/* ── Reset & base ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:      #0d1117;
  --bg2:     #161b22;
  --bg3:     #21262d;
  --border:  #30363d;
  --fg:      #c9d1d9;
  --fg2:     #8b949e;
  --acc:     #58a6ff;
  --acc2:    #388bfd;
  --green:   #3fb950;
  --yellow:  #f5a623;
  --red:     #f85149;
  --purple:  #bc8cff;
  --sel:     #1f6feb;
  --radius:  8px;
  --shadow:  0 4px 24px rgba(0,0,0,.4);
}

html { font-size: 15px; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: "Segoe UI", system-ui, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--acc); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Navbar ────────────────────────────────────────────────────────────────── */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .75rem 2rem;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--acc);
  letter-spacing: .03em;
}

.nav-hex { font-size: 1.3rem; }

.nav-links { display: flex; gap: 1rem; }

.nav-link {
  padding: .35rem .85rem;
  border-radius: var(--radius);
  color: var(--fg2);
  font-weight: 500;
  transition: background .15s, color .15s;
}
.nav-link:hover { background: var(--bg3); color: var(--fg); text-decoration: none; }
.nav-link.active { background: var(--sel); color: #fff; }

/* ── Main ──────────────────────────────────────────────────────────────────── */
.main-content {
  flex: 1;
  max-width: 1300px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* ── Page header ───────────────────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.75rem;
  gap: 1rem;
  flex-wrap: wrap;
}
.page-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--fg);
}
.page-sub { color: var(--fg2); margin-top: .2rem; }

/* ── Cards ─────────────────────────────────────────────────────────────────── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}
.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--acc);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.card-sub { color: var(--fg2); margin-bottom: 1rem; font-size: .9rem; }

/* ── Split layout ──────────────────────────────────────────────────────────── */
.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
@media (max-width: 860px) { .split-layout { grid-template-columns: 1fr; } }

/* ── Forms ─────────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 1.1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }

label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--fg2);
  margin-bottom: .35rem;
}
.hint { font-weight: 400; color: var(--fg2); }
.req { color: var(--red); }

input[type=text],
input[type=number],
input[type=email],
input[type=password],
input[type=date],
input[type=time],
input[list=loc-list],
textarea,
select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--fg);
  padding: .55rem .75rem;
  font-size: .95rem;
  font-family: inherit;
  outline: none;
  transition: border-color .15s;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--acc);
}
textarea { resize: vertical; }

.input-suffix-wrap {
  display: flex;
  gap: 0;
}
.input-suffix-wrap input {
  border-radius: var(--radius) 0 0 var(--radius);
  border-right: none;
  flex: 1;
}
.suffix-select {
  width: auto;
  min-width: 80px;
  border-radius: 0 var(--radius) var(--radius) 0;
  border-left: 1px solid var(--border);
  background: var(--bg3);
}

.form-actions {
  display: flex;
  gap: .75rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

/* ── Buttons ────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .55rem 1.1rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: .9rem;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
  white-space: nowrap;
}
.btn:disabled { opacity: .5; cursor: default; }

.btn-primary {
  background: var(--acc);
  color: var(--bg);
  border-color: var(--acc);
}
.btn-primary:hover { background: #79c0ff; border-color: #79c0ff; }

.btn-secondary {
  background: var(--bg3);
  color: var(--fg);
  border-color: var(--border);
}
.btn-secondary:hover { background: var(--sel); border-color: var(--acc); color: #fff; }

.btn-danger {
  background: transparent;
  color: var(--red);
  border-color: var(--red);
}
.btn-danger:hover { background: var(--red); color: #fff; }

.btn-sm  { padding: .4rem .85rem; font-size: .85rem; }
.btn-xs  { padding: .25rem .6rem; font-size: .8rem; }

/* ── Badges / status ────────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: .2rem .65rem;
  border-radius: 99px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .04em;
  white-space: nowrap;
}
.badge-pending   { background: rgba(245,166,35,.15);  color: var(--yellow); }
.badge-accepted  { background: rgba(88,166,255,.15);  color: var(--acc); }
.badge-transit   { background: rgba(63,185,80,.15);   color: var(--green); }
.badge-delivered { background: rgba(63,185,80,.3);    color: var(--green); }
.badge-cancelled { background: rgba(139,148,158,.15); color: var(--fg2); }

/* ── Tab bar ─────────────────────────────────────────────────────────────────── */
.tab-bar {
  display: flex;
  gap: .25rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.tab {
  padding: .5rem 1rem;
  border-radius: var(--radius) var(--radius) 0 0;
  color: var(--fg2);
  font-weight: 500;
  font-size: .9rem;
  border: 1px solid transparent;
  border-bottom: none;
  transition: background .15s, color .15s;
}
.tab:hover { color: var(--fg); text-decoration: none; background: var(--bg3); }
.tab-active {
  background: var(--bg2);
  color: var(--acc);
  border-color: var(--border);
  border-bottom-color: var(--bg2);
}
.tab-count {
  display: inline-block;
  background: var(--bg3);
  border-radius: 99px;
  padding: 0 .45rem;
  font-size: .75rem;
  margin-left: .25rem;
}

/* ── Data table ─────────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
}
.data-table th {
  text-align: left;
  padding: .65rem .85rem;
  background: var(--bg3);
  color: var(--acc);
  font-weight: 700;
  font-size: .8rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.data-table td {
  padding: .6rem .85rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.req-row:hover td { background: var(--bg3); }
.action-row td    { background: var(--bg2); padding: .75rem 1rem; }

.route-arrow { color: var(--fg2); margin: 0 .25rem; }
.route-origin, .route-dest { color: var(--fg); }
.text-muted  { color: var(--fg2); }
.nowrap      { white-space: nowrap; }
.mono        { font-family: "Cascadia Code", "Consolas", monospace; font-size: .85rem; }

/* ── Action panel ────────────────────────────────────────────────────────────── */
.action-panel {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
  padding: .5rem 0;
}
.action-sep {
  width: 1px;
  height: 24px;
  background: var(--border);
  margin: 0 .25rem;
}
.inline-form { display: flex; align-items: center; gap: .4rem; flex-wrap: wrap; }
.form-label-sm { font-size: .82rem; color: var(--fg2); font-weight: 600; white-space: nowrap; }
.select-sm { width: auto; padding: .3rem .5rem; font-size: .85rem; }
.input-sm  { width: 140px; padding: .3rem .5rem; font-size: .85rem; }

/* ── Fee tags ────────────────────────────────────────────────────────────────── */
.fee-tag {
  display: inline-block;
  padding: .15rem .55rem;
  border-radius: 99px;
  font-size: .8rem;
  font-weight: 600;
  white-space: nowrap;
}
.fee-tag-proposed { background: rgba(245,166,35,.15); color: var(--yellow); }
.fee-tag-counter  { background: rgba(88,166,255,.15); color: var(--acc); }
.fee-tag-agreed   { background: rgba(63,185,80,.2);   color: var(--green); }

/* ── Fee timeline (detail page) ──────────────────────────────────────────────── */
.fee-timeline { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.5rem; }

.fee-step {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
}
.fee-step.fee-done   { border-color: var(--acc); }
.fee-step.fee-agreed { border-color: var(--green); background: rgba(63,185,80,.05); }

.fee-step-header {
  display: flex;
  gap: .75rem;
  align-items: center;
  margin-bottom: .4rem;
}
.fee-role  { font-weight: 700; font-size: .82rem; color: var(--acc); }
.fee-label { font-size: .82rem; color: var(--fg2); }

.fee-amount        { font-size: 1.35rem; font-weight: 700; color: var(--fg); margin: .25rem 0; }
.fee-amount-agreed { color: var(--green); }
.fee-hint          { color: var(--fg2); font-size: .88rem; margin-bottom: .5rem; }

.share-box {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.share-label { font-size: .85rem; color: var(--fg2); white-space: nowrap; }
.share-url   { flex: 1; min-width: 200px; font-size: .85rem; cursor: pointer; }

/* ── Detail list ─────────────────────────────────────────────────────────────── */
.detail-list {
  display: grid;
  grid-template-columns: 140px 1fr;
  row-gap: .55rem;
  column-gap: 1rem;
}
.detail-list dt { color: var(--fg2); font-size: .85rem; font-weight: 600; }
.detail-list dd { color: var(--fg); }

/* ── Breakdown panel ────────────────────────────────────────────────────────── */
.breakdown-card { min-height: 260px; }
.breakdown-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 200px;
  color: var(--fg2);
  font-style: italic;
  text-align: center;
}
.bd-summary { display: flex; align-items: baseline; gap: .75rem; margin-bottom: 1rem; }
.bd-scu     { font-size: 1.8rem; font-weight: 700; color: var(--acc); }
.bd-crates  { color: var(--fg2); font-size: 1rem; }
.bd-rows    { display: flex; flex-direction: column; gap: .5rem; margin-bottom: 1rem; }
.bd-row     { display: flex; align-items: center; gap: .5rem; font-size: .95rem; }
.bd-count   { font-weight: 700; color: var(--acc); width: 2.5rem; text-align: right; }
.bd-size    { flex: 1; color: var(--fg); }
.bd-total   { color: var(--fg2); font-size: .88rem; white-space: nowrap; }
.bd-warn    { color: var(--red); font-size: .88rem; }
.bd-ok      { color: var(--green); font-size: .9rem; }

/* ── Alerts ──────────────────────────────────────────────────────────────────── */
.alert {
  padding: .75rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  font-size: .9rem;
}
.alert-error { background: rgba(248,81,73,.1); border: 1px solid var(--red); color: var(--red); }
.alert ul    { padding-left: 1rem; }

.flash-container { max-width: 1300px; margin: .75rem auto; padding: 0 1.5rem; }
.flash           { padding: .6rem 1rem; border-radius: var(--radius); font-size: .9rem; }
.flash-error     { background: rgba(248,81,73,.1); border: 1px solid var(--red); color: var(--red); }
.flash-success   { background: rgba(63,185,80,.1); border: 1px solid var(--green); color: var(--green); }

/* ── Locations ───────────────────────────────────────────────────────────────── */
.count-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg3);
  border-radius: 99px;
  padding: 0 .55rem;
  font-size: .78rem;
  color: var(--fg2);
  font-weight: 600;
}

.loc-list { list-style: none; display: flex; flex-direction: column; gap: .5rem; }
.loc-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .6rem .85rem;
  gap: .5rem;
}
.loc-name { font-weight: 600; }
.loc-desc { color: var(--fg2); font-size: .85rem; margin-left: .5rem; }

.loc-grid {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-top: .25rem;
}
.loc-chip {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: .2rem .7rem;
  font-size: .8rem;
  color: var(--fg2);
}

/* ── Empty state ─────────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--fg2);
}
.empty-state p { margin-bottom: 1.25rem; font-size: 1rem; }

/* ── Back link ───────────────────────────────────────────────────────────────── */
.back-link { margin-top: 1.5rem; color: var(--fg2); font-size: .9rem; }

/* ── Footer ──────────────────────────────────────────────────────────────────── */
.footer {
  text-align: center;
  padding: 1rem;
  color: var(--fg2);
  font-size: .8rem;
  border-top: 1px solid var(--border);
}

/* ── Login page ──────────────────────────────────────────────────────────────── */
.login-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 120px);
}
.login-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow);
}
.login-header { text-align: center; margin-bottom: 2rem; }
.login-hex    { font-size: 2.5rem; color: var(--acc); display: block; margin-bottom: .5rem; }
.login-title  { font-size: 1.4rem; font-weight: 700; color: var(--fg); margin-bottom: .25rem; }
.login-sub    { color: var(--fg2); font-size: .88rem; }
.btn-full     { width: 100%; justify-content: center; margin-top: .5rem; }

/* ── Users page ──────────────────────────────────────────────────────────────── */
.user-item    { flex-direction: column; align-items: flex-start; gap: .6rem; }
.user-info    { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.user-handle  { font-weight: 700; font-size: 1rem; }
.user-you     {
  font-size: .72rem; font-weight: 700; color: var(--acc);
  background: rgba(88,166,255,.12);
  border-radius: 99px; padding: .1rem .5rem;
}
.user-actions { display: flex; gap: .4rem; flex-wrap: wrap; align-items: flex-start; }
.pw-form      { width: 100%; margin-top: .4rem; }
.pw-inner-form{
  display: flex; flex-wrap: wrap; gap: .4rem; align-items: center;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: .6rem .75rem;
}
.pw-inner-form input { flex: 1; min-width: 140px; }

/* ── Alerts (success variant) ────────────────────────────────────────────────── */
.alert-success {
  background: rgba(63,185,80,.1);
  border: 1px solid var(--green);
  color: var(--green);
}

/* ── Language switcher ───────────────────────────────────────────────────────── */
.lang-switcher { display: flex; gap: .25rem; align-items: center; margin-left: .5rem; }
.lang-btn {
  padding: .2rem .55rem; border-radius: var(--radius);
  font-size: .8rem; font-weight: 700;
  color: var(--fg2); border: 1px solid var(--border);
  background: var(--bg3); transition: background .15s, color .15s;
  text-decoration: none;
}
.lang-btn:hover { background: var(--sel); color: #fff; text-decoration: none; }
.lang-active { background: var(--acc); color: var(--bg); border-color: var(--acc); }
.lang-active:hover { background: #79c0ff; }

/* ── About page ──────────────────────────────────────────────────────────────── */
.card-section-title { font-size: 1rem; font-weight: 700; color: var(--fg); margin-bottom: .4rem; }
.feature-list { padding-left: 1.2rem; margin: 0; }
.feature-list li { margin-bottom: .35rem; color: var(--fg2); }
.alert-info {
  background: rgba(88,166,255,.08);
  border: 1px solid var(--acc);
  color: var(--fg2);
  border-radius: var(--radius); padding: .75rem 1rem;
}
.alert-info pre { background: var(--bg3); border-radius: 4px; padding: .4rem .6rem; }