/* ─────────────────────────────────────────────
   TikTok Auto — Global Stylesheet
   Shared by landing pages (index, pricing, etc.)
   ───────────────────────────────────────────── */

/* ── Variables ── */
:root {
  --bg:         #0f1028;
  --surface:    #181a38;
  --surface-2:  #1f2248;
  --surface-3:  #272a58;
  --border:     #2d3265;
  --border-2:   #3d4280;
  --primary:    #4f70ff;
  --primary-2:  #7a95ff;
  --tiktok-r:   #fe2c55;
  --tiktok-c:   #25f4ee;
  --text:       #f2f2ff;
  --text-2:     #bbbbd8;
  --text-3:     #8888b0;
  --success:    #10b981;
  --warning:    #f59e0b;
  --error:      #ef4444;
  --radius:     12px;
  --radius-sm:  8px;
}

/* ── Light mode ── */
[data-theme="light"] {
  --bg:        #f5f6fc;
  --surface:   #ffffff;
  --surface-2: #eef0fb;
  --surface-3: #e4e7f8;
  --border:    #d2d6f0;
  --border-2:  #bcc2ea;
  --text:      #1a1a3c;
  --text-2:    #4a4a78;
  --text-3:    #8080b0;
}

/* ライトモード固有の上書き */
[data-theme="light"] header {
  background: rgba(255,255,255,0.9);
  border-bottom-color: var(--border);
}
[data-theme="light"] .card { box-shadow: 0 2px 12px rgba(0,0,0,0.07); }
[data-theme="light"] .card:hover { box-shadow: 0 8px 30px rgba(0,0,0,0.12); }
[data-theme="light"] .license-key-box { color: var(--primary); }
[data-theme="light"] .form-group input:focus { box-shadow: 0 0 0 3px rgba(79,112,255,0.15); }

/* テーマトグルボタン (ランディングページ用) */
.theme-toggle-btn {
  width: 36px; height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border-2, #3d4280);
  background: transparent;
  color: var(--text-2, #bbbbd8);
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.05rem; line-height: 1;
  transition: background 0.15s, border-color 0.15s;
  vertical-align: middle;
}
.theme-toggle-btn:hover { background: var(--surface-2, #1f2248); border-color: var(--primary, #4f70ff); }

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: "Inter", "Noto Sans JP", "Segoe UI", "Hiragino Sans", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.65;
}

a { color: var(--primary-2); text-decoration: none; }
a:hover { text-decoration: underline; }

img, svg { max-width: 100%; display: block; }

/* ── Layout ── */
.page { display: flex; flex-direction: column; min-height: 100vh; }
.container { max-width: 1080px; margin: 0 auto; padding: 0 1.5rem; width: 100%; }

/* ── Header ── */
header {
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7,7,17,0.85);
  backdrop-filter: blur(12px);
}

header .container { display: flex; align-items: center; justify-content: space-between; }

.logo {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.03em;
  text-decoration: none !important;
}
.logo span { color: var(--primary-2); }

nav { display: flex; align-items: center; }
nav a { margin-left: 1.5rem; font-size: 0.875rem; font-weight: 500; color: var(--text-2); }
nav a:hover { color: var(--text); text-decoration: none; }

/* ── Hero ── */
.hero {
  text-align: center;
  padding: 6rem 1rem 4rem;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--primary-2), var(--tiktok-c));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.1rem;
  color: var(--text-2);
  max-width: 560px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.925rem;
  font-weight: 600;
  font-family: inherit;
  border: none;
  cursor: pointer;
  transition: transform 0.12s, box-shadow 0.15s, background 0.15s;
  white-space: nowrap;
  text-decoration: none !important;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: none; }

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  box-shadow: 0 4px 20px rgba(67,97,238,0.35);
}
.btn-primary:hover { box-shadow: 0 6px 28px rgba(67,97,238,0.5); color: #fff; }

.btn-outline {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border-2);
}
.btn-outline:hover { border-color: var(--primary-2); color: var(--text); }

.btn-tiktok {
  background: linear-gradient(135deg, var(--tiktok-r), #ff6590);
  color: #fff;
  box-shadow: 0 4px 20px rgba(254,44,85,0.3);
}
.btn-tiktok:hover { box-shadow: 0 6px 28px rgba(254,44,85,0.45); color: #fff; }

.btn-paypal {
  background: linear-gradient(135deg, #0070ba, #00a0e4);
  color: #fff;
  box-shadow: 0 4px 20px rgba(0,112,186,0.3);
}
.btn-paypal:hover { box-shadow: 0 6px 28px rgba(0,112,186,0.45); color: #fff; }

.btn-stripe {
  background: linear-gradient(135deg, #635bff, #7a73ff);
  color: #fff;
  box-shadow: 0 4px 20px rgba(99,91,255,0.3);
}
.btn-stripe:hover { box-shadow: 0 6px 28px rgba(99,91,255,0.45); color: #fff; }

/* ── Card Grid ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  padding: 2rem 0 4rem;
}

/* ── Pricing Cards ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  text-align: center;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  position: relative;
}
.card:hover {
  border-color: var(--border-2);
  box-shadow: 0 12px 40px rgba(0,0,0,0.35);
  transform: translateY(-4px);
}
.card.featured {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px rgba(67,97,238,0.3), 0 12px 40px rgba(67,97,238,0.15);
}

.card-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.card h2 { font-size: 1.4rem; font-weight: 700; color: #fff; margin-bottom: 0.5rem; }
.card .price { font-size: 2.25rem; font-weight: 800; color: var(--primary-2); margin: 1rem 0; line-height: 1; }
.card .price small { font-size: 0.9rem; font-weight: 400; color: var(--text-2); }
.card .price-desc { font-size: 0.82rem; color: var(--text-3); margin-bottom: 1.25rem; }

.card ul { list-style: none; text-align: left; margin: 1.5rem 0; display: flex; flex-direction: column; gap: 0.5rem; }
.card ul li { padding: 0; color: var(--text-2); font-size: 0.9rem; display: flex; align-items: flex-start; gap: 0.5rem; }
.card ul li::before { content: "✓"; color: var(--primary-2); font-weight: 700; flex-shrink: 0; margin-top: 0.05rem; }

.card .badge {
  display: inline-block;
  padding: 0.25rem 0.875rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.badge-community { background: rgba(0,112,186,0.15); color: #60b4e8; border: 1px solid rgba(0,112,186,0.3); }
.badge-standard  { background: rgba(67,97,238,0.15); color: var(--primary-2); border: 1px solid rgba(67,97,238,0.3); }
.badge-popular   { background: rgba(254,44,85,0.15); color: #ff7090; border: 1px solid rgba(254,44,85,0.3); }

/* ── Form Panel (auth pages etc.) ── */
.form-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3rem 2.5rem;
  max-width: 480px;
  margin: 0 auto 4rem;
}
.form-panel h2 { font-size: 1.5rem; font-weight: 700; color: #fff; text-align: center; margin-bottom: 0.35rem; }
.form-panel p.subtitle { text-align: center; color: var(--text-2); margin-bottom: 2rem; font-size: 0.9rem; }

.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-2);
  margin-bottom: 0.45rem;
}
.form-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-2);
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form-group input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(67,97,238,0.18); }
.form-group input::placeholder { color: var(--text-3); }

.form-actions { text-align: center; margin-top: 2rem; }
.form-actions .btn { width: 100%; padding: 0.9rem; font-size: 1rem; }

.form-error {
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.35);
  color: #fca5a5;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  margin-bottom: 1rem;
  display: none;
}
.form-error.visible { display: block; }

.form-info {
  background: rgba(67,97,238,0.1);
  border: 1px solid rgba(67,97,238,0.3);
  color: #93c5fd;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  margin-bottom: 1rem;
  display: none;
}
.form-info.visible { display: block; }

/* ── Result / Success Pages ── */
.result-panel {
  text-align: center;
  padding: 6rem 1rem;
}
.result-icon { font-size: 4rem; margin-bottom: 1.5rem; }
.result-panel h1 { font-size: 2rem; font-weight: 700; color: #fff; margin-bottom: 0.75rem; }
.result-panel p { color: var(--text-2); max-width: 480px; margin: 0 auto 2rem; }

.license-key-box {
  background: var(--surface-2);
  border: 2px dashed var(--border-2);
  border-radius: 14px;
  padding: 1.5rem;
  max-width: 420px;
  margin: 0 auto 2rem;
  font-family: "Consolas", "JetBrains Mono", "Courier New", monospace;
  font-size: 1.25rem;
  color: var(--primary-2);
  letter-spacing: 0.06em;
  word-break: break-all;
  user-select: all;
}

/* ── Spinner ── */
.spinner {
  display: inline-block;
  width: 20px; height: 20px;
  border: 3px solid rgba(255,255,255,0.25);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  vertical-align: middle;
  margin-right: 0.5rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Footer ── */
footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding: 1.75rem 0;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-3);
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-3); }

/* ── Responsive ── */
@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 0.95rem; }
  .card-grid { grid-template-columns: 1fr; }
  .form-panel { padding: 2rem 1.5rem; }
}

@media (max-width: 480px) {
  nav a:not(.btn) { display: none; }
}