@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css");

:root {
  --bg: #111217;
  --panel: #282932;
  --field: #15161b;
  --ink: #f4f1ea;
  --muted: #a6a19a;
  --line: #3a3b42;
  --line-strong: #737176;
  --soft: #24252b;
  --active: #fcebf3;
  --top-ink: #f7f6f0;
  --top-muted: #a9a9a3;
  --top-line: rgba(255, 255, 255, 0.16);
  --shadow: none;
  --radius: 8px;
  --summary-fixed-height: 848px;
  --preview-page-aspect: 250 / 444;
  --details-open-label: "Hide";
  --details-closed-label: "Show";
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color-scheme: dark;
  font-family: Pretendard, "Avenir Next", "Helvetica Neue", Helvetica, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(252, 235, 243, 0.12), transparent 34rem),
    var(--bg);
}

button,
input,
select,
option {
  font: inherit;
  font-family: Pretendard, "Avenir Next", "Helvetica Neue", Helvetica, sans-serif;
}

.app-shell {
  width: min(1080px, calc(100vw - 32px));
  margin: 22px auto 38px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 64px;
  padding: 0 0 14px;
  border-bottom: 1px solid var(--top-line);
}

.eyebrow {
  margin: 7px 0 0;
  color: var(--top-muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.topbar h1 {
  margin: 0;
  color: var(--top-ink);
  font-size: 30px;
  line-height: 1;
  letter-spacing: 0;
}

.brand-accent {
  color: var(--active);
}

.topbar-brand {
  min-width: 0;
}

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

.language-toggle {
  display: grid;
  width: 66px;
  grid-template-rows: repeat(2, 1fr);
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--field);
  overflow: hidden;
}

.language-option {
  min-height: 34px;
  border: 0;
  background: var(--field);
  color: var(--muted);
  cursor: pointer;
  font-size: 14px;
  font-weight: 850;
  letter-spacing: 0.04em;
}

.language-option + .language-option {
  border-top: 1px solid var(--line);
}

.language-option:hover {
  color: var(--ink);
}

.language-option.active {
  background: var(--active);
  color: #151515;
}

.language-option:focus-visible {
  outline: 2px solid var(--active);
  outline-offset: -3px;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 14px;
  margin-top: 14px;
  align-items: start;
}

.section-stack {
  display: grid;
  gap: 10px;
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.panel,
.sidebar-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.panel {
  overflow: hidden;
  padding: 0;
}

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

.section-head {
  min-height: 52px;
  margin: 0;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
}

.sidebar-head {
  margin-bottom: 12px;
}

.section-head h2,
.sidebar-head h2 {
  margin: 0;
  font-size: 18px;
  line-height: 1.1;
  letter-spacing: 0;
}

.panel > .preset-grid,
.panel > .field-grid {
  padding: 14px 16px 16px;
}

.preset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
  gap: 7px;
}

.preset-card {
  min-height: 38px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--soft);
  color: var(--ink);
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  text-align: center;
}

.preset-card:hover {
  border-color: var(--line-strong);
}

.preset-card.active {
  border-color: var(--active);
  background: var(--active);
  color: #151515;
}

.field-grid {
  display: grid;
  gap: 9px;
}

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

.basics-grid {
  grid-template-areas:
    "pdf design"
    "color date"
    "color months"
    "color name";
  align-items: start;
}

.basics-pdf {
  grid-area: pdf;
}

.basics-design {
  grid-area: design;
}

.basics-color {
  grid-area: color;
}

.basics-date {
  grid-area: date;
}

.basics-months {
  grid-area: months;
}

.basics-name {
  grid-area: name;
}

.field-grid.three,
.compact-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.field.wide {
  grid-column: 1 / -1;
}

.field {
  display: grid;
  gap: 6px;
}

.field span {
  color: var(--active);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

input[type="date"],
input[type="text"],
input[type="password"],
input[type="number"],
select {
  width: 100%;
  min-height: 40px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--field);
  color: var(--ink);
  font-family: Pretendard, "Avenir Next", "Helvetica Neue", Helvetica, sans-serif;
  font-size: 14px;
  font-weight: 500;
  outline: none;
}

option {
  background: var(--field);
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
}

.palette-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(92px, 1fr));
  gap: 7px;
}

.palette-chip {
  min-height: 40px;
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  align-items: center;
  gap: 7px;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--field);
  color: var(--ink);
  cursor: pointer;
  font-family: Pretendard, "Avenir Next", "Helvetica Neue", Helvetica, sans-serif;
  font-size: 12px;
  font-weight: 700;
  text-align: left;
}

.palette-chip:hover {
  border-color: var(--line-strong);
}

.palette-chip.active {
  border-color: var(--active);
  background: var(--soft);
  box-shadow: inset 0 0 0 1px var(--active);
}

.palette-chip-swatch {
  width: 22px;
  height: 22px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--swatch);
}

.palette-chip-swatch.default {
  background:
    linear-gradient(135deg, transparent 44%, var(--line) 45%, var(--line) 55%, transparent 56%),
    var(--soft);
}

input:focus,
select:focus {
  border-color: var(--ink);
}

.toggle-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 7px;
}

.toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 9px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--field);
  font-size: 13px;
  font-weight: 650;
}

.toggle:has(input:checked) {
  border-color: var(--line-strong);
}

.toggle.locked {
  cursor: not-allowed;
}

.toggle.inline {
  min-height: 40px;
}

.options-panel {
  padding: 0;
}

.options-panel summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 52px;
  padding: 0 16px;
  cursor: pointer;
  list-style: none;
}

.options-panel summary::-webkit-details-marker {
  display: none;
}

.options-panel summary span {
  font-size: 18px;
  font-weight: 750;
}

.options-panel summary::after {
  content: var(--details-open-label);
  margin-left: auto;
  min-width: 42px;
  padding: 5px 8px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--soft);
  color: var(--ink);
  font-size: 11px;
  font-weight: 600;
  line-height: 1;
  text-align: center;
  text-transform: uppercase;
}

.options-panel:not([open]) summary::after {
  content: var(--details-closed-label);
}

.options-panel[open] summary {
  border-bottom: 1px solid var(--line);
}

.options-panel .toggle-grid,
.advanced-grid {
  padding: 14px 16px 16px;
}

.advanced-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 9px;
}

.toggle input {
  width: 16px;
  height: 16px;
  margin: 0;
  accent-color: var(--active);
}

.toggle input:disabled,
input:disabled,
select:disabled {
  cursor: not-allowed;
  opacity: 0.8;
}

.sidebar-card {
  display: flex;
  flex-direction: column;
  height: var(--summary-fixed-height);
  min-height: 0;
  padding: 16px;
}

.sidebar {
  align-self: start;
}

.editor,
.sidebar {
  position: relative;
  z-index: 1;
}

.sticky {
  position: static;
}

.summary-grid {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.summary-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
}

.summary-item span {
  color: var(--active);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.summary-item strong {
  font-size: 13px;
  line-height: 1.3;
  text-align: right;
  overflow-wrap: anywhere;
}

.summary-item-wide {
  display: grid;
  gap: 6px;
}

.summary-item-wide strong {
  text-align: left;
}

.summary-list {
  color: var(--ink);
  line-height: 1.4;
}

.summary-actions {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.summary-buttons {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.generate-button,
.download-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: var(--radius);
  text-decoration: none;
  font-size: 14px;
  font-weight: 750;
}

.generate-button {
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--bg);
  cursor: pointer;
}

.generate-button:disabled {
  cursor: wait;
  opacity: 0.72;
}

.generate-button.compact {
  min-width: 104px;
}

.download-link {
  border: 1px solid var(--active);
  background: var(--active);
  color: #151515;
}

.hidden {
  display: none;
}

.auth-modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(17, 18, 23, 0.74);
}

.auth-modal.hidden {
  display: none;
}

.auth-dialog {
  width: min(100%, 360px);
  display: grid;
  gap: 12px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 18px 52px rgba(0, 0, 0, 0.36);
}

.auth-dialog h2 {
  margin: 0;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: 0;
}

.auth-dialog p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.auth-error {
  color: #ffb0a8;
}

.auth-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 2px;
}

.auth-primary,
.auth-secondary {
  min-height: 40px;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 750;
}

.auth-primary {
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--bg);
}

.auth-secondary {
  border: 1px solid var(--line);
  background: var(--field);
  color: var(--ink);
}

.auth-primary:disabled {
  cursor: wait;
  opacity: 0.7;
}

.preview-head {
  margin-top: 24px;
}

.preview-head h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.1;
  letter-spacing: 0;
}

.preview-shell {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) 28px;
  flex: 1;
  align-items: stretch;
  gap: 8px;
  margin-top: 10px;
  min-height: 260px;
}

.preview-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.preview-arrow::before {
  content: "";
  display: block;
  width: 0;
  height: 0;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
}

.preview-arrow-prev::before {
  border-right: 11px solid var(--ink);
}

.preview-arrow-next::before {
  border-left: 11px solid var(--ink);
}

.preview-arrow:disabled {
  cursor: default;
  opacity: 0.24;
}

.preview-strip {
  display: flex;
  align-items: center;
  flex: 1;
  gap: 10px;
  height: 100%;
  margin-top: 0;
  min-height: 0;
  overflow-x: auto;
  padding-bottom: 4px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.preview-empty {
  display: flex;
  flex: 1 0 100%;
  align-self: center;
  align-items: center;
  justify-content: center;
  height: 300px;
  max-height: 82%;
  padding: 12px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 13px;
  background: var(--soft);
}

.preview-card {
  display: flex;
  align-self: center;
  flex: 0 0 100%;
  flex-direction: column;
  margin: auto 0;
  min-width: 0;
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--field);
  overflow: hidden;
  scroll-snap-align: start;
}

.preview-card img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: var(--preview-page-aspect);
  min-height: 0;
  flex: 0 0 auto;
  object-fit: contain;
  object-position: center center;
  background: #ffffff;
}

.pdf-preview-card {
  height: min(560px, 100%);
  min-height: 360px;
}

.pdf-preview-frame {
  display: block;
  width: 100%;
  flex: 1 1 auto;
  min-height: 0;
  border: 0;
  background: #ffffff;
}

.preview-card p {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 0;
  padding: 8px 10px;
  background: var(--field);
  color: var(--muted);
  font-size: 12px;
}

.preview-card strong {
  color: var(--ink);
  font-size: 13px;
}

.preview-card span {
  white-space: nowrap;
}

@media (max-width: 1040px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .sidebar-card {
    height: auto;
    min-height: 0;
  }

  .sticky {
    position: static;
  }
}

@media (max-width: 820px) {
  .topbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    justify-content: stretch;
  }

  .panel-grid,
  .field-grid.two,
  .compact-grid,
  .advanced-grid,
  .preset-grid,
  .toggle-grid {
    grid-template-columns: 1fr;
  }

  .basics-grid {
    grid-template-areas:
      "pdf"
      "design"
      "color"
      "date"
      "months"
      "name";
  }

  .generate-button.compact,
  .download-link {
    width: 100%;
  }
}

@media (max-width: 560px) {
  .app-shell {
    width: min(100vw - 20px, 1160px);
    margin: 14px auto 28px;
  }

  .topbar h1 {
    font-size: 28px;
  }

  .sidebar-card {
    padding: 14px;
  }

  .panel {
    padding: 0;
  }

  .section-head,
  .options-panel summary {
    padding: 0 14px;
  }

  .panel > .preset-grid,
  .panel > .field-grid,
  .options-panel .toggle-grid,
  .advanced-grid {
    padding: 12px 14px 14px;
  }
}