:root {
  color-scheme: light;
  --bg: #f6f4ef;
  --panel: #ffffff;
  --ink: #17211d;
  --muted: #66736d;
  --line: #d9ded8;
  --accent: #1f6f56;
  --accent-strong: #174d3f;
  --sky: #d8ebf0;
  --clay: #c76f4a;
  --pine: #1f3b32;
  --shadow: 0 18px 45px rgba(23, 33, 29, 0.12);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

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

button,
input,
select {
  font: inherit;
}

button,
.secondary-button {
  min-height: 42px;
  border: 0;
  border-radius: 6px;
  padding: 0 16px;
  color: white;
  background: var(--accent);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

button:hover,
.secondary-button:hover {
  background: var(--accent-strong);
}

.secondary-button {
  color: var(--pine);
  background: #edf2ee;
}

.secondary-button:hover {
  background: #dfe8e1;
}

.auth-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    linear-gradient(rgba(23, 33, 29, 0.1), rgba(23, 33, 29, 0.2)),
    url("https://images.unsplash.com/photo-1500530855697-b586d89ba3ee?auto=format&fit=crop&w=1800&q=80") center / cover;
}

.auth-panel {
  width: min(460px, 100%);
  border-radius: 8px;
  padding: 30px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--clay);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.auth-panel h1 {
  margin-bottom: 10px;
  font-size: clamp(2.2rem, 8vw, 4rem);
}

.muted {
  color: var(--muted);
}

.auth-form,
.tool-panel,
.filter-panel {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--pine);
  font-size: 0.9rem;
  font-weight: 750;
}

input,
select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 11px;
  color: var(--ink);
  background: #fff;
}

input:focus,
select:focus,
button:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(31, 111, 86, 0.24);
  outline-offset: 2px;
}

.form-message {
  min-height: 20px;
  margin: 0;
  color: var(--clay);
  font-size: 0.9rem;
}

.register-box {
  margin-top: 18px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.register-box summary {
  cursor: pointer;
  font-weight: 800;
}

.compact-form {
  margin-top: 14px;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 26px;
  color: white;
  background: var(--pine);
}

.sidebar .eyebrow {
  color: #9fd3c1;
}

.sidebar h2 {
  margin-bottom: 0;
  font-size: 1.35rem;
}

nav {
  display: grid;
  gap: 8px;
}

.nav-link {
  justify-content: flex-start;
  color: #f5faf7;
  background: transparent;
}

.nav-link:hover,
.nav-link.active {
  color: var(--pine);
  background: #e6f0e9;
}

.sidebar #logout-button {
  margin-top: auto;
}

.content {
  min-width: 0;
  padding: 26px;
}

.topbar,
.section-heading,
.calendar-results {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.topbar {
  margin-bottom: 24px;
}

.topbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.notification-button {
  position: relative;
  color: var(--pine);
  background: #edf2ee;
}

.notification-button span {
  min-width: 22px;
  height: 22px;
  border-radius: 999px;
  margin-left: 8px;
  display: inline-grid;
  place-items: center;
  color: white;
  background: var(--clay);
  font-size: 0.75rem;
}

.notifications-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-bottom: 18px;
  padding: 18px;
  background: var(--panel);
  box-shadow: 0 10px 24px rgba(23, 33, 29, 0.06);
}

.topbar h1,
.section-heading h2 {
  margin-bottom: 0;
}

.user-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 12px 7px 7px;
  color: var(--ink);
  background: var(--panel);
  cursor: pointer;
}

.user-chip span {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: white;
  background: var(--clay);
  font-weight: 900;
  overflow: hidden;
}

.user-chip img,
.profile-picture-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.view {
  display: none;
}

.active-view {
  display: block;
}

.map-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 18px;
}

.map-panel,
.info-panel,
.tool-panel,
.filter-panel,
.integration-panel,
.calendar-results > section {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 10px 24px rgba(23, 33, 29, 0.06);
}

.map-panel {
  min-height: 560px;
  overflow: hidden;
}

.map-actions {
  display: flex;
  gap: 10px;
  padding: 14px;
  border-bottom: 1px solid var(--line);
}

.map-filter-form {
  display: grid;
  grid-template-columns: repeat(4, minmax(130px, 1fr)) auto;
  gap: 10px;
  align-items: end;
  padding: 14px;
  border-bottom: 1px solid var(--line);
  background: #fbfcfa;
}

.map-filter-form .muted {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 0.9rem;
}

.mountain-map {
  width: 100%;
  height: 500px;
  display: block;
  background: var(--sky);
}

.leaflet-popup-content button {
  width: 100%;
  margin-top: 8px;
}

.info-panel {
  padding: 20px;
}

dl {
  display: grid;
  gap: 14px;
  margin: 20px 0 0;
}

dt {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 850;
  text-transform: uppercase;
}

dd {
  margin: 4px 0 0;
  font-weight: 750;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.item-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: var(--panel);
  box-shadow: 0 10px 24px rgba(23, 33, 29, 0.06);
}

.item-card h3 {
  margin-bottom: 8px;
}

.item-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0;
}

.item-meta span {
  border-radius: 999px;
  padding: 5px 9px;
  color: var(--pine);
  background: #edf2ee;
  font-size: 0.82rem;
  font-weight: 800;
}

.item-card p {
  color: var(--muted);
}

.data-note {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.filter-panel {
  grid-template-columns: minmax(220px, 1fr) 180px;
  align-items: end;
  margin-top: 16px;
  padding: 16px;
}

.card-action {
  width: 100%;
  margin-top: 4px;
}

.mountain-profile-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-top: 16px;
  padding: 0;
  overflow: hidden;
  background: var(--panel);
  box-shadow: 0 10px 24px rgba(23, 33, 29, 0.06);
}

.mountain-profile-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(0, 1.05fr);
  min-height: 520px;
}

.mountain-profile-photo {
  min-height: 520px;
  background: var(--sky);
}

.mountain-profile-photo img {
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
  display: block;
}

.mountain-profile-data {
  padding: 28px;
  display: grid;
  align-content: start;
  gap: 16px;
}

.mountain-profile-panel h3 {
  margin-bottom: 8px;
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.mountain-profile-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.api-note {
  margin-top: 16px;
  border-left: 4px solid var(--clay);
  padding: 12px 14px;
  background: #fff7f0;
  color: #4a3a31;
}

.api-note a {
  color: var(--accent-strong);
  font-weight: 800;
}

.integration-panel {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(180px, 1fr) auto;
  gap: 12px;
  align-items: end;
  margin-top: 14px;
  padding: 16px;
}

.integration-panel .form-message {
  grid-column: 1 / -1;
}

.calendar-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 18px 0;
}

.request-trip-layout {
  display: grid;
  grid-template-columns: minmax(320px, 520px) minmax(0, 1fr);
  gap: 14px;
  margin-top: 18px;
}

.link-preview,
.selected-mountain-box,
.mountain-picker {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
  background: #fbfcfa;
}

.link-preview img {
  width: 100%;
  max-height: 180px;
  border-radius: 6px;
  object-fit: cover;
  margin-bottom: 10px;
}

.mountain-picker {
  display: grid;
  gap: 4px;
  max-height: 280px;
  overflow: auto;
}

.mountain-picker button {
  min-height: 34px;
  justify-content: flex-start;
  padding: 7px 10px;
  color: var(--ink);
  background: transparent;
  text-align: left;
  font-weight: 750;
}

.mountain-picker button:hover {
  color: white;
  background: var(--accent);
}

.selected-mountain-box {
  display: grid;
  gap: 10px;
}

.selected-mountain-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.rsvp-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.calendar-shell {
  display: grid;
  grid-template-columns: minmax(210px, 260px) minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  margin-top: 18px;
}

.calendar-sidebar,
.calendar-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: var(--panel);
  box-shadow: 0 10px 24px rgba(23, 33, 29, 0.06);
}

.calendar-sidebar {
  display: grid;
  gap: 12px;
  position: sticky;
  top: 16px;
}

.calendar-toolbar,
.calendar-weekdays,
.availability-calendar {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
}

.calendar-toolbar {
  grid-template-columns: auto 1fr auto;
  align-items: center;
  margin-bottom: 16px;
}

.calendar-toolbar h3 {
  margin: 0;
  text-align: center;
}

.calendar-weekdays {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 850;
  text-align: center;
  text-transform: uppercase;
}

.calendar-day {
  min-height: 86px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px;
  display: grid;
  align-content: space-between;
  gap: 8px;
  color: var(--ink);
  background: #fbfcfa;
  text-align: left;
}

.calendar-day:hover {
  border-color: var(--accent);
  background: #f2f8f4;
}

.team-calendar-day {
  min-height: 104px;
}

.team-calendar-day.has-free-users {
  border-color: rgba(55, 118, 91, 0.36);
  background: #f4faf6;
}

.team-free-names {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 750;
  line-height: 1.25;
}

.calendar-day.is-empty {
  border-color: transparent;
  background: transparent;
  box-shadow: none;
  cursor: default;
}

.calendar-date-number {
  font-weight: 900;
}

.calendar-status {
  border-radius: 999px;
  padding: 4px 7px;
  width: fit-content;
  font-size: 0.75rem;
  font-weight: 850;
}

.status-free {
  color: #14543f;
  background: #dff2e9;
}

.status-not-free {
  color: #7b3429;
  background: #fde4dc;
}

.status-maybe {
  color: #665000;
  background: #fff0bf;
}

.status-blank {
  color: var(--muted);
  background: #edf2ee;
}

.admin-layout,
.profile-layout,
.admin-stats {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.admin-layout {
  grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
}

.profile-layout {
  grid-template-columns: minmax(280px, 360px) repeat(2, minmax(0, 1fr));
  align-items: start;
}

.profile-card {
  grid-row: span 2;
}

.profile-picture-preview {
  width: 118px;
  height: 118px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  color: white;
  background: var(--clay);
  font-size: 2.4rem;
  font-weight: 900;
  overflow: hidden;
}

.admin-stats {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.admin-stats article {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: var(--panel);
  box-shadow: 0 10px 24px rgba(23, 33, 29, 0.06);
}

.admin-stats span {
  display: block;
  margin-bottom: 4px;
  color: var(--accent-strong);
  font-size: 2rem;
  font-weight: 900;
}

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

.admin-user-row {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) 110px 140px auto;
  gap: 10px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
  background: #fbfcfa;
}

.admin-user-row strong,
.role-pill {
  overflow-wrap: anywhere;
}

.role-pill {
  border-radius: 999px;
  padding: 5px 9px;
  color: var(--pine);
  background: #edf2ee;
  font-size: 0.82rem;
  font-weight: 800;
  text-align: center;
}

.admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.danger-panel {
  margin-top: 14px;
}

.tool-panel,
.calendar-layout > section,
.calendar-results > section {
  padding: 18px;
}

.calendar-results {
  align-items: stretch;
}

.calendar-results > section {
  flex: 1;
}

.plain-list {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.plain-list li {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 11px;
  background: #fbfcfa;
}

.plain-list-item {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 11px;
  background: #fbfcfa;
}

.inline-link {
  display: inline-block;
  margin-top: 8px;
  color: var(--accent-strong);
  font-weight: 800;
}

@media (max-width: 880px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
  }

  nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .map-layout,
  .calendar-shell,
  .calendar-layout,
  .request-trip-layout,
  .calendar-toolbar,
  .filter-panel,
  .integration-panel,
  .admin-layout,
  .profile-layout,
  .admin-stats,
  .admin-user-row {
    grid-template-columns: 1fr;
  }

  .calendar-sidebar {
    position: static;
  }

  .topbar,
  .section-heading,
  .calendar-results {
    align-items: stretch;
    flex-direction: column;
  }

  .availability-calendar,
  .calendar-weekdays {
    gap: 5px;
  }

  .calendar-day {
    min-height: 70px;
    padding: 6px;
  }

  .map-panel {
    min-height: 440px;
  }

  .mountain-map {
    height: 370px;
  }

  .mountain-profile-grid {
    grid-template-columns: 1fr;
  }

  .mountain-profile-photo,
  .mountain-profile-photo img {
    min-height: 280px;
  }
}

@media (max-width: 520px) {
  .content,
  .sidebar,
  .auth-panel {
    padding: 18px;
  }

  nav,
  .map-actions,
  .map-filter-form {
    grid-template-columns: 1fr;
    flex-direction: column;
  }
}