:root {
  --bg: #f8efe3;
  --paper: rgba(255, 255, 255, 0.86);
  --paper-strong: #ffffff;
  --ink: #1b3556;
  --muted: #65748a;
  --line: rgba(27, 53, 86, 0.12);
  --orange: #ff7f19;
  --orange-deep: #bf5302;
  --blue: #2874eb;
  --blue-deep: #143d7a;
  --sky: #dcecff;
  --gold: #ffe0ba;
  --ok: #0e9f6e;
  --shadow: 0 24px 60px rgba(25, 40, 67, 0.14);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Segoe UI", "Trebuchet MS", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255, 127, 25, 0.24), transparent 22%),
    radial-gradient(circle at top right, rgba(40, 116, 235, 0.18), transparent 22%),
    linear-gradient(180deg, #fff8ef 0%, #f8efe3 52%, #eef4ff 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

button,
input,
select,
textarea {
  font: inherit;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--orange-deep);
  font-size: 0.83rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
}

p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 22px;
  border: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--orange), var(--orange-deep));
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 14px 28px rgba(255, 127, 25, 0.24);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 32px rgba(255, 127, 25, 0.3);
}

.button-secondary {
  background: linear-gradient(135deg, var(--blue), var(--blue-deep));
  box-shadow: 0 14px 28px rgba(40, 116, 235, 0.2);
}

.button-ghost {
  background: rgba(255, 255, 255, 0.84);
  color: var(--blue-deep);
  box-shadow: none;
  border: 1px solid var(--line);
}

.button-link {
  color: var(--blue-deep);
  font-weight: 700;
}

.auth-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-layout,
.auth-shell {
  width: min(1180px, 100%);
  display: grid;
  grid-template-columns: 1fr 0.92fr;
  gap: 24px;
}

.auth-redirect {
  grid-template-columns: 1fr;
  place-items: center;
  text-align: center;
  padding: 56px;
}

.auth-visual,
.auth-card,
.app-shell aside,
.app-panel,
.trip-item,
.mini-card,
.hero-banner {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.48);
  background: var(--paper);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.auth-visual,
.auth-card {
  padding: 34px;
}

.auth-visual {
  background:
    radial-gradient(circle at 78% 22%, rgba(255, 214, 148, 0.95), transparent 18%),
    linear-gradient(155deg, rgba(255, 251, 244, 0.95), rgba(240, 247, 255, 0.76)),
    linear-gradient(145deg, rgba(255, 127, 25, 0.1), rgba(40, 116, 235, 0.1));
}

.auth-visual-warm {
  background:
    radial-gradient(circle at 80% 18%, rgba(255, 204, 124, 0.95), transparent 18%),
    linear-gradient(155deg, rgba(255, 246, 236, 0.95), rgba(255, 239, 218, 0.82));
}

.auth-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  font-size: 1.8rem;
  font-weight: 900;
}

.auth-logo {
  width: 54px;
  height: 70px;
}

.auth-visual h1 {
  font-size: clamp(2.4rem, 4vw, 4.2rem);
  line-height: 1.02;
  max-width: 12ch;
}

.auth-copy {
  margin-top: 18px;
  max-width: 54ch;
}

.auth-points {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.auth-points article {
  display: grid;
  gap: 4px;
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.64);
  border: 1px solid rgba(27, 53, 86, 0.08);
}

.auth-points strong {
  color: var(--ink);
}

.auth-card {
  align-self: stretch;
  background: rgba(255, 255, 255, 0.92);
}

.auth-card-wide {
  min-width: 0;
}

.auth-card-top {
  margin-bottom: 22px;
}

.auth-card-top p {
  margin-top: 8px;
}

.stack-form,
.stack-panel {
  display: grid;
  gap: 16px;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-weight: 600;
}

input,
select,
textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(40, 116, 235, 0.45);
  box-shadow: 0 0 0 4px rgba(40, 116, 235, 0.12);
}

.auth-footer {
  margin-top: 18px;
}

.auth-footer a {
  color: var(--blue-deep);
  font-weight: 700;
}

.flash {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 14px;
  font-weight: 600;
}

.flash-success {
  background: rgba(14, 159, 110, 0.12);
  color: #0a7a54;
}

.flash-error {
  background: rgba(210, 70, 70, 0.12);
  color: #a63535;
}

.app-body {
  min-height: 100vh;
}

.app-shell {
  width: min(1380px, calc(100% - 32px));
  margin: 0 auto;
  padding: 20px 0 28px;
  display: grid;
  grid-template-columns: 270px 1fr;
  gap: 24px;
}

.app-shell aside {
  padding: 24px 20px;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 20px;
  position: sticky;
  top: 20px;
  height: calc(100vh - 40px);
}

.side-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.7rem;
  font-weight: 900;
}

.side-brand img {
  width: 42px;
  height: 56px;
}

.user-chip {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--line);
}

.user-chip strong,
.nav-link strong {
  display: block;
  color: var(--ink);
}

.side-nav {
  display: grid;
  gap: 10px;
  align-content: start;
}

.nav-link {
  display: block;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid transparent;
}

.nav-link span {
  color: var(--muted);
  font-size: 0.95rem;
}

.nav-link.is-active {
  background: rgba(40, 116, 235, 0.12);
  border-color: rgba(40, 116, 235, 0.18);
}

.side-cta {
  display: grid;
  gap: 12px;
  padding: 18px;
  border-radius: 20px;
  background: linear-gradient(160deg, rgba(255, 127, 25, 0.14), rgba(255, 255, 255, 0.74));
}

.app-main {
  display: grid;
  gap: 24px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.48);
  box-shadow: var(--shadow);
}

.topbar p {
  margin-top: 4px;
}

.topbar-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-banner,
.app-panel {
  padding: 26px;
}

.hero-banner {
  background:
    radial-gradient(circle at 82% 22%, rgba(255, 209, 124, 0.92), transparent 17%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(255, 246, 238, 0.82)),
    linear-gradient(140deg, rgba(255, 127, 25, 0.14), rgba(40, 116, 235, 0.12));
}

.hero-banner h1 {
  font-size: clamp(2rem, 3.4vw, 3.8rem);
  line-height: 1.02;
  max-width: 12ch;
}

.hero-banner p {
  margin-top: 14px;
  max-width: 58ch;
}

.hero-actions,
.inline-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.stat-grid,
.card-grid,
.trip-grid,
.detail-grid,
.review-grid,
.profile-grid {
  display: grid;
  gap: 18px;
}

.stat-grid {
  grid-template-columns: repeat(3, 1fr);
}

.card-grid {
  grid-template-columns: repeat(3, 1fr);
}

.trip-grid {
  grid-template-columns: repeat(2, 1fr);
}

.detail-grid,
.profile-grid {
  grid-template-columns: repeat(2, 1fr);
}

.mini-card,
.trip-item {
  padding: 20px;
}

.mini-card strong,
.trip-item strong {
  color: var(--ink);
}

.metric {
  font-size: 2rem;
  font-weight: 900;
}

.page-section {
  display: grid;
  gap: 20px;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
}

.section-head p {
  margin-top: 8px;
}

.filter-grid,
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.trip-item {
  display: grid;
  gap: 12px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(27, 53, 86, 0.08);
}

.trip-top,
.trip-meta-row,
.detail-meta-row,
.chat-compose,
.review-row,
.profile-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 800;
}

.chip-interest {
  background: rgba(255, 127, 25, 0.12);
  color: var(--orange-deep);
}

.chip-safe {
  background: rgba(40, 116, 235, 0.12);
  color: var(--blue-deep);
}

.chip-women {
  background: rgba(255, 127, 25, 0.12);
  color: var(--orange-deep);
}

.chip-men {
  background: rgba(27, 53, 86, 0.12);
  color: var(--ink);
}

.trip-title {
  font-size: 1.3rem;
}

.muted-line {
  color: var(--muted);
  font-size: 0.95rem;
}

.trip-actions,
.split-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.empty-state {
  padding: 22px;
  border-radius: 18px;
  border: 1px dashed var(--line);
  text-align: center;
}

.chat-log {
  max-height: 260px;
  overflow: auto;
  display: grid;
  gap: 10px;
}

.chat-bubble {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(27, 53, 86, 0.08);
}

.chat-bubble strong {
  display: block;
  margin-bottom: 4px;
}

.list-stack {
  display: grid;
  gap: 12px;
}

.list-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(27, 53, 86, 0.07);
}

.admin-table-wrap {
  overflow: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th,
.admin-table td {
  padding: 14px 12px;
  text-align: left;
  border-bottom: 1px solid rgba(27, 53, 86, 0.08);
  vertical-align: top;
}

.admin-table th {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.admin-table tr.is-selected-row td {
  background: rgba(40, 116, 235, 0.06);
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  padding: 14px 18px;
  border-radius: 16px;
  color: #fff;
  background: rgba(20, 61, 122, 0.96);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1120px) {
  .auth-layout,
  .app-shell,
  .trip-grid,
  .card-grid,
  .detail-grid,
  .profile-grid,
  .stat-grid {
    grid-template-columns: 1fr;
  }

  .app-shell aside {
    position: static;
    height: auto;
  }
}

@media (max-width: 780px) {
  .auth-visual,
  .auth-card,
  .app-panel,
  .hero-banner,
  .mini-card,
  .trip-item {
    padding: 20px;
  }

  .field-grid,
  .filter-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .topbar,
  .section-head,
  .trip-top,
  .trip-meta-row,
  .detail-meta-row,
  .review-row,
  .profile-card-top {
    align-items: flex-start;
    flex-direction: column;
  }
}