/* =========================================
   BICICOSTA – Tema Oscuro Azulado
   Dark mode por defecto · Light mode toggle
   ========================================= */

:root {
  --brand: #4DACC2;
  --brand-soft: rgba(77,172,194,.25);
  --brand-soft2: rgba(77,172,194,.14);

  /* === DARK MODE (defecto) === */
  --bg:          #0d1117;
  --bg2:         #151c27;
  --bg3:         #1a2333;
  --surface:     #1e2d3d;
  --surface2:    #243447;
  --border:      rgba(77,172,194,.18);
  --text:        #e8edf2;
  --text-muted:  #8fa3b8;
  --shadow:      0 2px 0 rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.4);
  --input-bg:    #0d1117;
  --input-border:#2a3f55;
  --link:        #4DACC2;
}

/* === LIGHT MODE === */
body.light-mode {
  --bg:          #f4f8fc;
  --bg2:         #eaf2f8;
  --bg3:         #ddeaf4;
  --surface:     #ffffff;
  --surface2:    #f0f7fc;
  --border:      rgba(77,172,194,.25);
  --text:        #1a2733;
  --text-muted:  #5a7a90;
  --shadow:      0 2px 0 rgba(0,0,0,.08), 0 6px 16px rgba(0,0,0,.08);
  --input-bg:    #ffffff;
  --input-border:#c5dce8;
  --link:        #1a7a96;
}

*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: 'Segoe UI', Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  transition: background .3s, color .3s;
  min-height: 100vh;
}

a { color: var(--link); }

/* ── Toggle de tema ── */
#theme-toggle {
  position: fixed;
  top: 14px;
  right: 14px;
  z-index: 9999;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 50px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: var(--shadow);
  transition: all .2s;
}
#theme-toggle:hover {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}

/* ── Topbar ── */
.topbar {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  box-shadow: var(--shadow);
}
.topbar .logo { color: var(--brand); font-weight: 900; font-size: 26px; }
.topbar .icons { color: var(--text-muted); font-size: 22px; }
.topbar .btn-next {
  border: none;
  background: var(--brand);
  color: #fff;
  font-weight: 900;
  padding: 12px 22px;
  border-radius: 12px;
  cursor: pointer;
  text-transform: uppercase;
  font-size: 13px;
  box-shadow: 0 4px 16px rgba(77,172,194,.35);
  transition: .2s;
}
.topbar .btn-next:hover {
  background: #3a9bb0;
  transform: translateY(-1px);
}

/* ── Stepbar ── */
.stepbar {
  background: var(--bg3);
  border-bottom: 1px solid var(--border);
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-weight: 900;
  text-transform: uppercase;
  position: relative;
  font-size: 13px;
}
.stepbar .left { position: absolute; left: 18px; font-weight: 800; color: var(--brand); }
.stepbar .center { font-size: 15px; color: var(--text); }

/* ── Layout ── */
.container-narrow { max-width: 980px; margin: 0 auto; padding: 20px 18px; }
.title-center { text-align: center; margin: 20px 0 8px; font-weight: 900; letter-spacing: .5px; color: var(--text); }
.sub-link { text-align: center; margin-bottom: 14px; }
.sub-link a { color: var(--brand); text-decoration: underline; font-weight: 700; }

/* ── Tabs ── */
.tabs {
  display: flex; gap: 8px; justify-content: center; flex-wrap: wrap;
  margin: 16px 0;
}
.tab {
  min-width: 160px; padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  text-align: center; font-weight: 900; text-transform: uppercase;
  border-radius: 10px;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: .2s;
}
.tab.active {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
  box-shadow: 0 4px 16px rgba(77,172,194,.35);
}
.tab:hover:not(.active) {
  background: var(--surface2);
  border-color: var(--brand);
  color: var(--brand);
}

/* ── Bike ── */
.bike-name { font-size: 28px; margin: 8px 0 10px; color: var(--text); font-weight: 900; }
.bike-hero {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; margin: 20px 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px; padding: 16px;
}
.bike-hero img {
  max-width: 600px; width: 100%; height: auto;
  object-fit: contain; margin: 0 auto; display: block;
  filter: drop-shadow(0 4px 16px rgba(77,172,194,.2));
}

.price-pill {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--brand); color: #fff;
  padding: 13px 20px; font-weight: 900;
  box-shadow: 0 4px 20px rgba(77,172,194,.4);
  min-width: 240px; margin: 12px auto 0; border-radius: 12px;
}
.price-pill .label { margin-right: 12px; text-transform: uppercase; }
.price-pill .price { font-size: 18px; }
.price-pill .caret { margin-left: 10px; }

.bike-price {
  margin-top: 14px; background: var(--brand); color: #fff;
  font-weight: 900; padding: 12px 22px; border-radius: 12px;
  display: inline-block; box-shadow: 0 4px 16px rgba(77,172,194,.4); font-size: 16px;
}

/* ── Size cards ── */
.size-grid { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; margin: 20px 0 10px; }
.size-card {
  width: 150px; background: var(--surface);
  border: 2px solid var(--border);
  box-shadow: var(--shadow);
  border-radius: 12px; overflow: hidden; cursor: pointer; transition: .2s;
}
.size-card .top { padding: 26px 0; text-align: center; font-size: 34px; font-weight: 900; color: var(--text); }
.size-card .bottom {
  background: var(--surface2); border-top: 1px solid var(--border);
  color: var(--text-muted); text-align: center;
  padding: 10px 0; font-weight: 900; font-size: 13px;
}
.size-card.active { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft), var(--shadow); }
.size-card.active .bottom { background: var(--brand); color: #fff; border-color: var(--brand); }

/* ── Features btn ── */
.btn-features {
  display: block; margin: 14px auto 0;
  background: var(--surface2); color: var(--brand);
  border: 1px solid var(--brand); padding: 10px 18px;
  font-weight: 900; text-transform: uppercase;
  border-radius: 10px; cursor: pointer; transition: .2s;
}
.btn-features:hover { background: var(--brand); color: #fff; }

/* ── Accessories ── */
.acc-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin: 18px 0 0; }
.acc-card {
  width: 170px; background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  border-radius: 12px; overflow: hidden;
  text-align: center; cursor: pointer; transition: .2s;
}
.acc-card:hover { border-color: var(--brand); }
.acc-card .icon { padding: 18px 0 8px; font-size: 40px; }
.acc-card .name { font-weight: 900; text-transform: uppercase; padding-bottom: 10px; font-size: 13px; color: var(--text-muted); }
.acc-card .price { font-weight: 900; padding-bottom: 12px; color: var(--text); }
.acc-card .bar { background: var(--border); height: 8px; }
.acc-card.active { border-color: var(--brand); }
.acc-card.active .bar { background: var(--brand); }

/* ── Options grid ── */
.options-grid { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; margin: 16px 0 0; }
.opt {
  width: 180px; background: var(--surface);
  border: 2px solid var(--border); box-shadow: var(--shadow);
  border-radius: 12px; overflow: hidden; cursor: pointer; transition: .2s;
}
.opt:hover { border-color: var(--brand); }
.opt img { width: 100%; height: 110px; object-fit: contain; background: var(--surface2); }
.opt .txt { padding: 10px; }
.opt .txt .n { font-weight: 900; color: var(--text); }
.opt .txt .p { font-weight: 900; margin-top: 4px; color: var(--brand); }
.opt.active { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft), var(--shadow); }

/* ── Forms ── */
.form-box {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 16px; box-shadow: var(--shadow); padding: 24px;
}
.input-modern {
  width: 100%; padding: 14px 16px; border-radius: 12px;
  border: 1px solid var(--input-border); background: var(--input-bg);
  color: var(--text); font-size: 15px; outline: none; transition: .2s; box-sizing: border-box;
}
.input-modern::placeholder { color: var(--text-muted); }
.input-modern:focus { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }

.form-control {
  background: var(--input-bg) !important; color: var(--text) !important;
  border-color: var(--input-border) !important; border-radius: 12px !important;
}
.form-control:focus {
  border-color: var(--brand) !important; box-shadow: 0 0 0 3px var(--brand-soft) !important;
}
.form-control::placeholder { color: var(--text-muted) !important; }

label { color: var(--text-muted); font-size: 14px; font-weight: 700; margin-bottom: 4px; display: block; }

/* ── Buttons ── */
.btn-main {
  background: var(--brand); color: #fff; border: none;
  padding: 14px 24px; font-weight: 900; font-size: 15px;
  border-radius: 12px; cursor: pointer; text-transform: uppercase;
  box-shadow: 0 4px 16px rgba(77,172,194,.4); transition: .2s;
}
.btn-main:hover { background: #3a9bb0; transform: translateY(-1px); }

.btn-soft {
  background: var(--surface2); color: var(--text-muted);
  border: 1px solid var(--border); padding: 12px 18px;
  font-weight: 800; border-radius: 12px; cursor: pointer; transition: .2s;
}
.btn-soft:hover { background: var(--surface); color: var(--text); }

.btn { border-radius: 12px !important; font-weight: 800; }

.btn-next {
  background: transparent; border: 2px solid var(--brand);
  color: var(--brand); font-weight: 900; padding: 10px 18px;
  border-radius: 12px; cursor: pointer; text-transform: uppercase; font-size: 13px; transition: .2s;
}
.btn-next:hover { background: var(--brand); color: #fff; }

.form-actions { text-align: center; margin-top: 18px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }

/* ── Range picker ── */
.range-box {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 18px; box-shadow: var(--shadow);
  overflow: hidden; max-width: 640px; margin: 0 auto;
}
.range-tabs { display: grid; grid-template-columns: 1fr 1fr; }
.range-tabs .tab {
  border: 0; border-radius: 0; padding: 18px 14px; font-weight: 900;
  letter-spacing: .5px; font-size: 18px;
  background: var(--surface2); color: var(--text-muted); cursor: pointer;
}
.range-tabs .tab.active { background: var(--brand); color: #fff; }

.range-inputs { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 12px; padding: 14px 16px 4px; }
.range-inputs input {
  width: 100%; border: 1px solid var(--input-border); border-radius: 12px;
  padding: 12px; font-size: 16px; background: var(--input-bg);
  color: var(--text); outline: none; box-sizing: border-box; min-width: 0;
}
@media (max-width:520px) { .range-inputs { grid-template-columns: 1fr; } }

#calendarInline { text-align: center; padding: 10px 0 14px; }
#calendarInline .flatpickr-calendar { display: inline-block; margin: 0 auto !important; }

.flatpickr-calendar { background: var(--surface) !important; border: 1px solid var(--border) !important; box-shadow: var(--shadow) !important; color: var(--text) !important; }
.flatpickr-months, .flatpickr-month { background: var(--surface) !important; color: var(--text) !important; }
.flatpickr-current-month input.cur-year, .flatpickr-current-month .numInputWrapper, .flatpickr-current-month .numInput { color: var(--text) !important; }
.flatpickr-weekday { color: var(--text-muted) !important; background: var(--surface) !important; }
.flatpickr-day { color: var(--text) !important; border-radius: 8px !important; }
.flatpickr-day:hover { background: var(--surface2) !important; }
.flatpickr-day.flatpickr-disabled { color: var(--text-muted) !important; opacity: .4; }
.flatpickr-day.selected, .flatpickr-day.startRange, .flatpickr-day.endRange { background: var(--brand) !important; border-color: var(--brand) !important; color: #fff !important; }
.flatpickr-day.inRange { background: var(--brand-soft) !important; border-color: transparent !important; }
.flatpickr-prev-month, .flatpickr-next-month { color: var(--text-muted) !important; fill: var(--text-muted) !important; }

/* ── Qty tiles ── */
.qty-tile {
  box-shadow: var(--shadow); border-radius: 12px; padding: 18px 0;
  cursor: pointer; background: var(--surface); border: 2px solid var(--border);
  display: block; transition: .15s; user-select: none;
}
.qty-tile input { display: none; }
.qty-num { font-size: 32px; font-weight: 900; color: var(--text); }
.qty-tile:hover { transform: translateY(-1px); border-color: var(--brand); }
.qty-tile input:checked + .qty-num { color: var(--brand); }
.qty-tile:has(input:checked) { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft), var(--shadow); }

/* ── Bootstrap overrides for dark ── */
.card { background: var(--surface) !important; border: 1px solid var(--border) !important; color: var(--text) !important; border-radius: 14px !important; }
.card-header { background: var(--surface2) !important; border-color: var(--border) !important; color: var(--text) !important; }
.card-body { color: var(--text) !important; }
.table { color: var(--text) !important; }
.table th { color: var(--brand) !important; border-color: var(--border) !important; }
.table td { border-color: var(--border) !important; color: var(--text) !important; }
.table-striped tbody tr:nth-of-type(odd) { background: var(--surface2) !important; }
.table-hover tbody tr:hover { background: var(--bg3) !important; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--brand); }