:root {
  --bg-top: #eff6ff;
  --bg-bottom: #f8fafc;
  --glass: rgba(255, 255, 255, 0.42);
  --glass-strong: rgba(255, 255, 255, 0.62);
  --glass-soft: rgba(255, 255, 255, 0.28);
  --line: rgba(255, 255, 255, 0.42);
  --line-strong: rgba(148, 163, 184, 0.28);
  --text: #0f172a;
  --muted: #475569;
  --brand: #0f766e;
  --brand-2: #38bdf8;
  --ok: #15803d;
  --danger: #be123c;
  --shadow: 0 20px 60px rgba(15, 23, 42, 0.16);
  --shadow-soft: 0 10px 30px rgba(15, 23, 42, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Space Grotesk", "Avenir Next", "Helvetica Neue", sans-serif;
  background:
    radial-gradient(circle at 12% 16%, rgba(56, 189, 248, 0.32), transparent 28%),
    radial-gradient(circle at 88% 18%, rgba(15, 118, 110, 0.18), transparent 24%),
    radial-gradient(circle at 70% 82%, rgba(244, 114, 182, 0.18), transparent 22%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bottom) 100%);
  background-attachment: fixed;
  position: relative;
}

body.modal-open {
  overflow: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: auto;
  pointer-events: none;
  z-index: 0;
  border-radius: 999px;
  filter: blur(26px);
}

body::before {
  width: 220px;
  height: 220px;
  top: 80px;
  right: 8vw;
  background: rgba(255, 255, 255, 0.42);
}

body::after {
  width: 180px;
  height: 180px;
  left: 6vw;
  bottom: 8vh;
  background: rgba(125, 211, 252, 0.28);
}

a {
  color: inherit;
}

.shell {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.site-footer {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 0 0 28px;
  text-align: center;
}

.site-footer p {
  margin: 0;
  font-size: 13px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 24px;
}

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

.topbar-actions form {
  margin: 0;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(15, 118, 110, 0.78);
}

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

h1,
h2,
h3 {
  letter-spacing: -0.03em;
}

h1 {
  margin-bottom: 10px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 0.95;
}

h2 {
  margin-bottom: 8px;
  font-size: clamp(1.2rem, 2vw, 1.6rem);
}

h3 {
  margin-bottom: 6px;
  font-size: 1rem;
}

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

.preserve-breaks {
  white-space: pre-line;
}

.grid,
.details {
  display: grid;
  gap: 24px;
}

.grid {
  grid-template-columns: minmax(320px, 380px) minmax(0, 1fr);
}

.details {
  grid-template-columns: minmax(280px, 340px) minmax(0, 1fr);
  align-items: start;
}

.card {
  position: relative;
  overflow: hidden;
  padding: 24px;
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.45), rgba(255, 255, 255, 0.24)),
    var(--glass);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px) saturate(170%);
  -webkit-backdrop-filter: blur(22px) saturate(170%);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.42), transparent 45%, rgba(56, 189, 248, 0.08));
  pointer-events: none;
}

.stack {
  display: grid;
  gap: 16px;
}

.help-modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 24px;
}

.help-modal[hidden] {
  display: none;
}

.help-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(10px);
}

.help-modal-panel {
  position: relative;
  z-index: 1;
  width: min(960px, 100%);
  max-height: min(88vh, 900px);
  overflow: auto;
  padding: 28px;
}

.help-modal-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.help-modal-close {
  flex-shrink: 0;
}

.help-modal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

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

label {
  display: grid;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 600;
}

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

input,
textarea {
  width: 100%;
  color: var(--text);
  background: rgba(255, 255, 255, 0.54);
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: 18px;
  padding: 14px 16px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.42);
}

input:focus,
textarea:focus {
  outline: none;
  border-color: rgba(14, 165, 233, 0.42);
  box-shadow:
    0 0 0 4px rgba(56, 189, 248, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.42);
}

textarea {
  min-height: 110px;
  resize: vertical;
}

button,
.button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border: 0;
  border-radius: 999px;
  color: #effffb;
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
  background:
    linear-gradient(135deg, rgba(45, 212, 191, 0.92), rgba(14, 116, 144, 0.94));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.45),
    0 10px 24px rgba(14, 116, 144, 0.24);
}

button.secondary,
.button.secondary {
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(255, 255, 255, 0.56));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.8),
    var(--shadow-soft);
}

button.logout,
.button.logout {
  color: #ffffff;
  background:
    linear-gradient(180deg, rgba(51, 65, 85, 0.96), rgba(30, 41, 59, 0.94));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 10px 24px rgba(15, 23, 42, 0.18);
}

button.danger,
.button.danger {
  color: #fff5f7;
  background:
    linear-gradient(135deg, rgba(251, 113, 133, 0.96), rgba(190, 24, 93, 0.96));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.28),
    0 10px 24px rgba(190, 24, 93, 0.22);
}

button:disabled {
  opacity: 0.62;
  cursor: wait;
}

.event-list {
  display: grid;
  gap: 16px;
}

.admin-settings summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
}

.admin-settings summary::-webkit-details-marker {
  display: none;
}

.admin-settings summary::after {
  content: "＋";
  float: right;
  color: var(--muted);
}

.admin-settings[open] summary::after {
  content: "−";
}

.admin-settings-body {
  margin-top: 16px;
}

.event-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  padding: 18px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.28));
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
}

.event-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 12px;
  line-height: 1;
  font-weight: 700;
  color: #155e75;
  background: rgba(186, 230, 253, 0.48);
  border: 1px solid rgba(21, 94, 117, 0.12);
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}

.danger-zone {
  border-color: rgba(190, 24, 93, 0.16);
}

.qr-box {
  display: grid;
  gap: 16px;
  justify-items: center;
}

.qr-box img {
  width: min(100%, 260px);
  padding: 14px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow-soft);
}

.upload-form {
  display: grid;
  gap: 16px;
}

.guest-interest-note {
  margin: 4px 0 0;
  font-size: 13px;
  text-align: center;
}

.guest-info-trigger {
  margin-top: 6px;
}

.guest-interest-note a {
  color: var(--brand);
  font-weight: 700;
  text-decoration: none;
}

.guest-interest-note a:hover {
  text-decoration: underline;
}

.dropzone {
  display: grid;
  gap: 10px;
  padding: 22px;
  border-radius: 24px;
  border: 1px dashed rgba(14, 116, 144, 0.32);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.22));
}

.selected-files {
  display: grid;
  gap: 10px;
  margin-top: 4px;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.selected-files-title {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
}

.selected-files-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.selected-files-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(248, 250, 252, 0.85);
  border: 1px solid rgba(148, 163, 184, 0.16);
  font-size: 14px;
}

.selected-files-name {
  min-width: 0;
  overflow-wrap: anywhere;
}

.selected-files-size {
  flex-shrink: 0;
  color: var(--muted);
  font-size: 12px;
}

.notice {
  padding: 14px 16px;
  border-radius: 18px;
  font-size: 14px;
  border: 1px solid rgba(255, 255, 255, 0.45);
}

.notice.ok {
  color: var(--ok);
  background: rgba(220, 252, 231, 0.6);
}

.notice.busy {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #0f766e;
  background: rgba(207, 250, 254, 0.62);
}

.notice.busy::before,
button.is-busy::before {
  content: "";
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 2px solid currentColor;
  border-right-color: transparent;
  animation: spin 0.7s linear infinite;
}

.notice.error {
  color: var(--danger);
  background: rgba(255, 228, 230, 0.72);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 14px;
}

.gallery-card {
  display: grid;
  gap: 10px;
  min-width: 0;
  padding: 10px;
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.54), rgba(255, 255, 255, 0.24));
  border: 1px solid rgba(255, 255, 255, 0.52);
  box-shadow: var(--shadow-soft);
}

.gallery-media {
  display: block;
  width: 100%;
  overflow: hidden;
  border-radius: 18px;
  aspect-ratio: 1 / 1;
  background: rgba(255, 255, 255, 0.46);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.gallery-media-button {
  padding: 0;
  border: 0;
  cursor: pointer;
  text-align: left;
}

.gallery-media-button video {
  pointer-events: none;
}

.gallery-media-button:focus-visible {
  outline: 2px solid rgba(14, 116, 144, 0.6);
  outline-offset: 3px;
}

.gallery-media img,
.gallery-media video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-card-body {
  display: grid;
  gap: 4px;
  font-size: 12px;
  color: var(--muted);
}

.gallery-card-body strong {
  font-size: 13px;
  color: var(--text);
  overflow-wrap: anywhere;
}

.gallery-card-actions {
  display: grid;
  gap: 8px;
}

.gallery-card-actions .button {
  width: 100%;
  min-height: 38px;
  padding: 10px 12px;
  font-size: 12px;
}

.media-preview-panel {
  width: min(1040px, 100%);
}

.media-preview-head {
  align-items: center;
  gap: 16px;
}

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

.media-preview-actions .button {
  min-width: 108px;
}

.media-preview-title {
  margin-bottom: 0;
  overflow-wrap: anywhere;
}

.media-preview-body {
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 14px;
  min-height: min(72vh, 720px);
  padding: 18px;
  border-radius: 24px;
  background: rgba(15, 23, 42, 0.9);
  overflow: hidden;
}

.media-preview-image,
.media-preview-video {
  display: block;
  max-width: 100%;
  max-height: min(72vh, 720px);
}

.media-preview-video {
  width: 100%;
  background: #000;
}

.media-preview-hint {
  margin: 0;
  text-align: center;
  color: rgba(226, 232, 240, 0.88);
}

.mono {
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  overflow-wrap: anywhere;
}

button.is-busy {
  min-width: 178px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 900px) {
  .grid,
  .details {
    grid-template-columns: 1fr;
  }

  .help-modal-grid {
    grid-template-columns: 1fr;
  }

  .event-item {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(100vw - 18px, 1180px);
    padding: 18px 0 32px;
  }

  .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .help-modal {
    padding: 12px;
  }

  .help-modal-panel {
    padding: 22px 18px;
  }

  .help-modal-head {
    flex-direction: column;
  }

  .help-modal-close {
    width: 100%;
  }

  .help-modal-actions {
    flex-direction: column;
  }

  .card {
    padding: 18px;
    border-radius: 24px;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .gallery-card {
    padding: 8px;
    border-radius: 18px;
  }

  .gallery-card-body {
    display: none;
  }

  .gallery-card-actions .button {
    min-height: 34px;
    padding: 8px 10px;
    font-size: 11px;
  }
}

@media (max-width: 420px) {
  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .card {
    padding: 16px;
  }

  .qr-box img {
    width: min(100%, 220px);
  }
}