:root {
  font-family: "Pretendard", "Noto Sans KR", system-ui, sans-serif;
  color: #203038;
  background: #f7f9fa;
  font-synthesis: none;
  --accent: #087e77;
  --border: #dfe6e8;
  --muted: #677b84;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
button,
input,
textarea,
select {
  font: inherit;
}
button {
  border: 1px solid var(--border);
  background: white;
  color: #354a53;
  border-radius: 7px;
  padding: 9px 13px;
  cursor: pointer;
  white-space: nowrap;
  font-size: 13px;
  font-weight: 600;
  transition: background 0.15s;
}
button:hover {
  background: #edf3f3;
}
button:disabled {
  opacity: 0.45;
  cursor: default;
}
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid #72beb9;
  outline-offset: 2px;
}
input,
textarea,
select {
  border: 1px solid #cdd9dd;
  border-radius: 6px;
  padding: 9px;
  width: 100%;
  color: #263d46;
  background: #fff;
  font-size: 14px;
}
textarea {
  resize: vertical;
  line-height: 1.6;
}
label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: #526973;
}
label input,
label textarea,
label select {
  margin-top: 7px;
}
.primary {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}
.primary:hover {
  background: #05655f;
}
.quiet,
.plain,
.text-button {
  border-color: transparent;
  background: transparent;
}
.text-button {
  color: var(--accent);
  padding: 3px;
}
.danger-text {
  color: #a13b3b;
  background: transparent;
}
.muted {
  color: var(--muted);
  font-size: 13px;
}
[hidden] {
  display: none !important;
}
.topbar {
  height: 70px;
  display: flex;
  align-items: center;
  padding: 0 30px;
  border-bottom: 1px solid var(--border);
  background: #fff;
  gap: 30px;
}
.wordmark {
  font-size: 22px;
  font-weight: 850;
  letter-spacing: -1px;
  color: #1e353c;
}
.wordmark span {
  font-weight: 400;
  color: var(--accent);
  margin-left: 5px;
}
.top-caption {
  font-size: 12px;
  color: #6c7e85;
  margin-right: auto;
}
.badge {
  padding: 6px 9px;
  background: #edf5f3;
  font-size: 11px;
  color: #326e63;
  border-radius: 5px;
}
.sidebar {
  width: 210px;
  flex-shrink: 0;
  background: #fff;
  border-right: 1px solid var(--border);
  padding: 32px 16px;
  min-height: calc(100dvh - 70px);
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.nav-label {
  font-size: 11px;
  color: #85969d;
  letter-spacing: 0.08em;
  padding: 0 12px 15px;
}
.nav-item {
  text-align: left;
  border: 0;
  font-size: 13px;
  padding: 12px;
}
.nav-item.selected {
  background: #e8f3f0;
  color: #07695f;
}
.sidebar-note {
  margin-top: auto;
  font-size: 12px;
  line-height: 1.8;
  color: #81929a;
  padding: 36px 12px 0;
}
#library {
  display: flex;
}
.library-main {
  padding: 50px 48px;
  flex: 1;
  min-width: 0;
}
.library-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.eyebrow {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.17em;
  color: #5c817e;
}
h1 {
  font-size: 30px;
  letter-spacing: -1px;
  margin: 12px 0;
}
p {
  line-height: 1.7;
}
.library-head p {
  font-size: 14px;
  color: var(--muted);
  margin: 0;
}
.actions {
  display: flex;
  gap: 9px;
}
.library-tools {
  margin: 36px 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.search {
  display: flex;
  align-items: center;
  width: 340px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0 12px;
  font-size: 25px;
  color: #84949b;
}
.search input {
  border: 0;
  background: transparent;
  margin: 0;
  outline: none;
}
.deck-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 26px;
}
.deck-card {
  overflow: hidden;
  background: white;
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 3px 12px #1b344004;
}
.cover {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #122332;
  cursor: pointer;
}
.cover iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 1920px;
  height: 1080px;
  transform-origin: 0 0;
  pointer-events: none;
  border: 0;
}
.cover:after {
  content: "발표 자료 열기 ↗";
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: #ffffffed;
  padding: 7px 10px;
  border-radius: 5px;
  font-size: 11px;
  color: #29474d;
  opacity: 0;
  transition: opacity 0.2s;
}
.cover:hover:after {
  opacity: 1;
}
.deck-info {
  padding: 18px;
}
.deck-name {
  text-align: left;
  padding: 0;
  border: 0;
  font-size: 16px;
  line-height: 1.5;
  white-space: normal;
  background: transparent;
  display: block;
}
.deck-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 11px;
  color: #7d8e96;
  margin-top: 12px;
}
.deck-actions {
  display: flex;
  gap: 5px;
  border-top: 1px solid #eef2f3;
  margin-top: 14px;
  padding-top: 12px;
}
.deck-actions button {
  font-size: 11px;
  padding: 5px 8px;
}
.empty {
  text-align: center;
  border: 1px dashed #c4d4d5;
  border-radius: 12px;
  background: linear-gradient(150deg, #fff, #f1f7f5);
  padding: 70px 20px;
}
.empty-symbol {
  font-size: 68px;
  color: #4d9186;
}
.empty h2 {
  font-size: 20px;
  letter-spacing: -0.6px;
}
.empty p {
  color: var(--muted);
  font-size: 14px;
}
.empty .actions {
  justify-content: center;
  margin: 25px 0;
}
.empty small {
  color: #7a9196;
  font-size: 11px;
}
.import-note {
  font-size: 12px;
  color: #74878d;
  margin-top: 28px;
  line-height: 1.7;
}
.editor-toolbar {
  height: 65px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 18px;
  background: #fff;
  border-bottom: 1px solid var(--border);
}
#deckTitle {
  width: 300px;
  border-color: transparent;
  font-weight: 650;
}
#saveStatus {
  font-size: 11px;
  color: #718780;
  white-space: nowrap;
}
.toolbar-spacer {
  flex: 1;
}
.editor-body {
  display: grid;
  grid-template-columns: 192px minmax(0, 1fr) 265px;
  height: calc(100dvh - 135px);
  min-height: 550px;
}
.slide-rail {
  background: #fff;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.rail-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px;
  font-size: 12px;
}
.rail-head button {
  padding: 3px 8px;
}
#slideList {
  padding: 0 12px;
  overflow-y: auto;
  flex: 1;
}
.slide-item {
  display: block;
  text-align: left;
  width: 100%;
  border: 1px solid #e3e9eb;
  padding: 12px;
  margin-bottom: 9px;
  white-space: normal;
  font-size: 11px;
  line-height: 1.5;
  min-height: 67px;
}
.slide-item span {
  display: block;
  color: #8ba0a5;
  font-size: 10px;
  margin-bottom: 4px;
}
.slide-item.selected {
  border: 2px solid var(--accent);
  padding: 11px;
  background: #f2f9f7;
  color: #19574f;
}
.slide-actions {
  padding: 10px;
  display: flex;
  gap: 4px;
  border-top: 1px solid var(--border);
}
.slide-actions button {
  font-size: 11px;
  padding: 7px;
}
.canvas-main {
  background: #e9eeef;
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding: 0 25px;
}
.canvas-tools,
.canvas-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #71858b;
  font-size: 11px;
  height: 50px;
  flex-shrink: 0;
}
.canvas-tools span:first-child {
  color: #3d5a60;
  font-weight: 650;
}
.canvas-tools span:nth-child(2) {
  font-size: 10px;
}
.size-label {
  border: 1px solid #cfdadc;
  padding: 3px 7px;
  border-radius: 4px;
}
#canvasWrap {
  aspect-ratio: 16/9;
  width: 100%;
  margin: auto 0;
  position: relative;
  background: #101c27;
  box-shadow: 0 12px 35px #17333f20;
  overflow: hidden;
}
#deckFrame {
  border: 0;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.canvas-footer {
  font-size: 10px;
}
.inspector {
  background: white;
  border-left: 1px solid var(--border);
  padding: 0 18px 25px;
  overflow-y: auto;
}
.inspector-tabs {
  height: 50px;
  display: flex;
  align-items: center;
  gap: 18px;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
}
.inspector-tabs strong {
  color: var(--accent);
}
.inspector-tabs span {
  color: #8a989e;
  font-size: 11px;
}
.add-tools {
  display: flex;
  gap: 5px;
  padding: 17px 0;
}
.add-tools button {
  padding: 8px 10px;
  font-size: 11px;
}
#noSelection p {
  color: #819398;
  font-size: 12px;
  padding: 25px 0;
  line-height: 1.9;
}
.prop-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 17px 0;
}
.prop-grid input {
  font-size: 12px;
  padding: 8px;
}
.prop-grid input[type="color"] {
  height: 33px;
  padding: 3px;
}
.background-panel {
  border-top: 1px solid var(--border);
  padding-top: 18px;
  margin-top: 24px;
}
.background-panel h3 {
  font-size: 12px;
}
.background-panel p {
  font-size: 10px;
  color: #819398;
}
.switch-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 18px 0;
}
.switch-row input {
  width: 16px;
  margin: 0;
  accent-color: var(--accent);
}
#removeElementBtn {
  font-size: 11px;
  width: 100%;
}
#replaceImageBtn {
  width: 100%;
}
.mobile-note {
  display: none;
}
#toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: #203d43;
  color: white;
  padding: 13px 22px;
  border-radius: 8px;
  z-index: 1000;
  font-size: 13px;
  box-shadow: 0 6px 24px #0002;
  max-width: 90vw;
}
#login {
  min-height: 100dvh;
  display: grid;
  place-items: center;
}
#loginForm {
  background: white;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 42px;
  width: 400px;
  max-width: 90vw;
}
#loginForm h1 {
  font-size: 24px;
  margin-top: 35px;
}
#loginForm p {
  font-size: 13px;
  color: var(--muted);
}
#loginForm button {
  width: 100%;
  margin-top: 22px;
}
dialog {
  border: 1px solid var(--border);
  border-radius: 13px;
  box-shadow: 0 20px 100px #122c3b44;
  width: 520px;
  max-width: 95vw;
  padding: 24px;
}
dialog::backdrop {
  background: #0e263c66;
}
.dialog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.dialog-head h2 {
  font-size: 20px;
  margin: 0;
}
.dialog-head button {
  padding: 4px 10px;
  font-size: 20px;
}
.dialog-body p,
#dialogBody p {
  font-size: 13px;
  color: #647c85;
}
#dialogBody .export-option {
  display: block;
  width: 100%;
  text-align: left;
  padding: 15px;
  margin: 10px 0;
  white-space: normal;
}
#dialogBody .export-option small {
  display: block;
  font-weight: 400;
  color: #758b93;
  margin-top: 5px;
  line-height: 1.5;
}
.version-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
  font-size: 12px;
}
#busyOverlay {
  position: fixed;
  inset: 0;
  background: #f7fafbf5;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 200;
}
#busyOverlay p {
  font-size: 12px;
  color: #6a818a;
}
.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid #d5e8e4;
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 22px;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}
@media (max-width: 1100px) {
  .editor-body {
    grid-template-columns: 145px minmax(0, 1fr) 230px;
  }
  .editor-toolbar {
    gap: 5px;
    padding: 0 8px;
  }
  .editor-toolbar button {
    padding: 8px;
  }
  #deckTitle {
    width: 180px;
  }
  .top-caption {
    display: none;
  }
  .library-main {
    padding: 32px 25px;
  }
  .sidebar {
    width: 175px;
  }
}
@media (max-width: 760px) {
  .topbar {
    padding: 0 16px;
    height: 60px;
  }
  .topbar .wordmark {
    margin-right: auto;
  }
  .sidebar {
    display: none;
  }
  .library-main {
    padding: 25px 18px;
  }
  .library-head {
    display: block;
  }
  .library-head .actions {
    margin-top: 22px;
  }
  .library-tools {
    margin-top: 25px;
  }
  .search {
    width: 70%;
  }
  .editor-toolbar {
    height: auto;
    min-height: 90px;
    flex-wrap: wrap;
    padding: 12px;
  }
  .toolbar-spacer {
    display: none;
  }
  #deckTitle {
    width: calc(100% - 100px);
  }
  .editor-body {
    display: flex;
    height: auto;
    min-height: 0;
  }
  .slide-rail,
  .inspector {
    display: none;
  }
  .canvas-main {
    width: 100%;
    padding: 0 12px;
  }
  #canvasWrap {
    margin: 20px 0;
  }
  .canvas-tools span:nth-child(2) {
    display: none;
  }
  .canvas-footer {
    display: none;
  }
  .mobile-note {
    display: block;
    background: #e7f2ef;
    color: #3e736b;
    font-size: 12px;
    line-height: 1.6;
    padding: 12px 18px;
  }
  #logoutBtn {
    display: none;
  }
  .deck-grid {
    grid-template-columns: 1fr;
  }
  input,
  textarea,
  select {
    font-size: 16px;
  }
}
.files-dialog {
  width: 760px;
}
.file-summary {
  display: block;
  margin: 18px 0;
}
.file-list {
  max-height: 50vh;
  overflow: auto;
  margin-top: 20px;
}
.file-row {
  display: flex;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  border-top: 1px solid var(--border);
}
.file-row > div:first-child {
  min-width: 0;
  overflow-wrap: anywhere;
}
.file-row strong {
  font-size: 13px;
}
.file-row small {
  display: block;
  color: var(--muted);
  margin-top: 5px;
}
.file-row .actions {
  flex-shrink: 0;
  font-size: 12px;
}
#passwordForm label {
  display: block;
  margin: 16px 0;
}
#passwordError {
  color: #a13b3b;
}
@media (max-width: 600px) {
  .file-row {
    align-items: flex-start;
    flex-direction: column;
  }
}