:root {
  --client-bg: #f4f7f9;
  --client-panel: #ffffff;
  --client-ink: #17212f;
  --client-muted: #64748b;
  --client-line: #d9e2ea;
  --client-primary: #0f766e;
  --client-primary-dark: #115e59;
  --client-accent: #2563eb;
  --client-warn: #b45309;
  --client-danger: #b42318;
  --client-ok: #15803d;
  --client-shadow: 0 18px 42px rgba(23, 33, 47, .08);
}

* {
  box-sizing: border-box;
}

body.client-body {
  min-height: 100vh;
  margin: 0;
  color: var(--client-ink);
  background: var(--client-bg);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  letter-spacing: 0;
}

.client-topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(217, 226, 234, .9);
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(14px);
}

.client-nav {
  width: min(1180px, calc(100% - 24px));
  min-height: 68px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.client-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--client-ink);
  text-decoration: none;
  min-width: 0;
}

.client-brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--client-line);
}

.client-brand strong,
.client-brand span {
  display: block;
  line-height: 1.1;
}

.client-brand span {
  color: var(--client-muted);
  font-size: .82rem;
}

.client-nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--client-line);
  border-radius: 8px;
  background: #fff;
  color: var(--client-ink);
  font-size: 1.35rem;
}

.client-nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.client-nav-links a,
.client-chip {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 9px 12px;
  border-radius: 8px;
  color: var(--client-muted);
  text-decoration: none;
  font-weight: 700;
  font-size: .92rem;
}

.client-nav-links a:hover,
.client-nav-links a.is-active {
  color: var(--client-primary-dark);
  background: #e6f5f2;
}

.client-nav-user {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.client-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 9px;
  border-radius: 8px;
  border: 1px solid var(--client-line);
  background: #fff;
  color: var(--client-muted);
  font-size: .8rem;
  font-weight: 800;
}

.client-badge.ok {
  color: var(--client-ok);
  border-color: #bbf7d0;
  background: #f0fdf4;
}

.client-shell {
  width: min(1180px, calc(100% - 24px));
  margin: 22px auto 36px;
}

.client-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 16px;
  margin-bottom: 18px;
}

.client-title {
  margin: 0;
  font-size: clamp(1.45rem, 2.2vw, 2.2rem);
  font-weight: 850;
  line-height: 1.08;
  letter-spacing: 0;
}

.client-subtitle {
  margin: 8px 0 0;
  color: var(--client-muted);
}

.client-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 14px;
}

.client-col-3 { grid-column: span 3; }
.client-col-4 { grid-column: span 4; }
.client-col-5 { grid-column: span 5; }
.client-col-6 { grid-column: span 6; }
.client-col-7 { grid-column: span 7; }
.client-col-8 { grid-column: span 8; }
.client-col-12 { grid-column: span 12; }

.client-card {
  border: 1px solid var(--client-line);
  border-radius: 8px;
  background: var(--client-panel);
  box-shadow: var(--client-shadow);
}

.client-card.pad {
  padding: 16px;
}

.client-card-title {
  margin: 0 0 12px;
  font-size: 1.02rem;
  font-weight: 850;
}

.client-metric {
  min-height: 112px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 16px;
}

.client-metric small {
  color: var(--client-muted);
  font-weight: 750;
}

.client-metric strong {
  font-size: 2rem;
  line-height: 1;
}

.client-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.client-btn {
  border: 1px solid transparent;
  border-radius: 8px;
  min-height: 42px;
  padding: 9px 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  color: #fff;
  background: var(--client-primary);
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.client-btn:hover {
  background: var(--client-primary-dark);
  color: #fff;
}

.client-btn.secondary {
  color: var(--client-primary-dark);
  background: #e6f5f2;
  border-color: #b7e2dc;
}

.client-btn.secondary:hover {
  background: #d3eee9;
}

.client-btn.ghost {
  color: var(--client-ink);
  background: #fff;
  border-color: var(--client-line);
}

.client-btn.danger {
  color: #fff;
  background: var(--client-danger);
}

.client-btn:disabled,
.client-btn.is-disabled {
  cursor: not-allowed;
  opacity: .55;
}

.client-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.client-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.client-field.full {
  grid-column: 1 / -1;
}

.client-field label {
  color: var(--client-muted);
  font-size: .84rem;
  font-weight: 800;
}

.client-field input,
.client-field select,
.client-field textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--client-line);
  border-radius: 8px;
  background: #fff;
  color: var(--client-ink);
  padding: 9px 11px;
  font: inherit;
}

.client-field textarea {
  min-height: 86px;
  resize: vertical;
}

.client-field input:focus,
.client-field select:focus,
.client-field textarea:focus {
  outline: 3px solid rgba(15, 118, 110, .18);
  border-color: var(--client-primary);
}

.client-list {
  display: grid;
  gap: 10px;
}

.voyage-card,
.reservation-card {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--client-line);
  border-radius: 8px;
  background: #fff;
}

.voyage-card.is-active {
  border-color: var(--client-primary);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, .15);
}

.voyage-card.is-disabled {
  opacity: .62;
}

.voyage-route,
.reservation-route {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.voyage-route strong,
.reservation-route strong {
  font-size: 1rem;
}

.meta-line {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  color: var(--client-muted);
  font-size: .88rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 8px;
  border-radius: 8px;
  font-size: .78rem;
  font-weight: 850;
  background: #eef2ff;
  color: var(--client-accent);
}

.status-pill.pending { background: #fff7ed; color: var(--client-warn); }
.status-pill.confirmed { background: #f0fdf4; color: var(--client-ok); }
.status-pill.cancelled { background: #fef2f2; color: var(--client-danger); }

.class-grid,
.seat-grid {
  display: grid;
  gap: 8px;
}

.class-grid {
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
}

.seat-grid {
  grid-template-columns: repeat(auto-fill, minmax(58px, 1fr));
  max-height: 300px;
  overflow: auto;
  padding-right: 2px;
}

.class-btn,
.seat-btn {
  border: 1px solid var(--client-line);
  border-radius: 8px;
  background: #fff;
  color: var(--client-ink);
  cursor: pointer;
  font-weight: 850;
}

.class-btn {
  min-height: 78px;
  padding: 10px;
  text-align: left;
}

.class-btn span,
.class-btn small {
  display: block;
}

.class-btn small {
  color: var(--client-muted);
  font-weight: 700;
}

.seat-btn {
  height: 48px;
  padding: 0 6px;
}

.class-btn.is-active,
.seat-btn.is-active {
  border-color: var(--client-primary);
  background: #e6f5f2;
  color: var(--client-primary-dark);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, .14);
}

.summary-box {
  display: grid;
  gap: 10px;
  padding: 14px;
  border-radius: 8px;
  background: #eef7f5;
  border: 1px solid #c9e8e2;
}

.summary-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.summary-row span {
  color: var(--client-muted);
}

.summary-row strong {
  text-align: right;
}

.client-alert {
  display: none;
  margin-bottom: 12px;
  padding: 11px 12px;
  border-radius: 8px;
  border: 1px solid var(--client-line);
  background: #fff;
  font-weight: 750;
}

.client-alert.show {
  display: block;
}

.client-alert.ok {
  color: var(--client-ok);
  background: #f0fdf4;
  border-color: #bbf7d0;
}

.client-alert.error {
  color: var(--client-danger);
  background: #fef2f2;
  border-color: #fecaca;
}

.client-empty,
.client-loading {
  padding: 24px 16px;
  border: 1px dashed var(--client-line);
  border-radius: 8px;
  color: var(--client-muted);
  text-align: center;
  background: #fff;
}

.segment {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--client-line);
  border-radius: 8px;
  background: #fff;
}

.segment button {
  min-height: 34px;
  border: 0;
  border-radius: 6px;
  padding: 6px 10px;
  color: var(--client-muted);
  background: transparent;
  font-weight: 800;
}

.segment button.is-active {
  color: #fff;
  background: var(--client-primary);
}

.auth-ajax-status {
  min-height: 22px;
}

@media (max-width: 920px) {
  .client-nav {
    align-items: flex-start;
    padding: 12px 0;
  }

  .client-nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .client-nav-links {
    position: absolute;
    left: 12px;
    right: 12px;
    top: 68px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
    border: 1px solid var(--client-line);
    border-radius: 8px;
    background: #fff;
    box-shadow: var(--client-shadow);
  }

  .client-nav-links.is-open {
    display: flex;
  }

  .client-nav-user {
    display: none;
  }

  .client-hero {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .client-col-3,
  .client-col-4,
  .client-col-5,
  .client-col-6,
  .client-col-7,
  .client-col-8 {
    grid-column: span 12;
  }

  .client-form-grid {
    grid-template-columns: 1fr;
  }

  .voyage-route,
  .reservation-route,
  .summary-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .summary-row strong {
    text-align: left;
  }
}

@media (max-width: 560px) {
  .client-shell,
  .client-nav {
    width: min(100% - 16px, 1180px);
  }

  .client-shell {
    margin-top: 14px;
  }

  .client-card.pad,
  .voyage-card,
  .reservation-card {
    padding: 12px;
  }

  .client-actions,
  .client-btn {
    width: 100%;
  }

  .client-btn {
    min-height: 46px;
  }

  .seat-grid {
    grid-template-columns: repeat(auto-fill, minmax(52px, 1fr));
    max-height: 260px;
  }
}