/* ===========================
   WHALON 議事録AI — style.css
   テーマ：白ベース・ネイビー・余白・業務ツール感
   =========================== */

:root {
  --bg:          #f5f6f8;
  --surface:     #ffffff;
  --surface2:    #f2f4f7;
  --border:      #e2e6ed;
  --border2:     #d0d6e0;
  --accent:      #1a3a5c;
  --accent2:     #2d6a9f;
  --accent-light:#e8f0f8;
  --accent-glow: rgba(26, 58, 92, 0.08);
  --warn:        #b45309;
  --warn-bg:     rgba(180, 83, 9, 0.06);
  --danger:      #c0392b;
  --success:     #1a6b3a;
  --text:        #1a2233;
  --text2:       #4a5568;
  --text3:       #8a96a8;
  --radius:      10px;
  --radius-sm:   6px;
  --font-body:   'Noto Sans JP', sans-serif;
  --font-display:'Space Grotesk', sans-serif;
  --transition:  0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm:   0 1px 4px rgba(26,58,92,0.06);
  --shadow:      0 2px 12px rgba(26,58,92,0.08);
  --shadow-md:   0 4px 24px rgba(26,58,92,0.10);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  min-height: 100vh;
}

/* ── HEADER ────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.04em;
  color: var(--accent);
}
.logo-mark {
  width: 28px;
  height: 28px;
  background: var(--accent);
  color: #fff;
  display: grid;
  place-items: center;
  border-radius: 5px;
  font-size: 0.95rem;
}
.logo-badge {
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent2);
  border: 1px solid var(--accent2);
  border-radius: 3px;
  padding: 1px 5px;
  margin-left: 6px;
  opacity: 0.75;
}
.header-tag {
  font-size: 0.78rem;
  color: var(--text3);
  font-family: var(--font-display);
  letter-spacing: 0.02em;
}

/* ── NOTICE ────────────────────────────── */
.notice-bar {
  background: var(--warn-bg);
  border-bottom: 1px solid rgba(180,83,9,0.15);
  padding: 9px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--warn);
  text-align: center;
  line-height: 1.5;
}
.notice-icon { font-size: 0.95rem; flex-shrink: 0; }

/* ── HERO ──────────────────────────────── */
.hero {
  position: relative;
  overflow: hidden;
  padding: 56px 24px 44px;
  text-align: center;
  background: #ffffff;
  border-bottom: 1px solid var(--border);
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
}
.hero-eyebrow {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.hero-eyebrow::before, .hero-eyebrow::after {
  content: '';
  display: inline-block;
  width: 20px;
  height: 1px;
  background: var(--accent2);
  opacity: 0.4;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--accent);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}
.hero-title em {
  font-style: normal;
  color: var(--accent2);
  position: relative;
}
.hero-title em::after {
  content: '';
  position: absolute;
  bottom: 1px;
  left: 0; right: 0;
  height: 2px;
  background: var(--accent2);
  border-radius: 2px;
  opacity: 0.4;
}
.hero-sub {
  font-size: 0.92rem;
  color: var(--text2);
  line-height: 1.9;
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 36px 36px;
  opacity: 0.5;
  mask-image: radial-gradient(ellipse 70% 80% at 50% 0%, black 20%, transparent 100%);
}

/* ── MAIN ──────────────────────────────── */
.main {
  max-width: 960px;
  margin: 0 auto;
  padding: 36px 24px 80px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* ── USAGE BAR ─────────────────────────── */
.usage-bar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow-sm);
}
.usage-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  gap: 12px;
  flex-wrap: wrap;
}
.usage-title {
  font-size: 0.8rem;
  color: var(--text2);
  font-weight: 500;
}
.usage-right {
  display: flex;
  align-items: center;
  gap: 10px;
}
.usage-left {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--success);
  transition: color 0.3s;
}
.usage-count {
  font-size: 0.75rem;
  color: var(--text3);
}
.usage-track {
  height: 5px;
  background: var(--surface2);
  border-radius: 99px;
  overflow: hidden;
}
.usage-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 99px;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1), background 0.3s;
}
.usage-note {
  margin-top: 7px;
  font-size: 0.72rem;
  color: var(--text3);
}

/* ── SECTION ───────────────────────────── */
.section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  animation: fadeUp 0.35s ease both;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.section-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.section-num {
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: var(--accent-light);
  border: 1px solid rgba(26,58,92,0.15);
  border-radius: 4px;
  padding: 2px 7px;
  flex-shrink: 0;
}
.section-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent);
  flex: 1;
}

/* ── INPUT HINTS ───────────────────────── */
.input-hints {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 12px;
}
.hint-tag {
  font-size: 0.75rem;
  color: var(--text2);
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2px 9px;
}
.hint-sep { font-size: 0.78rem; color: var(--text3); }

/* ── TEXTAREA ──────────────────────────── */
.input-wrap { position: relative; }
.meeting-log {
  width: 100%;
  background: var(--bg);
  border: 1.5px solid var(--border2);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.85;
  padding: 16px;
  resize: vertical;
  min-height: 260px;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.meeting-log::placeholder { color: var(--text3); font-size: 0.82rem; }
.meeting-log:focus {
  border-color: var(--accent2);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: #fff;
}
.char-count {
  text-align: right;
  font-size: 0.72rem;
  color: var(--text3);
  margin-top: 5px;
}

/* ── GENERATE BUTTON ───────────────────── */
.generate-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
}
.generate-hint {
  font-size: 0.72rem;
  color: var(--text3);
}
.btn-generate {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 14px 40px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  box-shadow: var(--shadow-md);
}
.btn-generate:hover:not(:disabled) {
  transform: translateY(-1px);
  background: #14304f;
  box-shadow: 0 6px 24px rgba(26,58,92,0.2);
}
.btn-generate:active:not(:disabled) { transform: translateY(0); }
.btn-generate:disabled { opacity: 0.35; cursor: not-allowed; }
.btn-icon  { font-size: 1rem; }
.btn-arrow { font-size: 1rem; transition: transform var(--transition); }
.btn-generate:hover:not(:disabled) .btn-arrow { transform: translateX(3px); }

/* ── LOADING ───────────────────────────── */
.loading {
  text-align: center;
  padding: 56px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  animation: fadeUp 0.3s ease both;
}
.loading-dots {
  display: flex;
  justify-content: center;
  gap: 7px;
  margin-bottom: 18px;
}
.loading-dots span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  animation: bounce 1.2s ease-in-out infinite;
}
.loading-dots span:nth-child(2) { animation-delay: 0.2s; background: var(--accent2); }
.loading-dots span:nth-child(3) { animation-delay: 0.4s; background: var(--border2); }
@keyframes bounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40%            { transform: scale(1);   opacity: 1; }
}
.loading-text {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 5px;
}
.loading-sub { font-size: 0.82rem; color: var(--text2); }

/* ── OUTPUT ────────────────────────────── */
.output-actions { margin-left: auto; }
.btn-copy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text2);
  padding: 7px 14px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-body);
}
.btn-copy:hover {
  border-color: var(--accent2);
  color: var(--accent2);
  background: var(--accent-light);
}

/* ── MINUTES OUTPUT ────────────────────── */
.output-wrap {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.minutes-output {
  padding: 24px;
  font-size: 0.88rem;
  line-height: 1.9;
  color: var(--text);
}
.minutes-output .m-block {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.minutes-output .m-block:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}
.minutes-output .m-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-light);
  border: 1px solid rgba(26,58,92,0.12);
  border-radius: 3px;
  padding: 2px 7px;
  margin-bottom: 9px;
}
.minutes-output .m-content {
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
}
.minutes-output .m-content ul { list-style: none; padding: 0; }
.minutes-output .m-content li {
  padding: 4px 0 4px 16px;
  position: relative;
  border-bottom: 1px solid var(--border);
}
.minutes-output .m-content li:last-child { border-bottom: none; }
.minutes-output .m-content li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent2);
  font-size: 0.72rem;
}

/* Summary block */
.minutes-output .m-block.summary {
  background: var(--accent-light);
  border: 1px solid rgba(26,58,92,0.12);
  border-radius: var(--radius-sm);
  padding: 18px;
  margin-bottom: 0;
}
.minutes-output .m-block.summary .m-label {
  color: var(--accent);
  border-color: rgba(26,58,92,0.2);
  background: rgba(26,58,92,0.06);
}

/* TODO Table */
.todo-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  margin-top: 4px;
}
.todo-table th {
  background: var(--surface2);
  color: var(--text2);
  font-weight: 600;
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  padding: 7px 10px;
  text-align: left;
  border: 1px solid var(--border);
}
.todo-table td {
  padding: 7px 10px;
  border: 1px solid var(--border);
  vertical-align: top;
  color: var(--text);
}
.todo-table tr:nth-child(even) td { background: var(--surface2); }

/* ── OUTPUT FOOTER ─────────────────────── */
.output-footer {
  margin-top: 16px;
  display: flex;
  justify-content: flex-start;
}
.btn-reset {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text2);
  padding: 7px 14px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-body);
}
.btn-reset:hover { border-color: var(--accent); color: var(--accent); }

/* ── LIMIT OVERLAY ─────────────────────── */
.limit-overlay {
  background: var(--surface);
  border: 1.5px solid rgba(192,57,43,0.25);
  border-radius: var(--radius);
  padding: 44px 32px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  animation: fadeUp 0.4s ease both;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.limit-icon { font-size: 2.2rem; }
.limit-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}
.limit-text {
  font-size: 0.88rem;
  color: var(--text2);
  line-height: 1.8;
}

/* ── CTA BANNER ────────────────────────── */
.cta-banner {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  animation: fadeUp 0.5s ease both;
}
.cta-inner {
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
}
.cta-icon { font-size: 1.8rem; }
.cta-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}
.cta-text {
  font-size: 0.88rem;
  color: var(--text2);
  line-height: 1.85;
}
.cta-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 0.82rem;
  color: var(--accent2);
  text-align: left;
}

/* ── CTA BUTTON ────────────────────────── */
.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px 36px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  box-shadow: var(--shadow-md);
  margin-top: 6px;
}
.btn-cta:hover {
  transform: translateY(-1px);
  background: #14304f;
  box-shadow: 0 6px 24px rgba(26,58,92,0.2);
}

/* ── FOOTER ────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 24px;
  background: #fff;
}
.footer-disclaimer {
  max-width: 960px;
  margin: 0 auto 14px;
  font-size: 0.75rem;
  color: var(--text3);
  text-align: center;
  line-height: 1.7;
  padding: 10px 16px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 0.78rem;
  color: var(--text3);
  flex-wrap: wrap;
}
.footer-logo {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--accent);
}
.footer-sep { opacity: 0.3; }
.footer-link {
  color: var(--text3);
  text-decoration: none;
  transition: color var(--transition);
}
.footer-link:hover { color: var(--accent); }

/* ── UTILITIES ─────────────────────────── */
.hidden { display: none !important; }

/* ── SCROLLBAR ─────────────────────────── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--text3); }