/* ── Variables ───────────────────────────────── */
:root{
  --primary:     #4f46e5;
  --primary-dk:  #3730a3;
  --primary-lt:  #e0e7ff;
  --db:          #0f766e;
  --db-lt:       #ccfbf1;
  --nw:          #2563eb;
  --nw-lt:       #dbeafe;
  --skill:       #7c3aed;
  --skill-lt:    #ede9fe;
  --success:     #059669;
  --text:        #1e293b;
  --text-2:      #475569;
  --text-3:      #94a3b8;
  --bg:          #f1f5f9;
  --card:        #ffffff;
  --border:      #e2e8f0;
  --radius:      14px;
  --radius-sm:   8px;
  --shadow:      0 2px 12px rgba(0,0,0,.08);
  --shadow-lg:   0 8px 32px rgba(0,0,0,.12);
}

/* ── Reset ──────────────────────────────────── */
*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
body{
  font-family:'Hiragino Kaku Gothic ProN','Hiragino Sans','Meiryo','Yu Gothic',sans-serif;
  background:var(--bg);
  color:var(--text);
  min-height:100vh;
}
a{ text-decoration:none; color:inherit; }
ul{ list-style:none; }

/* ════════════════════════════════════════════
   AUTH WALL
════════════════════════════════════════════ */
.auth-wall{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px 16px;
  background:linear-gradient(135deg,#1e1b4b 0%,#312e81 40%,#1e3a5f 100%);
}

.auth-card{
  background:var(--card);
  border-radius:20px;
  padding:40px 32px 36px;
  width:100%;
  max-width:400px;
  box-shadow:var(--shadow-lg);
  text-align:center;
}

.auth-icon{
  width:64px; height:64px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--primary-dk));
  display:flex; align-items:center; justify-content:center;
  font-size:1.8rem;
  margin:0 auto 20px;
  box-shadow:0 4px 16px rgba(79,70,229,.35);
}

.auth-title{
  font-size:1.25rem;
  font-weight:900;
  color:var(--text);
  margin-bottom:10px;
}

.auth-desc{
  font-size:0.82rem;
  color:var(--text-2);
  line-height:1.7;
  margin-bottom:8px;
}

.auth-note{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:0.75rem;
  color:var(--primary);
  background:var(--primary-lt);
  padding:6px 12px;
  border-radius:20px;
  margin-bottom:28px;
  font-weight:700;
}

.auth-field{
  position:relative;
  margin-bottom:12px;
}

.auth-input{
  width:100%;
  padding:13px 16px;
  border:2px solid var(--border);
  border-radius:var(--radius-sm);
  font-size:0.95rem;
  color:var(--text);
  outline:none;
  transition:border-color 0.15s;
  font-family:inherit;
}
.auth-input:focus{ border-color:var(--primary); }
.auth-input.error{ border-color:#ef4444; }

.auth-btn{
  width:100%;
  padding:13px;
  background:var(--primary);
  color:#fff;
  font-size:0.9rem;
  font-weight:800;
  border:none;
  border-radius:var(--radius-sm);
  cursor:pointer;
  transition:background 0.15s, transform 0.1s;
  font-family:inherit;
  letter-spacing:.02em;
}
.auth-btn:hover{ background:var(--primary-dk); }
.auth-btn:active{ transform:scale(.98); }

.auth-error{
  font-size:0.78rem;
  color:#ef4444;
  font-weight:700;
  margin-top:10px;
}

.auth-back{
  display:inline-block;
  margin-top:24px;
  font-size:0.78rem;
  color:var(--text-3);
  transition:color 0.15s;
}
.auth-back:hover{ color:var(--primary); }

/* ════════════════════════════════════════════
   BONUS MAIN — TOP NAV
════════════════════════════════════════════ */
.bonus-nav{
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  padding:0 20px;
  height:52px;
  display:flex; align-items:center; justify-content:space-between;
  gap:12px;
}
.bonus-nav-left{
  display:flex; align-items:center; gap:10px;
  min-width:0;
}
.bonus-nav-back{
  font-size:0.78rem; color:var(--text-2);
  padding:5px 10px;
  border:1px solid var(--border);
  border-radius:20px;
  white-space:nowrap;
  transition:all .15s;
  flex-shrink:0;
}
.bonus-nav-back:hover{ background:var(--bg); color:var(--primary); border-color:var(--primary-lt); }
.bonus-nav-title{
  font-size:0.85rem; font-weight:800; color:var(--text);
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}
.bonus-nav-badge{
  font-size:0.65rem; font-weight:800;
  background:var(--primary-lt); color:var(--primary);
  padding:2px 8px; border-radius:20px;
  white-space:nowrap; flex-shrink:0;
}
.logout-btn{
  font-size:0.72rem; color:var(--text-3);
  padding:4px 10px; border:1px solid var(--border);
  border-radius:20px; cursor:pointer;
  background:none; font-family:inherit;
  transition:all .15s; flex-shrink:0;
}
.logout-btn:hover{ color:#ef4444; border-color:#fca5a5; background:#fef2f2; }

/* ════════════════════════════════════════════
   BONUS MAIN — HERO
════════════════════════════════════════════ */
.bonus-hero{
  background:linear-gradient(135deg,#1e1b4b 0%,#4338ca 50%,#1e3a5f 100%);
  padding:40px 20px 36px;
  text-align:center;
  color:#fff;
}
.bonus-hero-badge{
  display:inline-flex; align-items:center; gap:6px;
  font-size:0.72rem; font-weight:800;
  background:rgba(255,255,255,.15);
  border:1px solid rgba(255,255,255,.25);
  padding:5px 14px; border-radius:20px;
  margin-bottom:16px;
}
.bonus-hero h1{
  font-size:clamp(1.3rem,5vw,1.75rem);
  font-weight:900;
  line-height:1.35;
  margin-bottom:10px;
}
.bonus-hero-sub{
  font-size:0.82rem;
  opacity:.8;
  line-height:1.7;
  max-width:480px;
  margin:0 auto 20px;
}
.bonus-hero-chips{
  display:flex; flex-wrap:wrap; justify-content:center; gap:8px;
}
.bonus-hero-chip{
  font-size:0.72rem; font-weight:700;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  padding:4px 12px; border-radius:20px;
}

/* ════════════════════════════════════════════
   BONUS MAIN — CONTENT
════════════════════════════════════════════ */
.bonus-content{
  max-width:900px;
  margin:0 auto;
  padding:28px 16px 48px;
  display:flex; flex-direction:column; gap:32px;
}

/* Category section */
.bonus-category{}
.bonus-cat-header{
  display:flex; align-items:center; gap:10px;
  margin-bottom:16px;
  padding-bottom:10px;
  border-bottom:2px solid var(--border);
}
.bonus-cat-icon{
  width:34px; height:34px;
  border-radius:8px;
  display:flex; align-items:center; justify-content:center;
  font-size:1rem;
  flex-shrink:0;
}
.bonus-cat-icon.db{ background:var(--db-lt); }
.bonus-cat-icon.nw{ background:var(--nw-lt); }
.bonus-cat-icon.skill{ background:var(--skill-lt); }
.bonus-cat-title{
  font-size:1rem;
  font-weight:900;
  color:var(--text);
}
.bonus-cat-tag{
  font-size:0.65rem; font-weight:800;
  padding:2px 8px; border-radius:20px;
  margin-left:4px;
}
.bonus-cat-tag.db{ background:var(--db-lt); color:var(--db); }
.bonus-cat-tag.nw{ background:var(--nw-lt); color:var(--nw); }
.bonus-cat-tag.soon{ background:#f1f5f9; color:var(--text-3); }

/* Tool grid */
.tool-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:14px;
}
@media(min-width:560px){
  .tool-grid{ grid-template-columns:repeat(2,1fr); }
}
@media(min-width:800px){
  .tool-grid.wide{ grid-template-columns:repeat(3,1fr); }
}

/* Tool card */
.tool-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:20px;
  display:flex; flex-direction:column; gap:10px;
  box-shadow:var(--shadow);
  transition:transform 0.15s, box-shadow 0.15s, border-color 0.15s;
}
.tool-card:hover{
  transform:translateY(-2px);
  box-shadow:0 6px 20px rgba(0,0,0,.1);
}
.tool-card.db:hover{ border-color:#99f6e4; }
.tool-card.nw:hover{ border-color:#93c5fd; }

.tool-card-top{
  display:flex; align-items:flex-start; gap:12px;
}
.tool-card-emoji{
  width:38px; height:38px;
  border-radius:10px;
  display:flex; align-items:center; justify-content:center;
  font-size:1.1rem;
  flex-shrink:0;
}
.tool-card-emoji.db{ background:var(--db-lt); }
.tool-card-emoji.nw{ background:var(--nw-lt); }

.tool-card-meta{ flex:1; min-width:0; }
.tool-card-name{
  font-size:0.9rem;
  font-weight:800;
  color:var(--text);
  line-height:1.3;
  margin-bottom:4px;
}
.tool-card-desc{
  font-size:0.75rem;
  color:var(--text-2);
  line-height:1.6;
}

.tool-card-btn{
  display:block;
  text-align:center;
  padding:9px 0;
  border-radius:var(--radius-sm);
  font-size:0.8rem;
  font-weight:800;
  transition:background 0.15s, transform 0.1s;
  margin-top:auto;
}
.tool-card-btn.db{
  background:var(--db);
  color:#fff;
}
.tool-card-btn.db:hover{ background:#0d6460; }
.tool-card-btn.nw{
  background:var(--nw);
  color:#fff;
}
.tool-card-btn.nw:hover{ background:#1d4ed8; }
.tool-card-btn:active{ transform:scale(.97); }

/* Coming soon card */
.tool-card.soon{
  background:#fafafa;
  border-style:dashed;
  opacity:.65;
  pointer-events:none;
}
.tool-card-btn.soon{
  background:var(--bg);
  color:var(--text-3);
  cursor:not-allowed;
}

/* Footer note */
.bonus-footer-note{
  text-align:center;
  font-size:0.75rem;
  color:var(--text-3);
  padding:24px 0 0;
  border-top:1px solid var(--border);
  line-height:1.8;
}

/* ── skill card theme ──────────────────────────── */
.bonus-cat-tag.skill{ background:var(--skill-lt); color:var(--skill); }
.tool-card.skill:hover{ border-color:#c4b5fd; }
.tool-card-emoji.skill{ background:var(--skill-lt); }
.tool-card-btn.skill{ background:var(--skill); color:#fff; }
.tool-card-btn.skill:hover{ background:#6d28d9; }

/* ── small label badges on cards ──────────────── */
.tool-card-labels{
  display:flex; flex-wrap:wrap; gap:5px;
}
.tool-card-label{
  font-size:0.63rem; font-weight:700;
  padding:2px 7px; border-radius:20px;
  background:var(--bg); color:var(--text-2);
  border:1px solid var(--border);
}

/* ── IT section separator ──────────────────────── */
.bonus-sep{
  display:flex; align-items:center; gap:12px;
  padding:4px 0;
}
.bonus-sep-line{ flex:1; height:2px; background:var(--border); border-radius:1px; }
.bonus-sep-label{
  font-size:0.78rem; font-weight:900; color:var(--text-2);
  background:var(--bg); padding:6px 16px;
  border-radius:20px; border:2px solid var(--border);
  white-space:nowrap; letter-spacing:.03em;
}