/* =============================================================================
   Event Photo Quest — shared, guest & gallery styles
   Rebrandable via the CSS variables in :root. Mobile-first.
   ============================================================================= */

:root {
  /* Brand palette — change these to rebrand the whole app. */
  --c-bg:        #f6f4ef;   /* warm paper */
  --c-surface:   #ffffff;
  --c-ink:       #2c2a26;   /* near-black warm */
  --c-ink-soft:  #6b665d;
  --c-line:      #e6e1d8;
  --c-accent:    #7d8a6f;   /* sage */
  --c-accent-d:  #616e54;
  --c-accent-2:  #c9a96a;   /* champagne gold */
  --c-danger:    #b4554b;
  --c-danger-d:  #8f4138;
  --c-ok:        #4f7d5a;
  --c-info:      #4a6b86;

  --radius:      14px;
  --radius-sm:   9px;
  --shadow:      0 2px 4px rgba(44,42,38,.05), 0 10px 28px rgba(44,42,38,.07);
  --shadow-sm:   0 1px 2px rgba(44,42,38,.06), 0 3px 10px rgba(44,42,38,.05);

  --font-body:   -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-head:   "Hoefler Text", "Iowan Old Style", Palatino, "Palatino Linotype", Georgia, serif;

  --maxw:        720px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--c-ink);
  background: var(--c-bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--c-accent-d); }

img { max-width: 100%; display: block; }

/* ---- Buttons (shared) ---------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .5em;
  font: inherit; font-weight: 600;
  padding: .7em 1.25em;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: #eceae4;
  color: var(--c-ink);
  cursor: pointer;
  text-decoration: none;
  transition: transform .04s ease, background .15s ease, box-shadow .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--c-accent); color: #fff; }
.btn-primary:hover { background: var(--c-accent-d); }
.btn-ghost { background: transparent; border-color: var(--c-line); color: var(--c-ink); }
.btn-ghost:hover { border-color: var(--c-accent); color: var(--c-accent-d); }
.btn-danger { background: var(--c-danger); color: #fff; }
.btn-danger:hover { background: var(--c-danger-d); }
.btn-block { display: flex; width: 100%; }
.btn-lg { padding: .95em 1.4em; font-size: 1.05rem; }
.btn[disabled] { opacity: .55; cursor: default; }

/* ---- Chips (shared) ------------------------------------------------------ */
.chip {
  display: inline-flex; align-items: center; gap: .35em;
  font: inherit; font-size: .82rem; font-weight: 600;
  padding: .4em .75em;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  background: var(--c-surface);
  color: var(--c-ink);
  text-decoration: none;
  cursor: pointer;
  transition: background .12s ease, border-color .12s ease, color .12s ease;
}
.chip:hover { border-color: var(--c-accent); }
.chip.active { background: var(--c-accent); border-color: var(--c-accent); color: #fff; }
.chip-danger { color: var(--c-danger-d); border-color: #e6cdc9; }
.chip-danger:hover { background: var(--c-danger); border-color: var(--c-danger); color: #fff; }

/* ---- Cards / flashes (shared) ------------------------------------------- */
.card {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 1.25rem 1.25rem;
}

.flash {
  border-radius: var(--radius-sm);
  padding: .8rem 1rem;
  margin: 0 0 1rem;
  font-size: .95rem;
  border: 1px solid var(--c-line);
  background: var(--c-surface);
}
.flash-error   { background: #fbeeec; border-color: #eccac4; color: var(--c-danger-d); }
.flash-info    { background: #eef3f7; border-color: #cfe0ec; color: var(--c-info); }
.flash-success { background: #eef5ef; border-color: #cfe4d4; color: var(--c-ok); }

.muted { color: var(--c-ink-soft); }
.small { font-size: .85rem; }
.tiny  { font-size: .78rem; }

/* =============================================================================
   GUEST upload pages
   ============================================================================= */
body.guest { background: var(--c-bg); }

.guest-wrap {
  max-width: 560px;
  margin: 0 auto;
  padding: clamp(1rem, 4vw, 2rem) 1.1rem 3rem;
  padding-top: max(1.25rem, env(safe-area-inset-top));
}

.guest-head { text-align: center; margin: .5rem 0 1.4rem; }

/* Brand logo (optional — appears only if the file exists) */
.brand-logo-link { display: inline-block; margin: 0 0 1rem; }
.brand-logo {
  display: block; margin: 0 auto;
  max-height: 64px; max-width: min(260px, 70vw);
  width: auto; height: auto;
}
.guest-foot a { color: inherit; font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }
.guest-kicker {
  text-transform: uppercase; letter-spacing: .18em;
  font-size: .7rem; font-weight: 700; color: var(--c-accent-d);
  margin: 0 0 .4rem;
}
.guest-title {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(1.7rem, 6vw, 2.3rem);
  line-height: 1.15;
  margin: 0;
}
.guest-table {
  margin: .5rem 0 0;
  font-weight: 600;
  color: var(--c-accent-d);
}

.welcome-card { margin-bottom: 1.1rem; }
.welcome-card p { margin: 0; }

.guest-intro {
  text-align: center; color: var(--c-ink-soft);
  margin: 0 0 1.1rem;
}

/* Prompt cards — the signature visual moment */
.prompt-cards { display: grid; gap: .85rem; margin-bottom: 1.4rem; }
.prompt-card {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas: "num body" "num cta";
  gap: .15rem .9rem;
  align-items: start;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 1rem 1.1rem;
  cursor: pointer;
  transition: border-color .15s ease, box-shadow .15s ease, transform .04s ease;
}
.prompt-card:active { transform: translateY(1px); }
.prompt-card.has-photo { border-color: var(--c-accent); box-shadow: var(--shadow); }
.prompt-num {
  grid-area: num;
  width: 2rem; height: 2rem;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--c-accent-2); color: #4a3c1d;
  font-family: var(--font-head); font-weight: 700;
}
.prompt-card.has-photo .prompt-num { background: var(--c-accent); color: #fff; }
.prompt-body { grid-area: body; font-size: 1.06rem; font-weight: 600; }
.prompt-input {
  position: absolute; width: 1px; height: 1px;
  opacity: 0; overflow: hidden; clip: rect(0 0 0 0);
}
.prompt-cta {
  grid-area: cta;
  font-size: .9rem; font-weight: 600; color: var(--c-accent-d);
  margin-top: .35rem;
}
.prompt-chosen {
  grid-area: cta;
  font-size: .9rem; color: var(--c-ink-soft);
  margin-top: .35rem;
  display: none;
}
.prompt-card.has-photo .prompt-cta { display: none; }
.prompt-card.has-photo .prompt-chosen { display: block; color: var(--c-accent-d); font-weight: 600; }

/* Fields */
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-weight: 600; margin-bottom: .4rem; }
.field input[type="text"],
.field input[type="email"],
.field input[type="password"],
.field input[type="number"],
.field input[type="datetime-local"],
.field input[type="date"],
.field select,
.field textarea {
  width: 100%;
  font: inherit;
  padding: .7em .8em;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  background: var(--c-surface);
  color: var(--c-ink);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--c-accent); outline-offset: 1px; border-color: var(--c-accent);
}

.upload-status {
  margin: 0 0 1rem; padding: .7rem .9rem;
  border-radius: var(--radius-sm);
  background: #eef3f7; border: 1px solid #cfe0ec; color: var(--c-info);
  font-size: .92rem;
}
.upload-status.is-error { background: #fbeeec; border-color: #eccac4; color: var(--c-danger-d); }

.privacy-note {
  margin: 1rem 0 0; font-size: .82rem; color: var(--c-ink-soft);
  text-align: center; line-height: 1.45;
}
.gallery-link-row { text-align: center; margin: 1.4rem 0 0; }
.gallery-link-row a { font-weight: 600; }

/* Success / closed states */
.success-card { text-align: center; }
.success-mark {
  width: 3.2rem; height: 3.2rem; margin: 0 auto .6rem;
  display: grid; place-items: center;
  border-radius: 50%; background: var(--c-ok); color: #fff;
  font-size: 1.7rem;
}
.success-card h2 { font-family: var(--font-head); margin: 0 0 .4rem; }
.success-actions { display: grid; gap: .6rem; margin-top: 1.2rem; }
.closed-card { text-align: center; }
.closed-card h2 { font-family: var(--font-head); }

.guest-foot {
  text-align: center; margin-top: 2.5rem;
  font-size: .76rem; color: var(--c-ink-soft);
}

/* =============================================================================
   GALLERY
   ============================================================================= */
body.gallery-page { background: var(--c-bg); }
.gallery-wrap {
  max-width: 1100px; margin: 0 auto;
  padding: clamp(1rem, 4vw, 2rem) 1.1rem 3rem;
}
.gallery-head { margin-bottom: 1.2rem; }

.gallery-filters { display: grid; gap: .7rem; margin: 0 0 1.3rem; }
.gf-group { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem; }
.gf-label {
  font-size: .72rem; text-transform: uppercase; letter-spacing: .12em;
  font-weight: 700; color: var(--c-ink-soft); margin-right: .25rem;
}
.gallery-count { font-size: .85rem; color: var(--c-ink-soft); margin: 0 0 .8rem; }

/* Masonry via CSS columns (broad browser support, no JS layout needed) */
.masonry { column-count: 2; column-gap: .8rem; }
@media (min-width: 640px)  { .masonry { column-count: 3; } }
@media (min-width: 980px)  { .masonry { column-count: 4; } }
.m-item {
  break-inside: avoid; margin: 0 0 .8rem;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.m-link { display: block; }
.m-link img { width: 100%; height: auto; }
.m-cap { padding: .55rem .65rem .65rem; }
.m-prompt { display: block; font-size: .82rem; font-weight: 600; line-height: 1.25; }
.m-meta { display: block; font-size: .74rem; color: var(--c-ink-soft); margin-top: .2rem; }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(20,18,15,.92);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 1rem;
}
.lightbox[hidden] { display: none; }
.lb-img {
  max-width: 96vw; max-height: 82vh; width: auto; height: auto;
  border-radius: 6px; box-shadow: 0 10px 40px rgba(0,0,0,.5);
}
.lb-close {
  position: absolute; top: .8rem; right: .8rem;
  width: 2.6rem; height: 2.6rem; border-radius: 50%;
  border: none; background: rgba(255,255,255,.15); color: #fff;
  font-size: 1.2rem; cursor: pointer;
}
.lb-close:hover { background: rgba(255,255,255,.28); }
.lb-cap { color: #f4f1ea; text-align: center; margin-top: .9rem; max-width: 90vw; }
.lb-cap span { display: block; }
.lb-cap #lbPrompt { font-weight: 600; }
.lb-cap #lbMeta { font-size: .85rem; opacity: .8; margin-top: .2rem; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}