:root {
    /* TÜBİTAK ULAKBİM Kurumsal & Nötr Renk Paleti (Mor Tonlarından Arındırılmış) */
    --bg-main: #f8fafc;
    --bg-surface: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --border-color: #e2e8f0;
    --border-subtle: #cbd5e1;

    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #64748b;

    /* TÜBİTAK Logosu Uyumlu Kırmızı Vurgu */
    --tubitak-red: #dc2626; 
    --tubitak-dark: #1e293b;

    --pastel-rose-bg: #ffe4e6;
    --pastel-rose-text: #dc2626;
    --pastel-rose-border: #fecdd3;

    --pastel-amber-bg: #fef3c7;
    --pastel-amber-text: #d97706;
    --pastel-amber-border: #fde68a;

    --pastel-sage-bg: #dcfce7;
    --pastel-sage-text: #15803d;
    --pastel-sage-border: #bbf7d0;

    --pastel-sky-bg: #f1f5f9;
    --pastel-sky-text: #334155;
    --pastel-sky-border: #cbd5e1;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* TÜBİTAK ULAKBİM Resmi Sabit Header & Navbar (#FFFFFFCC Arka Plan) */
.navbar {
    background-color: #FFFFFFCC !important;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 10px 6px rgba(0, 0, 0, 0.04)!important;
    position: sticky;
    top: 0;
    z-index: 1030;
    padding: 8px 120px !important;
}

.navbar-brand {
    color: var(--text-primary) !important;
    font-weight: 700;
}

.sidebar {
    background-color: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    min-height: calc(100vh - 56px);
}

.card-custom {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.card-custom:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    border-color: var(--border-subtle);
}

.stat-card {
    background-color: #ffffff;
    border-radius: 8px;
    padding: 14px 10px;
    border: 1px solid var(--border-color);
}

.badge-risk {
    font-size: 0.78rem;
    font-weight: 600;
    padding: 5px 10px;
    border-radius: 6px;
}

.badge-critical {
    background-color: var(--pastel-rose-bg);
    color: var(--pastel-rose-text);
    border: 1px solid var(--pastel-rose-border);
}

.badge-high {
    background-color: var(--pastel-amber-bg);
    color: var(--pastel-amber-text);
    border: 1px solid var(--pastel-amber-border);
}

.badge-low {
    background-color: var(--pastel-sage-bg);
    color: var(--pastel-sage-text);
    border: 1px solid var(--pastel-sage-border);
}

.score-pill {
    background-color: #f8fafc;
    border: 1px solid var(--border-color);
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.score-pill-danger {
    color: var(--pastel-rose-text);
    background-color: var(--pastel-rose-bg);
    border-color: var(--pastel-rose-border);
}

.score-pill-info {
    color: var(--text-primary);
    background-color: #f1f5f9;
    border-color: var(--border-color);
}

.form-select, .form-control {
    background-color: #ffffff !important;
    border-color: var(--border-color) !important;
    color: var(--text-primary) !important;
    border-radius: 8px;
}

.form-select:focus, .form-control:focus {
    border-color: var(--text-muted) !important;
    box-shadow: 0 0 0 0.2rem rgba(100, 116, 139, 0.15) !important;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

.km-page { color: var(--text-primary); }
.km-hero { background: var(--bg-card); border-top: 3px solid var(--tubitak-dark); }
.km-kicker { font-size:.72rem; letter-spacing:.12rem; font-weight:800; color:var(--tubitak-red); }
.km-stat { height:100%; background:#ffffff; }
.km-stat small,.km-stat span { display:block; color:var(--text-secondary); font-size:.75rem; }
.km-stat h4 { margin:.25rem 0; color:var(--text-primary); font-weight:800; }
.km-browser { height:calc(100vh - 230px); min-height:650px; background:var(--bg-card); }
.km-article-list { overflow-y:auto; flex:1; max-height:calc(100vh - 500px); min-height:430px; padding-right:3px; }
.km-article-item { background:#ffffff; border:1px solid var(--border-color); border-radius:8px; padding:12px; margin-bottom:9px; cursor:pointer; transition:.18s ease; }
.km-article-item:hover,.km-article-item.active { background:var(--bg-card-hover); border-color:var(--border-subtle); transform:translateY(-1px); }
.km-article-id { color: var(--text-muted); font-size:.72rem; font-family:monospace; font-weight:700; }
.km-article-title { font-weight:700; font-size:.9rem; margin-top:5px; line-height:1.35; color: var(--text-primary); }
.km-progress { height:6px; background:#e2e8f0; border-radius:999px; overflow:hidden; }
.km-progress span { display:block; height:100%; background:var(--tubitak-red); border-radius:999px; }
.km-detail { min-height:calc(100vh - 230px); background:var(--bg-card); }
.km-empty { min-height:560px; display:flex; flex-direction:column; justify-content:center; align-items:center; }
.km-empty-icon { width:62px; height:62px; display:grid; place-items:center; border-radius:16px; background:#f1f5f9; color: var(--text-secondary); font-size:1.6rem; margin-bottom:12px; }
.km-section-title { margin:18px 0 8px; font-size:.75rem; font-weight:800; letter-spacing:.06rem; color:var(--text-secondary); }
.km-abstract { background:#ffffff; border:1px solid var(--border-color); border-radius:10px; padding:15px; line-height:1.65; color:var(--text-secondary); text-align:justify; max-height:230px; overflow:auto; }
.km-topic-box { background:#ffffff; border:1px solid var(--border-color); border-radius:10px; padding:14px; }
.km-tags { display:flex; flex-wrap:wrap; gap:7px; }
.km-tag { background:#f1f5f9; color:var(--text-primary); border:1px solid var(--border-color); border-radius:6px; padding:6px 9px; font-size:.76rem; font-weight:600; }
.km-tag.main { background:#e2e8f0; color:#1e293b; border-color:#cbd5e1; }
.km-tag.good { background:var(--pastel-sage-bg); color:var(--pastel-sage-text); border-color:var(--pastel-sage-border); }
.km-tag.bad { background:var(--pastel-rose-bg); color:var(--pastel-rose-text); border-color:var(--pastel-rose-border); }
.km-tag.missed { background:var(--pastel-amber-bg); color:var(--pastel-amber-text); border-color:var(--pastel-amber-border); }
.km-result-box { height:100%; background:#ffffff; border:1px solid var(--border-color); border-radius:10px; padding:13px; }
.km-result-box small { display:block; color:var(--text-secondary); font-weight:700; }
.km-result-box strong { display:block; font-size:1.35rem; margin-top:3px; }
.km-result-box.good { border-left:4px solid var(--pastel-sage-text); }
.km-result-box.bad { border-left:4px solid var(--pastel-rose-text); }
.km-result-box.missed { border-left:4px solid var(--pastel-amber-text); }

/* Kurumsal Nötr Koyu Panel */
.km-match-panel { background: #0f172a; color:#ffffff; border-radius:12px; padding:17px; border-top: 3px solid #334155; }
.km-match-panel small { color:#94a3b8; font-size:.7rem; }
.km-match-big { font-size:2rem; font-weight:900; }
.km-progress.light { background:#334155; }
.km-progress.light span { background:#e2e8f0; }
.km-mini-metric { background:rgba(255,255,255,.07); border-radius:8px; padding:9px; }
.km-mini-metric small { display:block; color: #94a3b8; }
.km-mini-metric strong { font-size:1.05rem; color: #f8fafc; }

/* K-MEANS UMAP */
.km-umap-card {
    background: var(--bg-card);
    overflow: hidden;
}
.km-umap-frame {
    width: 100%;
    height: 650px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: #ffffff;
    margin-top: 10px;
}

@media (max-width:1199px) {
  .km-browser { height:auto; min-height:auto; }
  .km-article-list { max-height:520px; min-height:300px; }
  .km-detail { min-height:600px; }
  .km-umap-frame { height:560px; }
}