/* ---------- Tokens ---------- */
:root {
  color-scheme: light dark;

  /* Palette inspired by Baie de Somme: cream, forest, lake, terracotta */
  --bg: #faf7f0;
  --bg-elev: #ffffff;
  --fg: #2a2723;
  --fg-soft: #5a544c;
  --muted: #8b8278;
  --border: #ebe4d6;
  --border-strong: #d8cfba;
  --accent: #3f5a40; /* deep forest */
  --accent-fg: #fefdf8;
  --accent-soft: #e9efe5;
  --water: #5c7e8c; /* lake blue-grey */
  --terracotta: #c47e5a;
  --danger: #b03a2e;
  --ok: #3f5a40;

  --shadow-sm:
    0 1px 2px rgba(28, 24, 20, 0.04),
    0 1px 1px rgba(28, 24, 20, 0.04);
  --shadow: 0 4px 14px rgba(28, 24, 20, 0.06), 0 2px 4px rgba(28, 24, 20, 0.04);
  --shadow-lg: 0 18px 40px rgba(28, 24, 20, 0.12);

  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 18px;

  --font-serif:
    "Cormorant Garamond",
    "Iowan Old Style",
    "Palatino Linotype",
    Palatino,
    P052,
    Georgia,
    serif;
  --font-sans:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    "Helvetica Neue",
    Arial,
    sans-serif;

  font-family: var(--font-sans);
  font-feature-settings: "ss01", "cv11";
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15130f;
    --bg-elev: #1f1c17;
    --fg: #f1ece0;
    --fg-soft: #c8c1b3;
    --muted: #8a8377;
    --border: #2c2820;
    --border-strong: #3d3829;
    --accent: #8ba978;
    --accent-fg: #15130f;
    --accent-soft: #232a1f;
    --water: #7a9ba9;
    --terracotta: #d99577;
    --danger: #e88577;
  }
}

/* ---------- Reset / base ---------- */
* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  min-height: 100vh;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

a:hover {
  border-bottom-color: currentColor;
}

img {
  max-width: 100%;
  height: auto;
}

::selection {
  background: var(--accent);
  color: var(--accent-fg);
}

/* ---------- Typography ---------- */
h1,
h2,
h3,
h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.15;
  color: var(--fg);
  margin: 0 0 0.75rem;
}

h1 {
  font-size: clamp(1.9rem, 2.5vw + 1rem, 2.8rem);
  font-weight: 500;
}

h2 {
  font-size: 1.6rem;
  margin: 2rem 0 1rem;
}

h3 {
  font-size: 1.2rem;
  margin: 1.25rem 0 0.5rem;
}

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--water);
  margin-bottom: 0.5rem;
  display: inline-block;
}

p {
  margin: 0 0 1rem;
  color: var(--fg-soft);
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: var(--accent-soft);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-size: 0.9em;
  color: var(--fg);
}

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

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

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

/* ---------- Layout primitives ---------- */
.container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

.container.narrow {
  max-width: 640px;
}

.stack > * + * {
  margin-top: 1rem;
}

.row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.row > * {
  flex: 1;
}

.grid {
  display: grid;
  gap: 1rem;
}

/* ---------- Header / nav ---------- */
.site-header {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

@media (prefers-color-scheme: dark) {
  .site-header {
    background: rgba(21, 19, 15, 0.85);
  }
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.9rem 1.25rem;
  flex-wrap: wrap;
}

.site-header .brand {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--fg);
  border-bottom: 0;
}

.site-header .brand::after {
  content: "·";
  margin: 0 0.4rem;
  color: var(--terracotta);
}

.site-header .brand .sub {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.site-header nav {
  display: flex;
  gap: 1.25rem;
  flex: 1;
  flex-wrap: wrap;
}

.site-header nav a {
  color: var(--fg-soft);
  border-bottom: 0;
  font-size: 0.95rem;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
}

.site-header nav a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.site-header .user {
  color: var(--muted);
  font-size: 0.85rem;
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

.site-header .user a {
  color: var(--fg-soft);
  border-bottom: 0;
}

.site-header .user a:hover {
  color: var(--accent);
}

.site-header .user-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.3rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.site-header .user-link:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.site-header .user-icon {
  color: var(--muted);
  flex: 0 0 auto;
  transition: color 0.15s ease;
}

.site-header .user-link:hover .user-icon {
  color: var(--accent);
}

/* A `<button>` that looks like an inline text link. Used for the logout
   action so the destructive POST isn't triggerable by GET prefetch. */
.link-button {
  background: transparent;
  border: 0;
  padding: 0;
  margin: 0;
  font: inherit;
  color: var(--fg-soft);
  cursor: pointer;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.link-button:hover {
  color: var(--accent);
  border-bottom-color: currentColor;
  filter: none;
}

/* ---------- Profile picture editor ---------- */
.avatar-edit-wrap {
  position: relative;
  display: inline-block;
  line-height: 0;
}

.avatar-edit-image {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--accent-soft);
  object-fit: cover;
  display: block;
}

.avatar-edit-button {
  position: absolute;
  right: -4px;
  bottom: -4px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-elev);
  color: var(--fg);
  border: 1px solid var(--border-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition:
    border-color 0.15s ease,
    color 0.15s ease,
    background 0.15s ease,
    transform 0.05s ease;
}

.avatar-edit-button:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
  filter: none;
}

.avatar-edit-button:active:not(:disabled) {
  transform: translateY(0);
}

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(20, 18, 14, 0.45);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  animation: modal-fade 0.15s ease-out;
}

.modal-content {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  max-width: 420px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  animation: modal-pop 0.18s ease-out;
}

@keyframes modal-fade {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes modal-pop {
  from {
    opacity: 0;
    transform: translateY(6px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ---------- Mobile nav toggle (CSS-only) ---------- */
.nav-toggle-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 0;
  height: 0;
}

.nav-toggle-label {
  display: none;
}

@media (max-width: 720px) {
  .site-header .container {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .site-header .brand {
    flex: 1 1 auto;
  }

  .nav-toggle-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.4rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--fg-soft);
    cursor: pointer;
    order: 2;
    transition:
      color 0.15s ease,
      border-color 0.15s ease,
      background 0.15s ease;
  }

  .nav-toggle-label:hover {
    color: var(--accent);
    border-color: var(--accent);
  }

  .nav-toggle-input:checked + .nav-toggle-label {
    background: var(--accent-soft);
    color: var(--accent);
    border-color: var(--accent);
  }

  .site-header .user {
    order: 3;
    margin-left: auto;
  }

  .site-header nav {
    order: 5;
    display: none;
    flex-direction: column;
    width: 100%;
    flex-basis: 100%;
    gap: 0;
    padding-top: 0.5rem;
    margin-top: 0.25rem;
    border-top: 1px solid var(--border);
  }

  .site-header nav a {
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--border);
  }

  .site-header nav a:last-child {
    border-bottom: 0;
  }

  .nav-toggle-input:checked ~ nav {
    display: flex;
  }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  margin-bottom: 2.5rem;
  isolation: isolate;
  background:
    linear-gradient(
      180deg,
      rgba(20, 25, 20, 0.05) 30%,
      rgba(20, 25, 20, 0.6) 100%
    ),
    url("/59d7cba6-86f8-44d0-9253-cb9f5029c846.JPG?__frsh_c=e553d3c5123a199c21f8570bcdc6163290fef544") center/cover no-repeat,
    linear-gradient(180deg, #c8b894 0%, #8ba978 60%, #5c7e8c 100%);
  min-height: 360px;
  display: flex;
  align-items: flex-end;
  padding: 2.5rem 2rem;
  color: #f7f3e9;
  box-shadow: var(--shadow-lg);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      ellipse at 20% 30%,
      rgba(255, 255, 255, 0.15),
      transparent 60%
    ),
    linear-gradient(180deg, transparent 40%, rgba(20, 18, 14, 0.55) 100%);
  z-index: -1;
}

.hero .eyebrow {
  color: rgba(255, 255, 255, 0.85);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.hero h1 {
  color: #fdfbf3;
  font-size: clamp(2.1rem, 3.5vw + 1rem, 3.4rem);
  font-weight: 500;
  margin-bottom: 0.4rem;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
  max-width: 24ch;
}

.hero p {
  color: rgba(253, 251, 243, 0.92);
  font-size: 1.05rem;
  max-width: 50ch;
  margin: 0;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
}

.hero-compact {
  min-height: 180px;
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.5rem;
}

/* Mosaic of location photos shown on the home page. First image spans two
   columns + two rows on wide viewports for a bit of editorial rhythm. */
.location-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.location-grid li {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--accent-soft);
  aspect-ratio: 4 / 3;
}

.location-grid li img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.location-grid li:hover img {
  transform: scale(1.03);
}

@media (min-width: 720px) {
  .location-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 1fr;
  }
  .location-grid li:first-child {
    grid-column: span 2;
    grid-row: span 2;
  }
}

/* ---------- Cards ---------- */
.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.card.interactive:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}

.card > h2:first-child,
.card > h3:first-child {
  margin-top: 0;
}

.card.feature {
  border-left: 3px solid var(--terracotta);
}

/* ---------- Buttons / inputs ---------- */
button,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: var(--accent);
  color: var(--accent-fg);
  border: 1px solid var(--accent);
  padding: 0.65rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition:
    filter 0.15s ease,
    transform 0.05s ease,
    background 0.15s ease,
    color 0.15s ease;
  text-decoration: none;
}

button:hover:not(:disabled),
.button:hover {
  filter: brightness(1.05);
}

button:active:not(:disabled) {
  transform: translateY(1px);
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

button.secondary,
.button.secondary {
  background: transparent;
  color: var(--fg);
  border-color: var(--border-strong);
}

button.secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  filter: none;
}

button.danger {
  background: var(--danger);
  border-color: var(--danger);
}

input,
textarea,
select {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--bg-elev);
  color: var(--fg);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--fg-soft);
}

/* ---------- Flashes ---------- */
.flash {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  color: var(--fg);
  font-size: 0.95rem;
}

.flash.error {
  background: #fbe9e7;
  border-left-color: var(--danger);
  color: #6b1d18;
}

.flash.ok {
  background: var(--accent-soft);
  border-left-color: var(--accent);
}

.flash.info {
  background: #e9eff3;
  border-left-color: var(--water);
  color: #2c4853;
}

@media (prefers-color-scheme: dark) {
  .flash.error {
    background: #2f1815;
    color: #ffb5ac;
  }
  .flash.info {
    background: #1b2429;
    color: #b8d2dc;
  }
}

/* ---------- Table ---------- */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

th,
td {
  text-align: left;
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--border);
}

th {
  font-weight: 500;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ---------- Tags ---------- */
.tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: var(--border);
  color: var(--fg-soft);
}

.tag.admin {
  background: var(--terracotta);
  color: #fff;
}

.tag.organizer {
  background: var(--water);
  color: #fff;
}

.tag.participant {
  background: var(--accent-soft);
  color: var(--accent);
}

/* ---------- Section feature row on home ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.feature-grid .card {
  margin-bottom: 0;
  text-decoration: none;
  color: inherit;
  border-bottom: 0;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.feature-grid .card:hover {
  border-color: var(--accent);
}

.feature-grid h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.15rem;
}

.feature-grid p {
  margin: 0;
  font-size: 0.9rem;
}

/* ---------- Decorative divider ---------- */
.divider {
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--border-strong),
    transparent
  );
  margin: 2rem 0;
  border: 0;
}

/* ---------- Auth pages (login, dev) ---------- */
.auth-shell {
  max-width: 460px;
  margin: 4rem auto;
  padding: 1rem;
}

.auth-shell .brand-mark {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  text-align: center;
  margin-bottom: 0.5rem;
}

.auth-shell .brand-mark .sub {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.25rem;
}

/* ---------- Photo grid (polish existing) ---------- */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.85rem;
}

.photo-grid figure {
  margin: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--bg-elev);
  border: 1px solid var(--border);
}

.photo-grid img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.photo-grid figcaption {
  padding: 0.5rem 0.7rem;
  color: var(--muted);
  font-size: 0.8rem;
}

/* ---------- Photo lightbox ---------- */
.lightbox-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 8, 4, 0.94);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: modal-fade 0.15s ease-out;
  touch-action: pan-y;
  cursor: zoom-out;
}

.lightbox-image {
  max-width: min(96vw, 1600px);
  max-height: 88vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
  cursor: default;
  user-select: none;
  -webkit-user-drag: none;
}

.lightbox-close,
.lightbox-nav {
  position: absolute;
  background: rgba(20, 18, 14, 0.55);
  color: #fdfbf3;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  font-family: var(--font-serif);
  transition:
    background 0.15s ease,
    transform 0.05s ease,
    border-color 0.15s ease;
}

.lightbox-close:hover,
.lightbox-nav:hover {
  background: rgba(60, 55, 45, 0.85);
  border-color: rgba(255, 255, 255, 0.4);
  filter: none;
}

.lightbox-close:active,
.lightbox-nav:active {
  transform: scale(0.96);
}

.lightbox-close {
  top: 1rem;
  right: 1rem;
  width: 44px;
  height: 44px;
  font-size: 1.6rem;
  line-height: 1;
}

.lightbox-nav {
  top: 50%;
  transform: translateY(-50%);
  width: 56px;
  height: 56px;
  font-size: 2.4rem;
  line-height: 1;
}

.lightbox-nav:active {
  transform: translateY(-50%) scale(0.96);
}

.lightbox-nav-prev {
  left: 1rem;
}

.lightbox-nav-next {
  right: 1rem;
}

.lightbox-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.75rem 1.25rem;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.6));
  color: #f7f3e9;
  font-size: 0.9rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  cursor: default;
}

.lightbox-caption .muted {
  color: rgba(255, 255, 255, 0.6);
  font-variant-numeric: tabular-nums;
}

.photo-delete-button {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.45);
  background: rgba(20, 18, 14, 0.55);
  color: #fdfbf3;
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.15s ease, background 0.15s ease;
  z-index: 2;
}

.photo-grid-item:hover .photo-delete-button,
.photo-delete-button:focus-visible {
  opacity: 1;
}

.photo-delete-button:hover {
  background: var(--danger);
  border-color: var(--danger);
  filter: none;
}

@media (hover: none) {
  /* On touch devices "hover" never fires; keep the button always visible. */
  .photo-delete-button {
    opacity: 1;
  }
}

.lightbox-delete {
  position: absolute;
  top: 1rem;
  right: 4rem;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  background: rgba(176, 58, 46, 0.85);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  font-size: 0.85rem;
  cursor: pointer;
}

.lightbox-delete:hover:not(:disabled) {
  background: var(--danger);
  filter: none;
}

@media (max-width: 720px) {
  .lightbox-nav {
    width: 44px;
    height: 44px;
    font-size: 1.8rem;
  }
  .lightbox-nav-prev {
    left: 0.5rem;
  }
  .lightbox-nav-next {
    right: 0.5rem;
  }
  .lightbox-close {
    top: 0.5rem;
    right: 0.5rem;
  }
}