@font-face {
  font-family: "GenZenGothicKai";
  src: url("./fonts/GenZenGothic改.ttf") format("truetype");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --bg: #0e0f11;
  --sidebar: #111214;
  --panel: #15171a;
  --panel-2: #1a1c20;
  --line: #292c31;
  --line-strong: #3a3e45;
  --text: #f1f2f4;
  --muted: #969ca6;
  --subtle: #6f7580;
  --accent: #9eb7ef;
  --accent-soft: rgba(158, 183, 239, .12);
  --danger: #e99a9a;
  --app-font-family: "GenZenGothicKai", "Noto Sans JP", "Yu Gothic UI", system-ui, sans-serif;
  font-family: var(--app-font-family);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--text); }
body { min-height: 100vh; }
button, input, select, textarea { font: inherit; }
a { color: var(--accent); }
button { cursor: pointer; }

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 20px 12px;
  border-right: 1px solid var(--line);
  background: var(--sidebar);
}

.brand { padding: 2px 10px 20px; }
.brand h1 { margin: 0; font-size: 16px; font-weight: 700; letter-spacing: .01em; }
.brand p { margin: 4px 0 0; color: var(--subtle); font-size: 11px; }

.tool-nav { display: grid; gap: 3px; overflow-y: auto; }
.nav-button {
  width: 100%;
  min-height: 42px;
  display: grid;
  grid-template-columns: 28px 1fr;
  align-items: center;
  gap: 9px;
  padding: 7px 10px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  text-align: left;
}
.nav-button:hover { background: rgba(255,255,255,.035); color: var(--text); }
.nav-button.active { background: var(--accent-soft); border-color: rgba(158,183,239,.18); color: var(--text); }
.nav-icon { display: grid; place-items: center; width: 26px; height: 26px; color: var(--subtle); font-size: 12px; }
.nav-button.active .nav-icon { color: var(--accent); }
.nav-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; font-weight: 650; }
.sidebar-foot { margin-top: auto; padding: 16px 10px 0; color: var(--subtle); font-size: 10px; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.sidebar-link { padding: 0; border: 0; background: transparent; color: var(--muted); font: inherit; }
.sidebar-link:hover { color: var(--text); text-decoration: underline; }

.workspace { min-width: 0; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(14,15,17,.94);
  backdrop-filter: blur(10px);
}
.topbar h2 { margin: 0; font-size: 18px; font-weight: 650; }
.tool-root { padding: 20px 24px 36px; }
.tool-layout { display: grid; grid-template-columns: minmax(300px, 400px) minmax(420px, 1fr); gap: 14px; align-items: start; }
.tool-column { display: grid; gap: 14px; min-width: 0; }

.panel { overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); }
.panel-head { padding: 14px 16px 11px; border-bottom: 1px solid var(--line); }
.panel-head h3 { margin: 0; font-size: 13px; font-weight: 650; }
.panel-head p { margin: 4px 0 0; color: var(--muted); font-size: 11px; line-height: 1.5; }
.panel-head p:empty { display: none; }
.panel-body { padding: 15px 16px 17px; }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 11px; }
.form-grid.single { grid-template-columns: 1fr; }
.form-grid.three { grid-template-columns: repeat(3, minmax(0,1fr)); }
.field { display: grid; gap: 6px; min-width: 0; }
.field.full { grid-column: 1 / -1; }
.field label { color: #cbd0d7; font-size: 11px; font-weight: 600; }
.field small { color: var(--subtle); font-size: 10px; line-height: 1.45; }
.input, .select, .textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  outline: none;
  background: #101215;
  color: var(--text);
}
.input, .select { min-height: 38px; padding: 7px 9px; }
.textarea { min-height: 100px; padding: 9px; resize: vertical; line-height: 1.55; }
.input:focus, .select:focus, .textarea:focus { border-color: var(--accent); }
.input[type="color"] { padding: 3px; }
.input[type="file"] { padding: 6px; }
.checkbox-row { min-height: 38px; display: flex; align-items: center; gap: 8px; color: #cbd0d7; font-size: 11px; }
.checkbox-row input { accent-color: var(--accent); }

.advanced { margin-top: 13px; border-top: 1px solid var(--line); padding-top: 11px; }
.advanced summary { cursor: pointer; color: var(--muted); font-size: 11px; user-select: none; }
.advanced[open] summary { margin-bottom: 11px; }

.button-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 14px; }
.button {
  min-height: 36px;
  padding: 7px 12px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 650;
  transition: opacity .12s, background .12s;
}
.button:hover { filter: brightness(1.06); }
.button:disabled { opacity: .45; cursor: not-allowed; }
.button-primary { background: var(--accent); color: #10141d; }
.button-secondary { border-color: var(--line-strong); background: var(--panel-2); color: var(--text); }
.button-danger { border-color: rgba(233,154,154,.28); background: rgba(233,154,154,.07); color: var(--danger); }

.preview-wrap { display: grid; gap: 10px; }
.canvas-frame {
  position: relative;
  width: 100%;
  min-height: 260px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: #090a0c;
}
.canvas-frame canvas { display: block; width: 100%; height: auto; max-height: 68vh; object-fit: contain; background: #090a0c; }
.canvas-frame video { width: 100%; max-height: 68vh; background: #090a0c; }
.preview-meta { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { padding: 5px 8px; border: 1px solid var(--line); border-radius: 5px; background: var(--panel-2); color: var(--muted); font-size: 10px; }

.log { margin: 0; min-height: 86px; max-height: 200px; overflow: auto; white-space: pre-wrap; padding: 10px; border: 1px solid var(--line); border-radius: 6px; background: #0c0d0f; color: #abb1ba; font: 10px/1.55 ui-monospace, SFMono-Regular, Consolas, monospace; }
.mapping-table { width: 100%; border-collapse: collapse; font-size: 11px; }
.mapping-table th, .mapping-table td { padding: 7px; border-bottom: 1px solid var(--line); text-align: left; }
.mapping-table th { color: var(--muted); font-weight: 600; }
.mapping-table .input { min-height: 32px; padding: 4px 7px; }
.scroll-table { max-height: 360px; overflow: auto; border: 1px solid var(--line); border-radius: 6px; }
.range-row { display: grid; grid-template-columns: 1fr 68px; gap: 8px; align-items: center; }
.range-row input[type="range"] { width: 100%; accent-color: var(--accent); }
.empty-state, .loading { min-height: 220px; display: grid; place-items: center; padding: 28px; color: var(--subtle); text-align: center; }
.warning { padding: 9px 10px; border: 1px solid #51482f; border-radius: 6px; background: #242015; color: #cbbd95; font-size: 10px; line-height: 1.5; }
.error-panel { max-width: 720px; }
.error-panel h3 { margin-top: 0; }
.error-panel p { color: var(--danger); }

@media (max-width: 980px) {
  .app-shell { grid-template-columns: 190px minmax(0,1fr); }
  .tool-layout { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .app-shell { display: block; }
  .sidebar { position: static; height: auto; padding: 12px; border-right: 0; border-bottom: 1px solid var(--line); }
  .brand { padding: 2px 5px 12px; }
  .tool-nav { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .sidebar-foot { display: flex; margin-top: 12px; padding: 10px 5px 0; border-top: 1px solid var(--line); font-size: 10px; }
  .topbar { padding: 12px 14px; }
  .tool-root { padding: 14px; }
  .form-grid, .form-grid.three { grid-template-columns: 1fr; }
}


.modal { position: fixed; inset: 0; z-index: 100; display: none; place-items: center; padding: 20px; }
.modal.open { display: grid; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.72); }
.modal-card { position: relative; z-index: 1; width: min(620px, 100%); max-height: min(760px, calc(100vh - 40px)); overflow: auto; border: 1px solid var(--line-strong); border-radius: 8px; background: var(--panel); }
.modal-head { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--line); background: var(--panel); }
.modal-head h2 { margin: 0; font-size: 15px; }
.modal-body { display: grid; gap: 16px; padding: 18px 16px 20px; }
.credit-block { display: grid; gap: 5px; }
.credit-block p, .credit-copyright { margin: 0; color: #cbd0d7; font-size: 12px; line-height: 1.65; }
.credit-block a { width: fit-content; font-size: 11px; overflow-wrap: anywhere; }
.credit-copyright { padding-top: 2px; }
.font-install { display: grid; gap: 10px; padding-top: 16px; border-top: 1px solid var(--line); }
.font-install h3 { margin: 0; font-size: 13px; }
.font-install > p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.6; }
.font-status { min-height: 18px; color: var(--muted); }

.muted { color: var(--muted); font-size: 11px; line-height: 1.5; }