min-height: 100vh; }
.side { background: #23272a; color: #c9cfd2; padding: 16px 0; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.side-logo { display: block; background: #fff; margin: 0 16px 16px; border-radius: 8px; padding: 6px; }
.side-logo img { display: block; height: 40px; width: auto; margin: 0 auto; }
.side a { display: block; color: #c9cfd2; text-decoration: none; padding: 9px 20px; font-size: 14px; }
.side a:hover { background: #2f3438; color: #fff; }
.side a.on { background: var(--red); color: #fff; }
.side h5 { margin: 16px 20px 6px; color: #7d868b; font-size: 11px; text-transform: uppercase; letter-spacing: .08em; }
.side-user { padding: 12px 20px; font-size: 12px; color: #9aa3a8; border-top: 1px solid #3a3f42; margin-top: 16px; }
.pmain { padding: 24px; min-width: 0; }
.pmain h1 { margin: 0 0 18px; font-size: 22px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.pmain h1 .btn { margin-left: auto; font-size: 14px; }
.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 14px; margin-bottom: 20px; }
.stat { background: #fff; border-radius: 10px; padding: 16px; box-shadow: var(--shadow); }
.stat small { color: var(--muted); display: block; }
.stat b { font-size: 26px; }
.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; background: #e5f6ec; color: #1f6b45; }
.flash.err { background: #fdecec; color: var(--red); }
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.form-grid .full { grid-column: 1 / -1; }
.form-actions { display: flex; gap: 10px; margin-top: 16px; }
.tbl-wrap { overflow-x: auto; background: #fff; border-radius: 10px; box-shadow: var(--shadow); }
.tbl-wrap .tbl td, .tbl-wrap .tbl th { white-space: nowrap; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 20px; font-size: 12px; font-weight: 600; background: #eef0f2; color: #4a5155; }
.badge.ok { background: #e5f6ec; color: #1f6b45; }
.badge.red { background: #fdecec; color: var(--red); }
.badge.blue { background: var(--blue-bg); color: #24508f; }
.filters { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; margin-bottom: 14px; }
.filters .fld { min-width: 160px; }
.stops-ed .stop-row { display: grid; grid-template-columns: 1fr 2fr 110px 36px; gap: 8px; margin-bottom: 8px; }
.inline-form { display: inline; }
.login-box { max-width: 380px; margin: 10vh auto; }
.login-box img { display: block; margin: 0 auto 16px; height: 60px; width: auto; }
.seatmap-preview .bus-grid { --seat: 38px; }
@media (max-width: 860px) {
  .panel { grid-template-columns: 1fr; }
  .side { position: static; height: auto; display: flex; flex-wrap: wrap; padding: 8px; }
  .side h5, .side-user { display: none; }
  .side-logo { margin: 0 8px 8px 0; }
  .side a { padding: 6px 10px; }
  .pmain { padding: 16px; }
}
@media print {
  .side, .no-print, .topbar, .footer { display: none !important; }
  .panel { display: block; }
  .tbl-wrap { box-shadow: none; }
}