/* Petalworks Studio — ultra-minimal */

:root {
  --bg: #FAF7F2;
  --ink: #1F1B16;
  --muted: #6B5B47;
  --line: #E8E1D6;
  --paper: #FFFFFF;
  --serif: ui-serif, "New York", "Times New Roman", Cambria, Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", Inter, system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 32px;
  border-bottom: 1px solid var(--line);
}

.mark {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  text-decoration: none;
  color: var(--ink);
}
.logo-img {
  height: 28px;
  display: block;
  align-self: center;
}
.logo-text {
  font-family: var(--serif);
  font-size: 18px;
  letter-spacing: 0.005em;
}
.logo-sub {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

button, input {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

button {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.link {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.01em;
}
.link:hover { color: var(--ink); }

.primary {
  background: var(--ink);
  color: var(--bg);
  padding: 14px 28px;
  font-size: 14px;
  letter-spacing: 0.04em;
}
.primary:hover { opacity: 0.9; }

main {
  padding: 48px 32px 96px;
  max-width: 1200px;
  margin: 0 auto;
  min-height: 70vh;
}

/* Login */
.login {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 320px;
  margin: 96px auto 0;
}
.login input {
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 14px 16px;
  font-size: 15px;
  outline: none;
}
.login input:focus { border-color: var(--ink); }
.login button { background: var(--ink); color: var(--bg); padding: 14px; font-size: 14px; letter-spacing: 0.04em; }
.error { color: #8A2A2A; font-size: 13px; margin: 8px 0 0; }

/* Gallery — intro strip */
.gallery { display: flex; flex-direction: column; gap: 64px; }
.intro {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 0 8px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 32px;
}
.intro-eyebrow {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0;
}
.intro-title {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin: 0;
  line-height: 1.15;
}
.intro-sub {
  font-size: 14px;
  color: var(--muted);
  margin: 0;
}

/* Sections */
.sections { display: flex; flex-direction: column; gap: 64px; }
.tpl-section { display: flex; flex-direction: column; gap: 24px; }
.tpl-section-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
}
.tpl-section-eyebrow {
  font-family: var(--serif);
  font-size: 14px;
  color: var(--muted);
  margin: 0;
  letter-spacing: 0.04em;
}
.tpl-section-title {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin: 0;
}

/* Cards */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
@media (max-width: 880px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .grid { grid-template-columns: 1fr; } }

.card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: left;
  background: none;
}
.card .thumb {
  display: block;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--line);
}
.card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.card:hover .thumb img { transform: scale(1.02); }
.card-meta { display: flex; flex-direction: column; gap: 4px; }
.card .name {
  font-family: var(--serif);
  font-size: 18px;
  letter-spacing: 0.005em;
}
.card-desc {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.01em;
  line-height: 1.45;
}

/* Configure — numbered steps */
.configure {
  max-width: 560px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.configure .back { align-self: flex-start; margin-bottom: 8px; }
.configure .title {
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
}
.step {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 24px 0 4px;
  flex-wrap: wrap;
}
.step-num {
  font-family: var(--serif);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
}
.step-label {
  font-family: var(--serif);
  font-size: 18px;
  letter-spacing: -0.005em;
}
.step-hint {
  font-size: 12px;
  color: var(--muted);
}
.controls {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.control {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.control label {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.options button {
  border: 1px solid var(--line);
  padding: 10px 16px;
  font-size: 13px;
  background: var(--paper);
}
.options button[aria-pressed="true"] {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--bg);
}
.configure .generate { align-self: flex-start; margin-top: 8px; }

/* Generating */
.generating {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  padding-top: 96px;
  position: relative;
}
.generating .back {
  position: absolute;
  top: 16px;
  left: 0;
}
.spinner {
  width: 40px; height: 40px;
  border: 1px solid var(--line);
  border-top-color: var(--ink);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.status { color: var(--muted); font-size: 13px; letter-spacing: 0.04em; }

/* Result grid (4-up) */
.result-grid-wrap {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.result-grid-wrap .back { align-self: flex-start; }
.result-head { display: flex; flex-direction: column; gap: 4px; margin-bottom: 8px; }
.result-eyebrow {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0;
}
.result-grid-wrap .title {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin: 0;
}
.result-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
@media (max-width: 720px) { .result-grid { grid-template-columns: 1fr; } }
.result-tile {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.tile-img {
  position: relative;
  cursor: zoom-in;
  background: var(--line);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  padding: 0;
}
.tile-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.tile-img:hover img { transform: scale(1.01); }
.tile-actions {
  display: flex;
  gap: 16px;
  padding: 4px 0;
}
.tile-actions .link { padding: 4px 0; }
.result-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 24px 0 0;
  border-top: 1px solid var(--line);
  margin-top: 16px;
}
.result-foot .regen-all {
  border: 1px solid var(--ink);
  padding: 12px 24px;
  font-size: 13px;
  letter-spacing: 0.04em;
  background: none;
  color: var(--ink);
}
.result-foot .regen-all:hover { background: var(--ink); color: var(--bg); }

/* Header nav */
.header-nav {
  display: flex;
  gap: 24px;
  align-items: center;
}
.header-nav .link[aria-pressed="true"] { color: var(--ink); }

/* Spend pill */
.spend-pill {
  position: fixed;
  bottom: 16px;
  left: 16px;
  background: var(--ink);
  color: var(--bg);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-feature-settings: "tnum";
  letter-spacing: 0.04em;
  box-shadow: 0 1px 2px rgba(0,0,0,0.06);
  z-index: 100;
}
.spend-pill:hover { opacity: 0.9; }

/* Dialog (spend) */
dialog {
  border: none;
  background: var(--bg);
  padding: 0;
  max-width: 360px;
  width: calc(100% - 32px);
  margin: auto;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
}
dialog::backdrop { background: rgba(31,27,22,0.4); }
.dlg { padding: 24px; }
.dlg-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.dlg-head h3 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
  margin: 0;
  letter-spacing: -0.01em;
}
.dlg-close { font-size: 22px; line-height: 1; }
.dlg-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 14px;
  font-feature-settings: "tnum";
}
.dlg-row + .dlg-row { border-top: 1px solid var(--line); }
.dlg-sep {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 20px 0 4px;
}

/* Preview dialog */
.preview-dialog {
  max-width: 880px;
  width: calc(100% - 32px);
  background: var(--bg);
  padding: 0;
}
.preview {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 32px;
}
.preview-close {
  position: absolute;
  top: 12px;
  right: 16px;
  font-size: 22px;
}
.preview-img {
  width: 100%;
  max-height: 70vh;
  object-fit: contain;
  display: block;
  background: var(--line);
}
.preview-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}
.preview-actions .preview-ref {
  border: 1px solid var(--ink);
  padding: 14px 28px;
  font-size: 14px;
  letter-spacing: 0.04em;
  background: none;
  color: var(--ink);
}
.preview-actions .preview-ref:hover { background: var(--ink); color: var(--bg); }

/* Library */
.lib-head {
  margin-bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 16px;
}
.lib-title {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin: 0;
}
.lib-sub {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
}
.library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
}
.library-empty {
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  padding: 96px 0;
}
.lib-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.lib-thumb {
  display: block;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--line);
  padding: 0;
}
.lib-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.lib-thumb:hover img { transform: scale(1.02); }
.lib-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-family: var(--serif);
}
.lib-name { font-size: 16px; }
.lib-time {
  font-family: var(--sans);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
}
.lib-del {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(31,27,22,0.7);
  color: var(--bg);
  font-size: 18px;
  line-height: 1;
  opacity: 0;
  transition: opacity 0.15s ease;
}
.lib-card:hover .lib-del { opacity: 1; }

/* Reference upload */
.upload-zone {
  display: block;
  border: 1px dashed var(--line);
  background: var(--paper);
  padding: 18px;
  cursor: pointer;
  transition: border-color 0.15s ease;
  text-align: center;
}
.upload-zone:hover { border-color: var(--ink); }
.upload-empty {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.01em;
}
.upload-preview {
  position: relative;
  display: inline-block;
}
.upload-preview img {
  max-width: 200px;
  max-height: 200px;
  display: block;
}
.remove-ref {
  position: absolute;
  top: -10px;
  right: -10px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--bg);
  font-size: 16px;
  line-height: 1;
  border: none;
  cursor: pointer;
}

/* Hidden states */
[hidden] { display: none !important; }