/* 証拠保全アプリ — shared design tokens & components */

:root {
  color-scheme: light dark;

  --paper: #faf7f0;
  --surface: #ffffff;
  --surface-2: #f3efe4;
  --ink: #1c2333;
  --ink-soft: #5b6275;
  --line: #ddd5c1;
  --accent: #b3242c;
  --accent-strong: #8f1c22;
  --accent-soft: rgba(179, 36, 44, 0.08);
  --accent-ink: #ffffff;
  --success: #157347;
  --success-soft: rgba(21, 115, 71, 0.1);
  --warning: #b45309;
  --warning-soft: rgba(180, 83, 9, 0.12);
  --danger: #991b1b;
  --danger-soft: rgba(153, 27, 27, 0.08);
  --shadow: 0 1px 2px rgba(28, 35, 51, 0.04), 0 8px 24px rgba(28, 35, 51, 0.06);

  --font-display: "Shippori Mincho", "Hiragino Mincho ProN", serif;
  --font-body: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Sans", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #14172a;
    --surface: #1c2036;
    --surface-2: #242840;
    --ink: #f1ede0;
    --ink-soft: #a9a390;
    --line: #333a55;
    --accent: #e2626a;
    --accent-strong: #ef838a;
    --accent-soft: rgba(226, 98, 106, 0.14);
    --accent-ink: #1c2036;
    --success: #4ade80;
    --success-soft: rgba(74, 222, 128, 0.12);
    --warning: #fbbf24;
    --warning-soft: rgba(251, 191, 36, 0.12);
    --danger: #f87171;
    --danger-soft: rgba(248, 113, 113, 0.12);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.35);
  }
}

:root[data-theme="dark"] {
  --paper: #14172a;
  --surface: #1c2036;
  --surface-2: #242840;
  --ink: #f1ede0;
  --ink-soft: #a9a390;
  --line: #333a55;
  --accent: #e2626a;
  --accent-strong: #ef838a;
  --accent-soft: rgba(226, 98, 106, 0.14);
  --accent-ink: #1c2036;
  --success: #4ade80;
  --success-soft: rgba(74, 222, 128, 0.12);
  --warning: #fbbf24;
  --warning-soft: rgba(251, 191, 36, 0.12);
  --danger: #f87171;
  --danger-soft: rgba(248, 113, 113, 0.12);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 500; text-wrap: balance; margin: 0; }

a { color: var(--accent); }

.mono { font-family: var(--font-mono); font-size: 0.85rem; word-break: break-all; }

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 640px; margin: 0 auto; padding: 0 24px; }

/* Nav bar shared by app.html / plan.html */
.topnav {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}
.topnav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand-mark {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1.5px solid var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  color: var(--accent);
  font-family: var(--font-display);
}
.nav-right { display: flex; align-items: center; gap: 14px; font-size: 0.9rem; }
.nav-usage { color: var(--ink-soft); white-space: nowrap; }

/* Buttons */
button, .btn {
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 10px 20px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: var(--accent);
  color: var(--accent-ink);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: background-color 0.15s ease, border-color 0.15s ease, opacity 0.15s ease;
}
button:hover, .btn:hover { background: var(--accent-strong); }
button:disabled { opacity: 0.5; cursor: default; }
button.secondary, .btn.secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
button.secondary:hover, .btn.secondary:hover { background: var(--surface-2); border-color: var(--ink-soft); }
button.link, .btn.link {
  background: none;
  color: var(--accent);
  padding: 0;
  border: none;
  text-decoration: underline;
  font-size: 0.9rem;
}
button.link:hover, .btn.link:hover { background: none; color: var(--accent-strong); }
button.danger { background: var(--danger-soft); color: var(--danger); }
button.danger:hover { background: var(--danger); color: #fff; }

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
  box-shadow: var(--shadow);
}

/* Forms */
label { display: block; font-size: 0.85rem; color: var(--ink-soft); margin: 14px 0 4px; }
input[type=email], input[type=password], input[type=text] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
  font-size: 1rem;
  font-family: var(--font-body);
}
input:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }

/* Status pills */
.status { font-weight: 500; font-size: 0.85rem; padding: 2px 10px; border-radius: 999px; display: inline-block; }
.status.pending { color: var(--warning); background: var(--warning-soft); }
.status.complete { color: var(--success); background: var(--success-soft); }

.banner {
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 0.9rem;
  margin: 0 0 16px;
}
.banner.success { background: var(--success-soft); color: var(--success); }
.banner.warning { background: var(--warning-soft); color: var(--warning); }
.banner.error { background: var(--danger-soft); color: var(--danger); }

.row { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin: 6px 0; }

::selection { background: var(--accent-soft); }

/* Dropzone */
.dropzone {
  border: 2px dashed var(--line);
  border-radius: 14px;
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  color: var(--ink-soft);
  transition: background-color 0.15s ease, border-color 0.15s ease;
}
.dropzone:hover { border-color: var(--accent); }
.dropzone.drag { background: var(--accent-soft); border-color: var(--accent); }

/* File list items */
.file-item { margin: 16px 0; }
.thumb-wrap { display: none; text-align: center; margin-bottom: 14px; }
.thumb-img { display: none; max-width: 100%; max-height: 220px; border-radius: 10px; }
.text-preview {
  display: none; max-height: 120px; overflow: hidden; background: var(--surface-2);
  padding: 10px; border-radius: 10px; font-size: 0.8rem; white-space: pre-wrap; word-break: break-all; margin-bottom: 14px;
}
.html-preview {
  display: none; width: 100%; height: 180px; border: 1px solid var(--line); border-radius: 10px; margin-bottom: 14px; background: #fff;
}
.media-placeholder {
  display: none; text-align: center; padding: 18px; background: var(--surface-2); border-radius: 10px; margin-bottom: 14px;
}
.video-preview, .audio-preview { display: none; max-width: 100%; margin-bottom: 14px; }
.video-preview { max-height: 260px; border-radius: 10px; }
.audio-preview { width: 100%; }
.file-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 14px; }
.file-actions .spacer { flex: 1; }

/* Plan comparison grid (shared by pricing section markup style) */
.plan-box {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}
.plan-box .plan-box-name { font-weight: 500; }
.plan-box .plan-box-cap { font-size: 0.85rem; color: var(--ink-soft); margin-top: 4px; }