:root {
  --bg: #f7eddb;
  --panel: rgba(255, 248, 235, 0.84);
  --ink: #162436;
  --muted: #5b6775;
  --line: rgba(22, 36, 54, 0.14);
  --accent: #162436;
  --accent-soft: rgba(22, 36, 54, 0.09);
  --shadow: 0 22px 70px rgba(35, 26, 14, 0.16);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(rgba(247, 237, 219, 0.9), rgba(247, 237, 219, 0.94)),
    radial-gradient(circle at top left, rgba(22, 36, 54, 0.08), transparent 30%),
    url("/assets/postcard-hero-bg.webp") center / cover fixed no-repeat;
  font-family: Georgia, "Times New Roman", serif;
}

button,
input {
  font: inherit;
}

.login-landing {
  min-height: calc(100vh - 88px);
  display: grid;
  place-items: center;
  padding: clamp(18px, 4vw, 42px);
  border-radius: 34px;
  background:
    linear-gradient(rgba(248, 239, 222, 0.4), rgba(248, 239, 222, 0.72)),
    url("/assets/postcard-hero-bg.webp") center / cover no-repeat;
  overflow: hidden;
}

.login-landing-frame {
  width: min(1180px, 100%);
  display: grid;
  grid-template-columns: 1.18fr 0.72fr;
  gap: 22px;
  align-items: stretch;
}

.login-brand-panel,
.login-landing-card {
  border: 1px solid var(--line);
  background: rgba(255, 248, 235, 0.82);
  box-shadow: 0 24px 80px rgba(44, 27, 12, 0.16);
  backdrop-filter: blur(10px);
}

.login-brand-panel {
  padding: clamp(28px, 4vw, 42px);
  border-radius: 30px;
  display: grid;
  align-content: center;
  gap: 18px;
  min-height: 620px;
}

.login-landing-card {
  padding: 32px;
  border-radius: 30px;
  align-self: center;
}

.landing-logo {
  display: block;
  width: min(620px, 100%);
}

.landing-story {
  max-width: 34rem;
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.1rem, 1.6vw, 1.38rem);
  line-height: 1.7;
}

.landing-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.landing-chip {
  display: inline-flex;
  align-items: center;
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid rgba(22, 36, 54, 0.12);
  background: rgba(255, 252, 245, 0.86);
  color: var(--ink);
  font-size: 0.86rem;
}

.landing-title {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
}

.landing-form {
  margin-top: 24px;
}

.auth-form {
  display: grid;
  gap: 12px;
}

.auth-form label {
  display: grid;
  gap: 6px;
}

.auth-form span {
  color: var(--muted);
  font-size: 0.88rem;
}

.auth-form input {
  width: 100%;
  padding: 12px 14px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: 14px;
}

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

.auth-actions button {
  padding: 12px 16px;
  border: 0;
  border-radius: 14px;
  cursor: pointer;
}

.login-note {
  margin: 18px 0 0;
  color: var(--muted);
}

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

.hero {
  display: grid;
  grid-template-columns: 0.95fr 1.25fr;
  gap: 20px;
  align-items: start;
  margin-bottom: 24px;
}

.hero-topline {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
}

.logout-pill {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 252, 245, 0.86);
  color: var(--ink);
  cursor: pointer;
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 9vw, 5.5rem);
  line-height: 0.95;
  font-weight: 600;
}

h2 {
  margin-top: 0;
}

.lede,
.panel p,
.notes-list,
#auth-status,
.gallery-status {
  color: var(--muted);
  line-height: 1.55;
  font-size: 1rem;
}

.auth-panel,
.stat-card,
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.auth-panel,
.panel,
.stat-card {
  padding: 20px;
}

.hero-copy {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: rgba(255, 248, 235, 0.68);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  min-height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.hero-wordmark {
  width: min(100%, 520px);
  height: clamp(120px, 16vw, 190px);
  margin-top: 8px;
  margin-bottom: 16px;
  overflow: hidden;
  border-radius: 18px;
}

.hero-wordmark img {
  display: block;
  width: 100%;
  max-width: none;
  transform: translateY(-28%);
  border-radius: 18px;
}

.hero-counts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.count-pill {
  display: inline-flex;
  align-items: center;
  padding: 7px 11px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 252, 245, 0.86);
  color: var(--ink);
  font-size: 0.84rem;
  white-space: nowrap;
}

.status-pill {
  background: rgba(106, 91, 77, 0.12);
  color: var(--muted);
}

.status-pill.connected {
  background: rgba(58, 122, 72, 0.14);
  border-color: rgba(58, 122, 72, 0.24);
  color: #275a2c;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.filter-button,
.hero-open-button,
.detail-close-button {
  padding: 11px 15px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 252, 245, 0.9);
  color: var(--ink);
  cursor: pointer;
}

.filter-button.active,
.hero-open-button {
  color: #fff8f1;
  background: var(--accent);
  border-color: transparent;
}

.filter-button.future {
  opacity: 0.55;
  cursor: default;
}

.hero-feature {
  display: grid;
  gap: 18px;
}

.hero-stack {
  position: relative;
  min-height: 320px;
}

.hero-card {
  position: absolute;
  width: 72%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 20px;
  border: 1px solid var(--line);
  box-shadow: 0 24px 52px rgba(33, 27, 19, 0.2);
  background: rgba(234, 212, 186, 0.55);
  cursor: zoom-in;
}

.hero-front {
  left: 0;
  bottom: 0;
  transform: rotate(-4deg);
}

.hero-back {
  right: 0;
  top: 0;
  transform: rotate(5deg);
}

.hero-meta {
  display: grid;
  gap: 10px;
}

.hero-meta strong {
  font-size: 1.3rem;
}

#landing-login-button {
  color: #fff8f1;
  background: var(--accent);
  min-width: 160px;
}

.panel-label,
.stat-label {
  display: block;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.collection-shell {
  display: grid;
  gap: 16px;
}

.collection-shell {
  grid-template-columns: 1.45fr 0.75fr;
}

.locked-panel {
  margin-top: 16px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: end;
}

.postcard-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.postcard-card {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 248, 235, 0.74);
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.postcard-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(56, 33, 13, 0.12);
}

.postcard-thumb {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(234, 212, 186, 0.6);
}

.postcard-meta {
  display: grid;
  gap: 6px;
  text-align: left;
}

.postcard-card strong {
  display: block;
  font-size: 1.02rem;
}

.postcard-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.82rem;
}

.gallery-status {
  margin-bottom: 14px;
}

.notes-list {
  padding-left: 18px;
}

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

.detail-modal {
  position: fixed;
  inset: 0;
  z-index: 20;
}

.detail-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(28, 21, 15, 0.58);
  backdrop-filter: blur(6px);
}

.detail-panel {
  position: relative;
  width: min(1080px, calc(100vw - 28px));
  margin: 28px auto;
  padding: 24px;
  border-radius: 28px;
  border: 1px solid var(--line);
  background: rgba(255, 250, 241, 0.96);
  box-shadow: 0 28px 90px rgba(31, 19, 9, 0.25);
}

.detail-close-button {
  display: inline-flex;
  margin-left: auto;
  margin-bottom: 18px;
}

.detail-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 20px;
}

.detail-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.detail-figure {
  margin: 0;
  display: grid;
  gap: 8px;
}

.detail-figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(248, 241, 231, 0.85);
  cursor: zoom-in;
}

.detail-copy {
  display: grid;
  gap: 14px;
}

.detail-block {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 252, 245, 0.72);
}

.image-viewer[hidden] {
  display: none;
}

.image-viewer {
  position: fixed;
  inset: 0;
  z-index: 30;
}

.image-viewer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(18, 13, 10, 0.78);
  backdrop-filter: blur(8px);
}

.image-viewer-panel {
  position: relative;
  width: min(1240px, calc(100vw - 20px));
  height: min(92vh, 980px);
  margin: 20px auto;
  padding: 18px;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(27, 20, 15, 0.92);
  box-shadow: 0 28px 90px rgba(12, 8, 6, 0.4);
  color: #f4ecde;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 16px;
}

.image-viewer-bar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.image-viewer-actions {
  display: flex;
  gap: 8px;
}

.image-viewer-actions button {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: #f4ecde;
  cursor: pointer;
}

.image-viewer-stage {
  overflow: hidden;
  border-radius: 18px;
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.06), transparent 30%),
    rgba(11, 9, 8, 0.75);
  position: relative;
  touch-action: none;
  cursor: grab;
}

.image-viewer-stage.is-dragging {
  cursor: grabbing;
}

.image-viewer-stage img {
  position: absolute;
  top: 50%;
  left: 50%;
  max-width: none;
  max-height: none;
  transform-origin: center center;
  user-select: none;
  -webkit-user-drag: none;
}

.status-error {
  color: #8e2a17;
}

.status-ok {
  color: #275a2c;
}

@media (max-width: 960px) {
  .login-landing-frame,
  .hero,
  .collection-shell,
  .detail-layout,
  .detail-images {
    grid-template-columns: 1fr;
  }

  .login-brand-panel {
    min-height: 0;
  }

  .page-shell {
    width: min(100vw - 20px, 1180px);
    padding-top: 20px;
  }

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

@media (max-width: 640px) {
  .postcard-grid {
    grid-template-columns: 1fr;
  }

  .hero-stack {
    min-height: 240px;
  }

  .image-viewer-bar {
    align-items: start;
    flex-direction: column;
  }
}