/* ClipShot — スタイル。ライト/ダーク両対応。ブランドカラーはグラデーション #0f7ae5→#6d4de0 */
:root {
  --bg: #eef1f6;
  --bg-2: #e4e8f0;
  --panel: #ffffff;
  --panel-2: #f4f6fa;
  --text: #1a1f27;
  --text-sub: #5a6473;
  --border: #e0e4ec;
  --border-strong: #cdd3df;
  --accent: #0f7ae5;
  --accent-2: #6d4de0;
  --accent-ink: #ffffff;
  --ok: #12925a;
  --warn: #c4700a;
  --danger: #d1382c;
  --grad: linear-gradient(135deg, #0f7ae5, #6d4de0);
  --radius: 14px;
  --shadow: 0 1px 2px rgba(20,30,50,.06), 0 10px 30px rgba(20,30,50,.07);
  --shadow-sm: 0 1px 3px rgba(20,30,50,.08);
}
:root[data-theme="dark"] { color-scheme: dark; }
:root[data-theme="light"] { color-scheme: light; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12151b; --bg-2: #0d1015;
    --panel: #1c2028; --panel-2: #232833;
    --text: #e9ecf1; --text-sub: #9aa4b2;
    --border: #2e3540; --border-strong: #3a4250;
    --accent: #4f9dff; --accent-2: #9a7dff; --accent-ink: #0b0e13;
    --ok: #46c489; --warn: #e0a44a; --danger: #f0685c;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 10px 30px rgba(0,0,0,.35);
    --shadow-sm: 0 1px 3px rgba(0,0,0,.4);
  }
}
:root[data-theme="dark"] {
  --bg: #12151b; --bg-2: #0d1015;
  --panel: #1c2028; --panel-2: #232833;
  --text: #e9ecf1; --text-sub: #9aa4b2;
  --border: #2e3540; --border-strong: #3a4250;
  --accent: #4f9dff; --accent-2: #9a7dff; --accent-ink: #0b0e13;
  --ok: #46c489; --warn: #e0a44a; --danger: #f0685c;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 10px 30px rgba(0,0,0,.35);
  --shadow-sm: 0 1px 3px rgba(0,0,0,.4);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", "Yu Gothic UI", "Meiryo", system-ui, sans-serif;
  background:
    radial-gradient(1200px 500px at 100% -10%, color-mix(in srgb, var(--accent-2) 10%, transparent), transparent 60%),
    radial-gradient(1000px 400px at -10% 0%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 55%),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

kbd {
  background: var(--panel-2);
  border: 1px solid var(--border-strong);
  border-bottom-width: 2px;
  border-radius: 6px;
  padding: 1px 7px;
  font-family: inherit;
  font-size: .9em;
  color: var(--text);
  white-space: nowrap;
}

/* ── Topbar ── */
.topbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 20px;
  background: color-mix(in srgb, var(--panel) 82%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 38px; height: 38px; flex: none; filter: drop-shadow(0 3px 6px color-mix(in srgb, var(--accent) 40%, transparent)); }
.brand-text h1 {
  font-size: 1.2rem; margin: 0; letter-spacing: -.01em;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.tagline { margin: 0; font-size: .74rem; color: var(--text-sub); letter-spacing: .02em; }
.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.badge {
  font-size: .76rem;
  color: var(--ok);
  background: color-mix(in srgb, var(--ok) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--ok) 30%, transparent);
  padding: 4px 11px;
  border-radius: 999px;
  white-space: nowrap;
}
.icon-btn {
  font: inherit; cursor: pointer;
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--panel-2);
  color: var(--text);
  font-size: 1rem;
  transition: filter .12s, transform .05s;
}
.icon-btn:hover { filter: brightness(1.06); }
.icon-btn:active { transform: translateY(1px); }
.lang-btn { font-size: .82rem; font-weight: 700; letter-spacing: .03em; }

main {
  flex: 1;
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 26px 20px;
}

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

/* ── Stage (貼り付け前) ── */
.stage {
  border: 2px dashed var(--border-strong);
  border-radius: 20px;
  background: color-mix(in srgb, var(--panel) 70%, transparent);
  padding: 40px 24px 28px;
  text-align: center;
  cursor: pointer;
  outline: none;
  transition: border-color .15s, background .15s, transform .08s;
}
.stage:hover, .stage:focus-visible { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 5%, var(--panel)); }
.stage.dragover { border-color: var(--accent); border-style: solid; background: color-mix(in srgb, var(--accent) 9%, var(--panel)); transform: scale(.997); }
.stage-inner { max-width: 560px; margin: 0 auto; }
.stage-icon svg { width: 92px; height: 92px; }
.stage-frame { animation: dash 24s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -340; } }
.stage-title { font-size: 1.5rem; font-weight: 700; margin: 10px 0 6px; letter-spacing: -.01em; }
.stage-title .plus { margin: 0 3px; color: var(--text-sub); font-weight: 500; }
.stage-sub { color: var(--text-sub); font-size: .95rem; margin: 0 0 20px; }
.stage-alt { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.stage-hint { color: var(--text-sub); font-size: .82rem; margin: 16px 0 0; opacity: .85; }

.steps {
  list-style: none;
  display: flex; justify-content: center; gap: 12px; flex-wrap: wrap;
  margin: 30px 0 0; padding: 0;
}
.steps li { display: flex; align-items: center; gap: 8px; color: var(--text-sub); font-size: .88rem; }
.steps li:not(:last-child)::after { content: "→"; margin-left: 4px; color: var(--border-strong); }
.step-no {
  width: 22px; height: 22px; flex: none;
  display: grid; place-items: center;
  border-radius: 999px; background: var(--grad); color: #fff;
  font-size: .78rem; font-weight: 700;
}

/* ── Editor ── */
.editor {
  display: grid;
  grid-template-columns: 1fr 358px;
  gap: 22px;
  align-items: start;
}
@media (max-width: 860px) { .editor { grid-template-columns: 1fr; } }

.preview-pane { padding: 16px; }
.preview-wrap {
  background:
    repeating-conic-gradient(color-mix(in srgb, var(--text-sub) 8%, transparent) 0% 25%, transparent 0% 50%) 50% / 22px 22px;
  border-radius: 10px;
  overflow: auto;
  max-height: 64vh;
  display: flex; align-items: center; justify-content: center;
  min-height: 220px;
  border: 1px solid var(--border);
}
#preview { max-width: 100%; height: auto; display: block; border-radius: 4px; box-shadow: 0 2px 10px rgba(0,0,0,.15); }
.preview-meta { display: flex; align-items: center; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.meta-chip { font-size: .84rem; color: var(--text); background: var(--panel-2); padding: 4px 11px; border-radius: 7px; font-variant-numeric: tabular-nums; }
.meta-hint { font-size: .78rem; color: var(--text-sub); }
.preview-meta .btn { margin-left: auto; }

/* ── Controls ── */
.controls { padding: 20px; display: flex; flex-direction: column; gap: 20px; }
.ctrl-group h2 {
  font-size: .76rem; text-transform: uppercase; letter-spacing: .05em;
  color: var(--text-sub); margin: 0 0 11px; font-weight: 700;
}

/* Presets */
.preset-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px; }
.preset {
  font: inherit; cursor: pointer; text-align: left;
  display: flex; flex-direction: column; gap: 1px;
  padding: 11px 12px;
  border: 1px solid var(--border); border-radius: 11px;
  background: var(--panel-2); color: var(--text);
  transition: all .13s;
  position: relative;
}
.preset .p-ico { font-size: 1.15rem; line-height: 1; margin-bottom: 3px; }
.preset b { font-size: .9rem; font-weight: 600; }
.preset small { font-size: .72rem; color: var(--text-sub); }
.preset:hover { border-color: var(--border-strong); transform: translateY(-1px); }
.preset.active {
  border-color: transparent;
  background: color-mix(in srgb, var(--accent) 14%, var(--panel));
  box-shadow: inset 0 0 0 1.5px var(--accent);
}
.preset.active small { color: var(--accent); }

/* Details / advanced */
.adv {
  border: 1px solid var(--border); border-radius: 11px;
  background: var(--panel-2); overflow: hidden;
}
.adv > summary {
  cursor: pointer; padding: 12px 14px;
  font-size: .88rem; font-weight: 600; color: var(--text);
  list-style: none; display: flex; align-items: center; gap: 8px;
  user-select: none;
}
.adv > summary::-webkit-details-marker { display: none; }
.adv > summary::before { content: "▸"; color: var(--accent); transition: transform .15s; display: inline-block; }
.adv[open] > summary::before { transform: rotate(90deg); }
.adv[open] > summary { border-bottom: 1px solid var(--border); }
.adv .ctrl-group { padding: 14px; }
.adv .ctrl-group + .ctrl-group { border-top: 1px solid var(--border); }

.segmented { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; }
.seg { position: relative; cursor: pointer; }
.seg input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.seg span {
  display: flex; flex-direction: column; align-items: center; gap: 1px;
  padding: 9px 4px; border: 1px solid var(--border); border-radius: 10px;
  font-weight: 700; font-size: .95rem; transition: all .12s;
}
.seg small { font-weight: 400; font-size: .67rem; color: var(--text-sub); }
.seg input:checked + span {
  border-color: transparent; color: var(--accent);
  background: color-mix(in srgb, var(--accent) 13%, transparent);
  box-shadow: inset 0 0 0 1.5px var(--accent);
}
.seg input:checked + span small { color: var(--accent); }
.seg input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }

.switch-row { display: flex; align-items: center; gap: 9px; cursor: pointer; font-size: .92rem; }
.switch-row.small { font-size: .84rem; color: var(--text-sub); margin-top: 9px; }
.switch-row input { width: 17px; height: 17px; accent-color: var(--accent); flex: none; }

.target-row { display: flex; flex-direction: column; gap: 10px; margin-top: 11px; }
.target-row input[type=range] { width: 100%; accent-color: var(--accent); }
.target-fields { display: flex; align-items: center; gap: 8px; }
.target-row input[type=number], .target-row select {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--panel); color: var(--text); font-size: 1rem;
}
.target-row input[type=number] { width: 92px; }
.target-note { color: var(--text-sub); font-size: .86rem; }

.quality-row { margin-top: 13px; }
.quality-row label { font-size: .9rem; display: flex; justify-content: space-between; }
.quality-row output { font-variant-numeric: tabular-nums; color: var(--accent); font-weight: 700; }
.quality-row input[type=range] { width: 100%; accent-color: var(--accent); margin-top: 6px; }

.hint { font-size: .8rem; color: var(--text-sub); margin: 11px 0 0; }

/* Result */
.result-group { margin-top: 2px; }
.result-card {
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 6%, var(--panel-2)), var(--panel-2));
  border: 1px solid var(--border); border-radius: 12px; padding: 15px 16px;
}
.result-main { display: flex; align-items: baseline; gap: 10px; }
.out-size { font-size: 1.75rem; font-weight: 800; font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.out-state { font-size: .82rem; font-weight: 700; }
.out-state.ok { color: var(--ok); }
.out-state.warn { color: var(--warn); }
.size-bar { height: 6px; border-radius: 999px; background: color-mix(in srgb, var(--text-sub) 18%, transparent); margin: 10px 0 8px; overflow: hidden; }
.size-bar-fill { height: 100%; border-radius: 999px; background: var(--ok); transition: width .25s, background .25s; }
.size-bar-fill.warn { background: var(--warn); }
.result-sub { font-size: .82rem; color: var(--text-sub); }

/* Filename */
.filename-row { display: flex; align-items: stretch; }
.filename-row input {
  flex: 1; min-width: 0;
  padding: 9px 11px; border: 1px solid var(--border); border-right: none;
  border-radius: 8px 0 0 8px; background: var(--panel); color: var(--text); font-size: .95rem;
}
.ext-label {
  display: grid; place-items: center;
  padding: 0 13px; border: 1px solid var(--border-strong); border-radius: 0 8px 8px 0;
  background: var(--panel-2); color: var(--text-sub); font-size: .9rem; font-variant-numeric: tabular-nums;
}

/* Buttons */
.btn {
  font: inherit; cursor: pointer;
  border: 1px solid var(--border-strong); border-radius: 10px;
  padding: 10px 16px; background: var(--panel); color: var(--text);
  transition: transform .05s, filter .12s, box-shadow .12s;
}
.btn:hover { filter: brightness(1.03); }
.btn:active { transform: translateY(1px); }
.btn.small { padding: 6px 12px; font-size: .84rem; }
.btn.ghost { background: transparent; border-color: var(--border); }
.btn.primary {
  background: var(--grad); color: #fff; border-color: transparent; font-weight: 700;
  box-shadow: 0 4px 14px color-mix(in srgb, var(--accent) 35%, transparent);
}
.btn.primary:hover { box-shadow: 0 6px 20px color-mix(in srgb, var(--accent) 45%, transparent); }
.btn.large {
  width: 100%; padding: 14px; font-size: 1.06rem;
  display: flex; align-items: center; justify-content: center; gap: 10px;
}
.key-hint {
  font-size: .72rem; font-weight: 600; opacity: .85;
  background: rgba(255,255,255,.22); padding: 2px 7px; border-radius: 6px;
}
.next-hint { font-size: .82rem; color: var(--ok); margin: 2px 0 0; text-align: center; }
.save-target {
  font-size: .82rem; color: var(--text-sub); margin: 4px 0 0; text-align: center;
  display: flex; align-items: center; justify-content: center; gap: 6px; flex-wrap: wrap;
}
.save-target b { color: var(--text); font-weight: 600; word-break: break-all; }
.linklike {
  background: none; border: none; padding: 0; cursor: pointer;
  color: var(--accent); font: inherit; text-decoration: underline;
}
.linklike:hover { opacity: .8; }

.footer { text-align: center; padding: 18px; color: var(--text-sub); font-size: .8rem; }

/* Toast */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--text); color: var(--bg);
  padding: 11px 20px; border-radius: 11px; font-size: .92rem;
  box-shadow: var(--shadow); z-index: 60; max-width: 90vw;
  animation: toastin .2s ease;
}
.toast.err { background: var(--danger); color: #fff; }
@keyframes toastin { from { opacity: 0; transform: translate(-50%, 8px); } }

/* Drop overlay (full page) */
.drop-overlay {
  position: fixed; inset: 0; z-index: 50;
  display: grid; place-items: center;
  background: color-mix(in srgb, var(--accent) 22%, rgba(10,15,25,.55));
  backdrop-filter: blur(3px);
  color: #fff; font-size: 1.5rem; font-weight: 700;
  border: 4px dashed rgba(255,255,255,.7);
  pointer-events: none;
}

@media (max-width: 560px) {
  .tagline { display: none; }
  .stage-title { font-size: 1.25rem; }
  .preset-row { grid-template-columns: 1fr 1fr; }
  main { padding: 18px 14px; }
}