/* ---------------------------------------------
   Tokens
--------------------------------------------- */
:root {
  --ink-deep: #1B2E28;      /* dark library green-black, background */
  --ink-deep-2: #223B33;    /* slightly lighter panel background */
  --parchment: #EDE4D2;     /* card stock */
  --parchment-line: #D9CBAE;
  --text-main: #2B2620;     /* near-black brown ink */
  --text-muted: #6B6252;
  --gold: #C9A227;          /* foil accent */
  --clay: #B5533C;          /* recipe stamp color */
  --navy: #33465C;          /* book stamp color */
  --done-green: #4C6B4F;

  --font-display: "Fraunces", serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;

  --radius: 3px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ink-deep);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.5;
}

/* ---------------------------------------------
   Header — a library plate / bookplate feel
--------------------------------------------- */
.site-header {
  background:
    linear-gradient(180deg, var(--ink-deep) 0%, var(--ink-deep-2) 100%);
  border-bottom: 2px solid var(--gold);
  padding: 3rem 1.5rem 2.5rem;
  text-align: center;
}

.header-inner { max-width: 720px; margin: 0 auto; }

.wordmark {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-weight: 700;
  font-size: clamp(2.5rem, 6vw, 4rem);
  color: var(--parchment);
  margin: 0;
  letter-spacing: 0.01em;
}

.tagline {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0.5rem 0 0;
}

/* ---------------------------------------------
   Owner sign-in
--------------------------------------------- */
.owner-login {
  display: inline-block;
  margin-top: 1.25rem;
}

.owner-login-link {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--parchment);
  opacity: 0.5;
}

.owner-login-link::-webkit-details-marker { display: none; }
.owner-login-link:hover { opacity: 0.9; }

.login-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 0.75rem;
}

.login-form input {
  font-family: var(--font-body);
  font-size: 0.85rem;
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius);
  border: 1px solid var(--parchment-line);
  background: var(--parchment);
  color: var(--text-main);
  width: 160px;
}

.login-form button {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  background: var(--gold);
  color: var(--ink-deep);
  border: none;
  border-radius: var(--radius);
  padding: 0.4rem 0.8rem;
  cursor: pointer;
}

.owner-status {
  margin-top: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--gold);
}

.owner-status button {
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold);
  border-radius: var(--radius);
  padding: 0.2rem 0.6rem;
  margin-left: 0.5rem;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  text-transform: inherit;
}

/* Owner-only controls (the add form, and each card's edit/delete
   menu) are hidden until script.js adds .is-owner to <body> after a
   successful sign-in. */
.add-panel,
.card-menu {
  display: none;
}

body.is-owner .add-panel,
body.is-owner .card-menu {
  display: block;
}

/* ---------------------------------------------
   Layout
--------------------------------------------- */
.app {
  max-width: 860px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

.panel-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--parchment);
  opacity: 0.7;
  margin: 0 0 0.75rem;
}

/* The add panel is a <details> element — this styles its <summary>
   as a clickable row with a custom arrow instead of the browser's
   default disclosure triangle. */
summary.panel-label {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  user-select: none;
}

summary.panel-label::-webkit-details-marker {
  display: none; /* hide default marker in Chrome/Safari */
}

summary.panel-label::before {
  content: '▸';
  display: inline-block;
  color: var(--gold);
  transition: transform 0.15s ease;
}

details[open] summary.panel-label::before {
  transform: rotate(90deg);
}

summary.panel-label:hover {
  opacity: 1;
}

summary.panel-label:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* ---------------------------------------------
   Add panel / form
--------------------------------------------- */
.add-panel {
  background: var(--ink-deep-2);
  border: 1px solid rgba(201, 162, 39, 0.25);
  border-radius: var(--radius);
  padding: 1.75rem;
  margin-bottom: 2rem;
}

.item-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cover-row {
  display: flex;
  gap: 0.5rem;
}

.cover-row input { flex: 1; }

.cover-fetch-btn {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--parchment);
  background: var(--navy);
  border: none;
  border-radius: var(--radius);
  padding: 0 0.9rem;
  cursor: pointer;
  transition: background 0.15s ease;
}

.cover-fetch-btn:hover { background: #3E5674; }
.cover-fetch-btn:disabled { opacity: 0.6; cursor: default; }

.cover-upload-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.upload-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--parchment);
  opacity: 0.7;
  white-space: nowrap;
}

.cover-upload-row input[type="file"] {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--parchment);
  max-width: 180px;
}

.cover-preview {
  width: 40px;
  height: 40px;
  object-fit: cover;
  border-radius: 2px;
  border: 1px solid var(--gold);
}

.field-optional {
  text-transform: none;
  letter-spacing: normal;
  color: var(--text-muted);
  opacity: 0.8;
  font-family: var(--font-body);
  font-size: 0.7rem;
}

.card-author,
.card-series {
  display: block;
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--text-muted);
  background: none;
  border: none;
  padding: 0;
  margin: 0 0 0.15rem;
  cursor: pointer;
  text-align: left;
}

.card-author:hover {
  color: var(--navy);
  text-decoration: underline;
}

.card-series:hover {
  color: var(--clay);
  text-decoration: underline;
}

.author-filter-banner {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-deep);
  background: var(--gold);
  border-radius: var(--radius);
  padding: 0.6rem 1rem;
  margin: 0 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* the [hidden] attribute needs this to actually win — otherwise the
   display: flex above overrides the browser's default hiding rule
   and the empty banner shows up even when there's no filter active */
.author-filter-banner[hidden] {
  display: none;
}

.author-filter-banner button {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--ink-deep);
  border-radius: var(--radius);
  padding: 0.2rem 0.6rem;
  cursor: pointer;
}

.field-hint {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--gold);
  margin: 0.1rem 0 0;
}

.field-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.field {
  flex: 1;
  min-width: 140px;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.field label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gold);
}

.field input,
.field select,
.field textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.6rem 0.7rem;
  background: var(--parchment);
  color: var(--text-main);
  border: 1px solid var(--parchment-line);
  border-radius: var(--radius);
  resize: vertical;
}

.field input:focus,
.field select:focus,
.stamp-button:focus-visible,
.filter-chip:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.stamp-button {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-deep);
  background: var(--gold);
  border: none;
  border-radius: var(--radius);
  padding: 0.7rem 1.4rem;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease;
}

.stamp-button:hover {
  background: #DDB53A;
  transform: translateY(-1px);
}

/* ---------------------------------------------
   Filter bar
--------------------------------------------- */
.filter-menu {
  position: relative;
  display: inline-block;
  margin-bottom: 1.5rem;
}

.filter-menu-btn {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--parchment);
  background: transparent;
  border: 1px solid rgba(237, 228, 210, 0.3);
  border-radius: 999px;
  padding: 0.5rem 1.1rem;
  transition: border-color 0.15s ease;
}

.filter-menu-btn::-webkit-details-marker {
  display: none; /* hide default marker in Chrome/Safari */
}

.filter-menu-btn::after {
  content: '▾';
  color: var(--gold);
}

.filter-menu-btn:hover,
.filter-menu[open] .filter-menu-btn {
  border-color: var(--gold);
}

.filter-menu-btn:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.filter-menu-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 5;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 170px;
  background: var(--ink-deep-2);
  border: 1px solid rgba(201, 162, 39, 0.3);
  border-radius: var(--radius);
  padding: 0.5rem;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
}

.filter-option {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--parchment);
  background: transparent;
  border: none;
  border-radius: var(--radius);
  padding: 0.45rem 0.6rem;
  cursor: pointer;
}

.filter-option:hover {
  background: rgba(201, 162, 39, 0.15);
}

.filter-option.is-active {
  color: var(--ink-deep);
  background: var(--gold);
}

/* ---------------------------------------------
   Shelf grid + cards
--------------------------------------------- */
.shelf {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
}

.card {
  position: relative;
  background: var(--parchment);
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem 1.25rem;
  box-shadow: 0 1px 0 rgba(0,0,0,0.05);
  border-bottom: 4px solid var(--parchment-line);
}

.card-cover {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 2px;
  margin: 0.75rem 0 0.9rem;
  background: var(--parchment-line);
  display: block;
}

/* Book covers are tall/portrait — filling a fixed-height box would
   crop them heavily, so they "letterbox" instead (whole image
   visible, with a little space either side). Recipe photos are
   usually closer to landscape already, so they keep filling the box. */
.card[data-type="book"] .card-cover {
  object-fit: contain;
  background: var(--ink-deep-2);
}

.card[data-type="recipe"] .card-cover {
  object-fit: cover;
}

/* shown when there's no cover image at all */
.card-cover--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--text-muted);
}

/* the "spine" tag = signature element, like a stamped label on a card-catalog card */
.spine-tag {
  position: absolute;
  top: -10px;
  left: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--parchment);
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
}

.spine-tag--book { background: var(--navy); }
.spine-tag--recipe { background: var(--clay); }

.card-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  margin: 0.5rem 0 0.2rem;
  color: var(--text-main);
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  margin-top: 0.5rem;
}

.status-pill {
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  color: var(--parchment);
}

.status-pill--progress { background: var(--navy); }
.status-pill--done { background: var(--done-green); }
.status-pill--want { background: var(--text-muted); }

.rating {
  color: var(--gold);
  letter-spacing: 0.1em;
}

.card-menu {
  position: absolute;
  top: -10px;
  right: 1.1rem;
  z-index: 2;
}

.card-menu-btn {
  list-style: none;
  cursor: pointer;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--ink-deep-2);
  color: var(--parchment);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  line-height: 1;
  user-select: none;
}

.card-menu-btn::-webkit-details-marker {
  display: none; /* hide default marker in Chrome/Safari */
}

.card-menu-btn:hover,
.card-menu[open] .card-menu-btn {
  background: var(--gold);
  color: var(--ink-deep);
}

.card-menu-btn:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.card-menu-dropdown {
  position: absolute;
  top: 30px;
  right: 0;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 110px;
  background: var(--parchment);
  border: 1px solid var(--parchment-line);
  border-radius: var(--radius);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
  padding: 0.4rem;
}

.card-menu-dropdown .card-btn {
  width: 100%;
  text-align: left;
}

.card-btn {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--parchment-line);
  border-radius: var(--radius);
  color: var(--text-muted);
  padding: 0.3rem 0.6rem;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.card-btn:hover { border-color: var(--navy); color: var(--navy); }

.card-btn--danger:hover { border-color: var(--clay); color: var(--clay); }

.loading-state {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--parchment);
  opacity: 0.7;
  text-align: center;
  padding: 1.5rem 0;
}

.card-notes {
  margin-top: 0.75rem;
  padding-top: 0.6rem;
  border-top: 1px solid var(--parchment-line);
}

.card-notes summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  list-style: none;
}

.card-notes summary::-webkit-details-marker { display: none; }

.card-notes summary::before {
  content: '▸ ';
}

.card-notes[open] summary::before {
  content: '▾ ';
}

.card-notes p {
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--text-main);
  margin: 0.6rem 0 0;
  white-space: pre-wrap;
}

.empty-state {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--parchment);
  opacity: 0.7;
  grid-column: 1 / -1;
  text-align: center;
  padding: 2rem 0;
}

/* ---------------------------------------------
   Footer
--------------------------------------------- */
.site-footer {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--parchment);
  opacity: 0.5;
  padding: 2rem 1.5rem 3rem;
}

/* ---------------------------------------------
   Responsive
--------------------------------------------- */
@media (max-width: 480px) {
  .field-row { flex-direction: column; }
  .shelf { grid-template-columns: 1fr; }
}

/* Respect reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}
