:root{
  --bg:#f4f6fb; --card:#fff; --ink:#1e293b; --muted:#64748b;
  --line:#e2e8f0; --brand:#3b6cf6; --pos:#22a06b; --neg:#e1483f; --warn:#f59e0b;
  --radius:14px; --shadow:0 1px 3px rgba(15,23,42,.08),0 1px 2px rgba(15,23,42,.04);
}
*{box-sizing:border-box}
body{margin:0;font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--ink);line-height:1.5}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1{font-size:1.6rem;margin:.2em 0}
h2{font-size:1.1rem;margin:0 0 .8rem}
.muted{color:var(--muted)}
.pos{color:var(--pos)} .neg{color:var(--neg)}

/* Topbar */
.topbar{display:flex;align-items:center;justify-content:space-between;background:#fff;
  padding:.7rem 1.4rem;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.brand a{font-weight:700;font-size:1.15rem;color:var(--ink)}
.topbar nav{display:flex;align-items:center;gap:1.1rem}
.topbar nav a{color:var(--ink);font-weight:500}
.who{color:var(--muted);font-size:.9rem}
.btn-out{background:#f1f5f9;padding:.35rem .8rem;border-radius:8px}

.container{max-width:1080px;margin:1.5rem auto;padding:0 1.2rem}

/* Cards & layout */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.2rem 1.3rem;margin-bottom:1.3rem;box-shadow:var(--shadow)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:1.3rem}
@media(max-width:780px){.two-col{grid-template-columns:1fr}}
.card-head{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.6rem}

/* KPI */
.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin-bottom:1.3rem}
.kpi{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1rem 1.1rem;box-shadow:var(--shadow)}
.kpi.big{grid-column:span 2}
@media(max-width:780px){.kpi.big{grid-column:span 1}}
.kpi-num{display:block;font-size:1.8rem;font-weight:700}
.kpi-num small{font-size:.9rem;color:var(--muted);font-weight:500}
.kpi-lbl{color:var(--muted);font-size:.85rem}

/* Resonance bar */
.res-bar{height:8px;background:#eef2f7;border-radius:6px;overflow:hidden;margin-top:.5rem}
.res-bar span{display:block;height:100%;background:linear-gradient(90deg,#3b6cf6,#22a06b)}

/* Badges */
.badge{display:inline-block;padding:.15rem .55rem;border-radius:20px;font-size:.8rem;font-weight:600;background:#eef2f7;color:#334155}
.res-0{background:#fde2e0;color:#b91c1c}
.res-1{background:#fef0d3;color:#b45309}
.res-2{background:#dbeafe;color:#1d4ed8}
.res-3,.res-4{background:#d6f3e4;color:#0f7a4d}

/* Keyword cards */
.kw-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1rem}
.kw-card{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;padding:1rem;color:var(--ink)}
.kw-card:hover{border-color:var(--brand);text-decoration:none;box-shadow:var(--shadow)}
.kw-card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:.3rem}
.kw-meta{display:flex;gap:.7rem;flex-wrap:wrap;font-size:.85rem;margin-top:.5rem}

/* Tables */
.tbl{width:100%;border-collapse:collapse}
.tbl th,.tbl td{padding:.6rem .5rem;text-align:left;border-bottom:1px solid var(--line);font-size:.92rem}
.tbl th{color:var(--muted);font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:.03em}

/* Forms */
.inline-form{display:flex;flex-wrap:wrap;gap:.7rem;align-items:center}
.chk{display:flex;align-items:center;gap:.3rem;font-size:.9rem;color:#334155}
input[type=text],input[type=email],input[type=password],.inline-form input[name=term]{
  padding:.55rem .7rem;border:1px solid var(--line);border-radius:8px;font-size:.95rem;font-family:inherit}
.btn{background:var(--brand);color:#fff;border:none;padding:.6rem 1.1rem;border-radius:8px;
  font-size:.95rem;font-weight:600;cursor:pointer;display:inline-block}
.btn:hover{background:#2f59d6;text-decoration:none}
.mini{font-size:.82rem;padding:.25rem .5rem;border-radius:6px;background:#f1f5f9;border:none;cursor:pointer;color:#334155}
.mini.danger{background:#fde2e0;color:#b91c1c}
.mini:hover{text-decoration:none}

/* Filters/chips */
.filters{display:flex;gap:.4rem;flex-wrap:wrap}
.chip{font-size:.82rem;padding:.3rem .7rem;border-radius:20px;background:#f1f5f9;color:#334155}
.chip.on{background:var(--brand);color:#fff}
.chip.pos.on{background:var(--pos)} .chip.neg.on{background:var(--neg)}

/* Mentions */
.kw-head{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:1rem;margin-bottom:1rem}
.mention{border-left:4px solid var(--line);background:#fafbfd;border-radius:8px;padding:.7rem .9rem;margin-bottom:.7rem}
.mention.sent-positive{border-left-color:var(--pos)}
.mention.sent-negative{border-left-color:var(--neg)}
.mention.sent-neutral{border-left-color:#94a3b8}
.mention-head{display:flex;gap:.6rem;align-items:center;flex-wrap:wrap;font-size:.85rem;margin-bottom:.3rem}
.author{font-weight:600}
.mention-body{font-size:.95rem}
.mention-foot{font-size:.8rem;margin-top:.4rem}
.plat{font-size:.72rem;font-weight:700;padding:.1rem .45rem;border-radius:5px;color:#fff}
.plat-twitter{background:#1d9bf0}.plat-facebook{background:#1877f2}
.plat-instagram{background:#d6249f}.plat-tiktok{background:#010101}
.sent-tag{font-size:.7rem;padding:.1rem .45rem;border-radius:5px;text-transform:uppercase;font-weight:700;margin-left:auto}
.sent-tag.positive{background:#d6f3e4;color:#0f7a4d}
.sent-tag.negative{background:#fde2e0;color:#b91c1c}
.sent-tag.neutral{background:#eef2f7;color:#475569}

/* Auth pages */
.auth-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#eef2ff,#f4f6fb)}
.auth-card{background:#fff;padding:2rem;border-radius:16px;box-shadow:var(--shadow);width:100%;max-width:380px}
.auth-card h1{margin-top:0}
.auth-card label{display:block;margin:.7rem 0;font-size:.9rem;color:#334155}
.auth-card input{width:100%;margin-top:.25rem}
.auth-card .btn{width:100%;margin-top:.8rem}

/* Flash */
.flash{background:#dbeafe;color:#1e3a8a;padding:.7rem 1rem;border-radius:8px;margin-bottom:1rem;font-size:.92rem}
.flash.err{background:#fde2e0;color:#b91c1c}

.foot{text-align:center;color:var(--muted);font-size:.85rem;padding:1.5rem;margin-top:1rem}