/* =====================================================
   ATT&CK MAPPER — Premium Dark Theme
   ===================================================== */

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

:root {
    --bg-deep:       #070b14;
    --bg-card:       rgba(14, 22, 40, 0.82);
    --bg-card-solid: #0e1628;
    --bg-input:      rgba(10, 18, 35, 0.9);
    --border:        rgba(255, 255, 255, 0.07);
    --border-glow:   rgba(96, 165, 250, 0.25);

    --text-primary:  #e8edf6;
    --text-secondary:#7a8aaa;
    --text-muted:    #3e4f6e;

    --blue:    #3b82f6;
    --blue-lt: #60a5fa;
    --purple:  #8b5cf6;
    --green:   #10b981;
    --amber:   #f59e0b;
    --red:     #ef4444;
    --cyan:    #06b6d4;

    /* Tactic colors */
    --tactic-initial-access:        #f97316;
    --tactic-execution:             #eab308;
    --tactic-persistence:           #84cc16;
    --tactic-privilege-escalation:  #10b981;
    --tactic-defense-evasion:       #06b6d4;
    --tactic-credential-access:     #3b82f6;
    --tactic-discovery:             #8b5cf6;
    --tactic-lateral-movement:      #ec4899;
    --tactic-collection:            #f43f5e;
    --tactic-command-and-control:   #ef4444;
    --tactic-exfiltration:          #a855f7;
    --tactic-impact:                #dc2626;
    --tactic-default:               #64748b;

    --radius-sm:  6px;
    --radius-md:  12px;
    --radius-lg:  18px;
    --radius-xl:  24px;

    --shadow-card: 0 4px 32px rgba(0,0,0,0.45), 0 1px 0 rgba(255,255,255,0.04) inset;
}

html { scroll-behavior: smooth; }

body {
    background: var(--bg-deep);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* =====================================================
   BACKGROUND EFFECTS
   ===================================================== */
.bg-grid {
    position: fixed; inset: 0; z-index: 0; pointer-events: none;
    background-image:
        linear-gradient(rgba(59,130,246,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59,130,246,0.04) 1px, transparent 1px);
    background-size: 48px 48px;
}

.bg-orb {
    position: fixed; border-radius: 50%;
    filter: blur(120px); opacity: 0.35;
    pointer-events: none; z-index: 0;
    animation: orbFloat 20s infinite ease-in-out alternate;
}
.orb-1 { width: 600px; height: 600px; top: -200px; left: -150px; background: radial-gradient(circle, #1d4ed8 0%, transparent 70%); }
.orb-2 { width: 500px; height: 500px; bottom: -150px; right: -100px; background: radial-gradient(circle, #6d28d9 0%, transparent 70%); animation-delay: -10s; }
.orb-3 { width: 350px; height: 350px; top: 40%; left: 50%; transform: translateX(-50%); background: radial-gradient(circle, #0e7490 0%, transparent 70%); opacity: 0.2; animation-delay: -5s; }

@keyframes orbFloat {
    from { transform: translate(0, 0) scale(1); }
    to   { transform: translate(30px, 20px) scale(1.08); }
}

/* =====================================================
   LAYOUT
   ===================================================== */
.app-wrapper {
    position: relative; z-index: 1;
    max-width: 1400px; margin: 0 auto;
    padding: 0 24px 48px;
    min-height: 100vh;
    display: flex; flex-direction: column;
}

/* =====================================================
   HEADER
   ===================================================== */
.header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 28px 0 24px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 36px;
}

.header-logo {
    display: flex; align-items: center; gap: 16px;
}

.logo-icon-wrap {
    width: 52px; height: 52px; border-radius: 14px;
    background: linear-gradient(135deg, #1d4ed8 0%, #7c3aed 100%);
    display: flex; align-items: center; justify-content: center;
    font-size: 24px; color: white;
    box-shadow: 0 0 30px rgba(59,130,246,0.4);
}

.header-titles h1 {
    font-size: 26px; font-weight: 800; letter-spacing: -0.5px;
    background: linear-gradient(135deg, #93c5fd, #a78bfa);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    line-height: 1;
}
.header-subtitle {
    font-size: 12.5px; color: var(--text-secondary); margin-top: 4px;
    font-family: 'JetBrains Mono', monospace; letter-spacing: 0.3px;
}

.header-status {
    display: flex; align-items: center; gap: 12px;
}

.status-badge {
    display: flex; align-items: center; gap: 8px;
    background: var(--bg-card); border: 1px solid var(--border);
    padding: 8px 14px; border-radius: 100px;
    font-size: 12px; color: var(--text-secondary);
    backdrop-filter: blur(12px);
}
.status-dot {
    width: 7px; height: 7px; border-radius: 50%;
}
.status-dot.loading { background: var(--amber); animation: pulse 1.2s infinite; }
.status-dot.ready   { background: var(--green); }
.status-dot.error   { background: var(--red); }
.status-dot.warning {
    background: var(--amber, #f59e0b);
    box-shadow: 0 0 6px rgba(245, 158, 11, 0.5);
}

.db-warn {
    color: var(--amber, #f59e0b);
    font-size: 11px;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

/* =====================================================
   MAIN CONTENT
   ===================================================== */
.main-content { flex: 1; display: flex; flex-direction: column; gap: 24px; }

/* =====================================================
   INPUT SECTION
   ===================================================== */
.input-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 24px;
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow-card);
}

.input-label {
    display: flex; align-items: center; gap: 8px;
    font-size: 12px; font-weight: 600; text-transform: uppercase;
    letter-spacing: 1.2px; color: var(--text-secondary);
    margin-bottom: 14px;
}
.input-label i { color: var(--blue-lt); }
.input-label em { font-style: normal; color: var(--text-muted); font-weight: 400; }

.apt-input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 14.5px;
    line-height: 1.7;
    padding: 14px 18px;
    resize: vertical;
    min-height: 140px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.apt-input::placeholder { color: var(--text-muted); }
.apt-input:focus {
    border-color: var(--border-glow);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.12), 0 0 20px rgba(59,130,246,0.08);
}
.apt-input:disabled { opacity: 0.5; cursor: not-allowed; }

.input-controls {
    display: flex; align-items: center; justify-content: space-between;
    margin-top: 12px; gap: 12px;
}
.input-hint {
    display: flex; align-items: center; gap: 6px;
    font-size: 11.5px; color: var(--text-muted);
    flex: 1;
}
.input-hint i { color: var(--amber); }
.input-actions { display: flex; gap: 10px; }

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
    display: inline-flex; align-items: center; gap: 7px;
    padding: 9px 20px; border-radius: 9px; border: none;
    font-size: 13px; font-weight: 600; cursor: pointer;
    transition: all 0.2s; outline: none;
}
.btn:disabled { opacity: 0.4; cursor: not-allowed; pointer-events: none; }

.btn-ghost {
    background: rgba(255,255,255,0.05);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); color: var(--text-primary); }

.btn-primary {
    background: linear-gradient(135deg, #1d4ed8, #7c3aed);
    color: white;
    box-shadow: 0 4px 20px rgba(59,130,246,0.3);
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 28px rgba(59,130,246,0.45);
}
.btn-primary:active { transform: translateY(0); }

/* =====================================================
   FILTER SECTION
   ===================================================== */
.filter-section {
    display: flex; align-items: center; gap: 12px;
    flex-wrap: wrap;
}
.filter-label {
    font-size: 11px; font-weight: 600; text-transform: uppercase;
    letter-spacing: 1px; color: var(--text-secondary);
    white-space: nowrap;
}
.filter-label i { color: var(--blue-lt); }

.tactic-pills { display: flex; gap: 6px; flex-wrap: wrap; flex: 1; }

.pill {
    padding: 5px 12px; border-radius: 100px; border: 1px solid var(--border);
    background: rgba(255,255,255,0.04);
    color: var(--text-secondary);
    font-size: 11px; font-weight: 500;
    cursor: pointer; transition: all 0.18s;
    white-space: nowrap;
}
.pill:hover { background: rgba(255,255,255,0.08); color: var(--text-primary); }
.pill.active {
    background: rgba(59,130,246,0.15);
    border-color: rgba(59,130,246,0.4);
    color: var(--blue-lt);
}

.results-summary {
    font-size: 11.5px; color: var(--text-muted); white-space: nowrap;
    margin-left: auto;
}

/* =====================================================
   RESULTS TABLE
   ===================================================== */
.results-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow-card);
    overflow: hidden;
}

.table-container { overflow-x: auto; }

.mapping-table {
    width: 100%; border-collapse: collapse;
}

.mapping-table thead tr {
    background: rgba(59,130,246,0.06);
    border-bottom: 1px solid rgba(59,130,246,0.15);
}

.mapping-table th {
    padding: 14px 18px;
    text-align: left;
    font-size: 11px; font-weight: 700;
    text-transform: uppercase; letter-spacing: 1.1px;
    color: var(--blue-lt);
    white-space: nowrap;
}
.mapping-table th i { margin-right: 6px; opacity: 0.8; }

.col-input   { width: 22%; min-width: 200px; }
.col-mapping { width: 30%; min-width: 240px; }
.col-scenario{ width: 24%; min-width: 220px; }

/* Rows */
.mapping-row {
    border-bottom: 1px solid var(--border);
    transition: background 0.15s;
}
.mapping-row:last-child { border-bottom: none; }
.mapping-row:hover { background: rgba(255,255,255,0.025); }
.mapping-row.filtered-out { display: none; }

.mapping-table td {
    padding: 16px 18px;
    vertical-align: top;
    font-size: 13px;
}

/* --- Col 1: Input --- */
.apt-action-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.6;
    background: rgba(0,0,0,0.2);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    border-left: 2px solid var(--text-muted);
}
.apt-translated {
    font-size: 11px; color: var(--text-muted);
    margin-top: 6px; font-style: italic;
    display: flex; align-items: center; gap: 4px;
}
.apt-translated i { color: var(--cyan); font-size: 10px; }

/* --- Col 2: Mapping --- */
.tactic-badge {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 4px 10px; border-radius: 5px;
    font-size: 11px; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.8px;
    margin-bottom: 8px;
    white-space: nowrap;
}

/* Tactic colors */
.tactic-initial-access        { background: rgba(249,115,22,0.15); color: #fb923c; border: 1px solid rgba(249,115,22,0.3); }
.tactic-execution             { background: rgba(234,179,8,0.15);  color: #fbbf24; border: 1px solid rgba(234,179,8,0.3);  }
.tactic-persistence           { background: rgba(132,204,22,0.15); color: #a3e635; border: 1px solid rgba(132,204,22,0.3); }
.tactic-privilege-escalation  { background: rgba(16,185,129,0.15); color: #34d399; border: 1px solid rgba(16,185,129,0.3); }
.tactic-defense-evasion       { background: rgba(6,182,212,0.15);  color: #22d3ee; border: 1px solid rgba(6,182,212,0.3);  }
.tactic-credential-access     { background: rgba(59,130,246,0.15); color: #60a5fa; border: 1px solid rgba(59,130,246,0.3); }
.tactic-discovery             { background: rgba(139,92,246,0.15); color: #a78bfa; border: 1px solid rgba(139,92,246,0.3); }
.tactic-lateral-movement      { background: rgba(236,72,153,0.15); color: #f472b6; border: 1px solid rgba(236,72,153,0.3); }
.tactic-collection            { background: rgba(244,63,94,0.15);  color: #fb7185; border: 1px solid rgba(244,63,94,0.3);  }
.tactic-command-and-control   { background: rgba(239,68,68,0.15);  color: #f87171; border: 1px solid rgba(239,68,68,0.3);  }
.tactic-exfiltration          { background: rgba(168,85,247,0.15); color: #c084fc; border: 1px solid rgba(168,85,247,0.3); }
.tactic-impact                { background: rgba(220,38,38,0.15);  color: #f87171; border: 1px solid rgba(220,38,38,0.3);  }
.tactic-default               { background: rgba(100,116,139,0.15);color: #94a3b8; border: 1px solid rgba(100,116,139,0.3);}

.techniques-list { display: flex; flex-direction: column; gap: 6px; }

.technique-card {
    background: rgba(0,0,0,0.25);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px 10px;
    transition: border-color 0.2s;
}
.technique-card:hover { border-color: var(--border-glow); }

.t-code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px; font-weight: 600;
    color: var(--blue-lt);
    background: rgba(59,130,246,0.1);
    padding: 1px 7px; border-radius: 4px;
    display: inline-block; margin-bottom: 4px;
}

.t-name {
    font-size: 12px; font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.t-desc {
    font-size: 11px; color: var(--text-secondary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.t-link {
    display: inline-flex; align-items: center; gap: 4px;
    font-size: 10.5px; color: var(--blue);
    text-decoration: none; margin-top: 4px;
    transition: color 0.15s;
}
.t-link:hover { color: var(--blue-lt); }
.t-link i { font-size: 9px; }

.no-match-cell {
    color: var(--text-muted); font-size: 12px; font-style: italic;
    display: flex; align-items: center; gap: 6px;
}
.no-match-cell i { color: var(--amber); }

/* --- Col 3: Scenario --- */
.scenario-block { display: flex; flex-direction: column; gap: 8px; }

.detection-item {
    display: flex; gap: 10px; align-items: flex-start;
}

.detection-source {
    flex-shrink: 0;
    padding: 3px 9px; border-radius: 4px;
    font-size: 11px; font-weight: 700;
    letter-spacing: 0.5px;
    white-space: nowrap;
    margin-top: 1px;
    cursor: pointer;
    transition: filter 0.15s, transform 0.15s;
}
.detection-source:hover {
    filter: brightness(1.2);
    transform: scale(1.02);
}
.ds-sysmon   { background: rgba(16,185,129,0.15); color: #34d399; border: 1px solid rgba(16,185,129,0.3); }
.ds-suricata { background: rgba(249,115,22,0.15); color: #fb923c; border: 1px solid rgba(249,115,22,0.3); }
.ds-wazuh    { background: rgba(139,92,246,0.15); color: #a78bfa; border: 1px solid rgba(139,92,246,0.3); }
.ds-auth     { background: rgba(59,130,246,0.15); color: #60a5fa; border: 1px solid rgba(59,130,246,0.3); }
.ds-dns      { background: rgba(6,182,212,0.15);  color: #22d3ee; border: 1px solid rgba(6,182,212,0.3); }
.ds-generic  { background: rgba(100,116,139,0.15);color: #94a3b8; border: 1px solid rgba(100,116,139,0.3); }

/* Log detected but no rule in DB -> dimmed/dashed border */
.detection-source.ds-no-rule {
    opacity: 0.45;
    border-style: dashed;
    filter: saturate(0.5);
}
.detection-source.ds-no-rule:hover {
    opacity: 0.7;
    filter: saturate(0.8);
}

/* Rule count badge inside detection source pill */
.ds-rule-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.18);
    border-radius: 10px;
    min-width: 16px;
    height: 16px;
    font-size: 9px;
    font-weight: 800;
    padding: 0 4px;
    margin-left: 3px;
    vertical-align: middle;
}

.detection-text {
    font-size: 12px; color: var(--text-secondary); line-height: 1.6; flex: 1;
}
.detection-text .highlight {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px; color: var(--amber);
    background: rgba(245,158,11,0.1);
    padding: 0px 4px; border-radius: 3px;
}

/* =====================================================
   COVERAGE MATRIX (Section 3 - Inline)
   ===================================================== */
.cov-matrix-block {
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 10px;
    overflow: hidden;
    transition: border-color 0.2s;
}
.cov-matrix-block:hover {
    border-color: rgba(255,255,255,0.12);
}
.cov-matrix-block:last-child { margin-bottom: 0; }

.cov-matrix-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 10px;
    background: rgba(59,130,246,0.06);
    border-bottom: 1px solid var(--border);
}
.cov-tcode {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 700;
    color: var(--blue-lt);
    background: rgba(59,130,246,0.12);
    padding: 2px 6px;
    border-radius: 3px;
    flex-shrink: 0;
}
.cov-tname {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cov-matrix-body {
    padding: 8px 10px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

/* Data source tags row */
.cov-ds-row, .cov-tools-row {
    display: flex;
    align-items: center;
    gap: 5px;
    flex-wrap: wrap;
}

/* STIX Data Source & Components */
.stix-ds-compact {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 4px;
}
.stix-ds-item {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
}
.stix-ds-name {
    font-size: 10px;
    font-weight: 700;
    color: var(--text-muted);
    margin-right: 2px;
}
.stix-ds-name i {
    margin-right: 4px;
}
.stix-dc-list {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}
.stix-dc-tag {
    display: inline-flex;
    align-items: center;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 9px;
    font-weight: 500;
    color: var(--text-secondary);
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.06);
    white-space: nowrap;
}

/* ── Tool Badges ─────────────────────────────────────────────────── */
.cov-tool-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.15s ease;
    user-select: none;
}

/* Có rule — xanh lá, nổi bật */
.cov-tool-badge.has-rule {
    background: rgba(16, 185, 129, 0.15);
    color: var(--green);
    border-color: rgba(16, 185, 129, 0.4);
}
.cov-tool-badge.has-rule:hover {
    background: rgba(16, 185, 129, 0.28);
    border-color: var(--green);
    transform: translateY(-1px);
}

/* Chỉ log coverage — xanh dương, ít nổi hơn một chút */
.cov-tool-badge.log-coverage {
    background: rgba(96, 165, 250, 0.12);
    color: var(--blue-lt);
    border-color: rgba(96, 165, 250, 0.35);
}
.cov-tool-badge.log-coverage:hover {
    background: rgba(96, 165, 250, 0.22);
    border-color: var(--blue-lt);
    transform: translateY(-1px);
}

.rule-count {
    background: rgba(16, 185, 129, 0.3);
    color: var(--green);
    border-radius: 10px;
    padding: 1px 6px;
    font-size: 10px;
    font-weight: 700;
}

.tools-badge-group {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    padding: 6px 0;
}

.cov-empty-note {
    color: var(--text-muted);
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    opacity: 0.65;
    font-style: italic;
}

/* ── Tool Detail Modal ───────────────────────────────────────────── */
.tool-detail-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(2px);
}

.modal-box {
    position: relative;
    background: var(--bg-card, #1a1f2e);
    border: 1px solid var(--border);
    border-radius: 12px;
    width: min(480px, 90vw);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.modal-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    font-weight: 700;
    font-size: 14px;
}

.modal-tool-name { color: var(--blue-lt); }
.modal-sep       { color: var(--text-muted); }
.modal-tech-id   { color: var(--green); }

.modal-close {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 14px;
}
.modal-close:hover { color: var(--text-primary); background: rgba(255,255,255,0.06); }

.modal-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.modal-section-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.modal-components {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.component-tag {
    background: rgba(96,165,250,0.15);
    color: var(--blue-lt);
    border: 1px solid rgba(96,165,250,0.3);
    border-radius: 4px;
    padding: 3px 9px;
    font-size: 12px;
}

.modal-rule-info {
    background: rgba(16,185,129,0.08);
    border: 1px solid rgba(16,185,129,0.25);
    border-radius: 8px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    font-size: 13px;
}

.modal-rule-info.no-rule {
    background: rgba(96,165,250,0.08);
    border-color: rgba(96,165,250,0.25);
}

.rule-name  { color: var(--green); font-size: 12px; }
.rule-hint  { color: var(--text-muted); font-size: 12px; margin-top: 4px; }

/* ── Column headers ─────────────────────────────────────────────── */
.header-cell {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.header-title {
    font-weight: 600;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 7px;
}

.header-desc {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 400;
    font-style: italic;
    padding-left: 21px; /* align với text sau icon */
}

/* ── Legend ─────────────────────────────────────────────────────── */
.tool-legend {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    padding: 10px 14px;
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 12px;
    font-size: 12px;
}

.legend-title {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 7px;
}

.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.legend-dot.has-rule {
    background: var(--green);
    box-shadow: 0 0 6px rgba(16,185,129,0.5);
}

.legend-dot.log-coverage {
    background: var(--blue-lt);
    box-shadow: 0 0 6px rgba(96,165,250,0.4);
    opacity: 0.8;
}

.legend-text strong {
    color: var(--text-primary);
}

.legend-text {
    color: var(--text-muted);
}

/* Confidence colors in modal */
.conf-high { color: var(--green); font-weight: 600; }
.conf-med  { color: var(--amber); font-weight: 600; }
.conf-low  { color: var(--red);   font-weight: 600; }


/* =====================================================
   EMPTY STATE
   ===================================================== */
.empty-state {
    display: flex; flex-direction: column; align-items: center;
    justify-content: center; padding: 80px 40px;
    text-align: center; gap: 16px;
}
.empty-icon {
    font-size: 56px;
    background: linear-gradient(135deg, var(--blue), var(--purple));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    margin-bottom: 8px; opacity: 0.6;
}
.empty-state h2 { font-size: 22px; font-weight: 700; color: var(--text-primary); }
.empty-state p  { font-size: 14px; color: var(--text-secondary); max-width: 520px; }

.quick-examples {
    margin-top: 24px; display: flex; flex-direction: column;
    align-items: center; gap: 12px;
}
.qe-label {
    font-size: 11px; text-transform: uppercase; letter-spacing: 1px;
    color: var(--text-muted);
}
.qe-chips { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.qe-chip {
    padding: 8px 18px; border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.04);
    color: var(--text-secondary);
    font-size: 12.5px; font-weight: 500;
    cursor: pointer; transition: all 0.2s;
}
.qe-chip:hover {
    background: rgba(59,130,246,0.1);
    border-color: rgba(59,130,246,0.35);
    color: var(--blue-lt);
    transform: translateY(-1px);
}

/* =====================================================
   LOADING STATE
   ===================================================== */
.loading-state {
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    padding: 80px 40px; gap: 16px;
}
.loading-spinner-big {
    font-size: 42px;
    color: var(--blue);
    filter: drop-shadow(0 0 20px rgba(59,130,246,0.6));
}
.loading-state p { font-size: 14px; color: var(--text-secondary); }

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
    display: flex; align-items: center; justify-content: center;
    gap: 12px; padding: 20px 0 8px;
    font-size: 11.5px; color: var(--text-muted);
    border-top: 1px solid var(--border);
    margin-top: 32px;
}
.footer a { color: var(--blue); text-decoration: none; }
.footer a:hover { color: var(--blue-lt); }
.footer-sep { opacity: 0.4; }

/* =====================================================
   MODAL / POPOVER
   ===================================================== */
.modal-overlay {
    position: fixed; inset: 0; z-index: 999;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex; align-items: center; justify-content: center;
    padding: 20px;
    opacity: 1; transition: opacity 0.2s;
}
.modal-container {
    background: var(--bg-card-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 100%; max-width: 550px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
    overflow: hidden;
    transform: translateY(0) scale(1);
    transition: transform 0.2s;
}
.modal-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    background: rgba(0,0,0,0.1);
}
.modal-header h3 { font-size: 16px; font-weight: 700; color: var(--text-primary); }
.btn-close-modal {
    background: transparent; border: none;
    color: var(--text-secondary); font-size: 18px;
    cursor: pointer; transition: color 0.2s;
}
.btn-close-modal:hover { color: var(--red); }

.modal-content-body {
    padding: 20px;
    font-size: 14.5px; color: var(--text-secondary);
    line-height: 1.6;
}
.modal-content-body p { margin-bottom: 12px; }
.modal-content-body ul { padding-left: 20px; margin-bottom: 12px; }
.modal-content-body li { margin-bottom: 6px; }

.rule-box {
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--border);
    border-left: 3px solid var(--blue);
    padding: 12px; border-radius: 6px;
    margin: 16px 0;
}
.rule-box h4 { font-size: 13px; color: var(--text-primary); margin-bottom: 6px; }
.rule-box code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12.5px; color: var(--amber);
    display: block; white-space: pre-wrap;
    word-wrap: break-word;
}

/* =====================================================
   DETECTION MATRIX
   ===================================================== */
.modal-matrix-container {
    max-width: 95%;
    height: 90vh;
    display: flex;
    flex-direction: column;
}
.matrix-body {
    flex: 1;
    overflow: auto;
    padding: 0;
}
/* ── Matrix tactic sections ─────────────────────────────────────── */
.matrix-tactic-section {
    margin-bottom: 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.matrix-tactic-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: rgba(255,255,255,0.03);
    cursor: pointer;
    user-select: none;
}

.matrix-tactic-header:hover {
    background: rgba(255,255,255,0.06);
}

.tactic-name {
    font-weight: 600;
    font-size: 13px;
    flex: 1;
    text-transform: capitalize;
}

.tactic-count {
    font-size: 11px;
    color: var(--text-muted);
}

.toggle-icon {
    font-size: 11px;
    color: var(--text-muted);
    transition: transform 0.2s ease;
}

.matrix-tactic-section.collapsed .toggle-icon {
    transform: rotate(-90deg);
}

.matrix-tactic-section.collapsed .matrix-tactic-body {
    display: none;
}

.matrix-tactic-body {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 12px;
}

.matrix-cell {
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 11px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.02);
    cursor: default;
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 120px;
    max-width: 160px;
}

/* Technique đã match — highlight */
.matrix-cell.matched {
    background: rgba(96,165,250,0.15);
    border-color: rgba(96,165,250,0.5);
}

.matrix-cell.matched .matrix-cell-id {
    color: var(--blue-lt);
}

.matrix-cell-id {
    font-weight: 700;
    font-size: 10px;
    color: var(--text-muted);
}

.matrix-cell-name {
    font-size: 11px;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* =====================================================
   SIDE DRAWER
   ===================================================== */
.drawer-overlay {
    position: fixed; inset: 0; z-index: 1000;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(2px);
    opacity: 0; visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}
.drawer-overlay.open {
    opacity: 1; visibility: visible;
}

.side-drawer {
    position: fixed; top: 0; right: 0; bottom: 0;
    width: 380px; max-width: 100%;
    background: var(--bg-card-solid);
    border-left: 1px solid var(--border);
    z-index: 1001;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex; flex-direction: column;
    box-shadow: -10px 0 40px rgba(0,0,0,0.5);
}
.side-drawer.open {
    transform: translateX(0);
}

.drawer-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    background: rgba(0,0,0,0.1);
}
.drawer-header h3 { font-size: 16px; font-weight: 700; color: var(--text-primary); }
.drawer-content {
    flex: 1; padding: 24px; overflow-y: auto;
}

.drawer-menu-item {
    display: flex; align-items: center; gap: 14px;
    padding: 16px; border-radius: var(--radius-md);
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    margin-bottom: 12px;
    cursor: pointer; transition: all 0.2s;
    position: relative; overflow: hidden;
}
.drawer-menu-item:hover {
    background: rgba(59,130,246,0.08);
    border-color: rgba(59,130,246,0.3);
    transform: translateY(-2px);
}
.drawer-menu-item i {
    font-size: 20px; color: var(--blue-lt);
    width: 24px; text-align: center;
}
.dmi-text {
    display: flex; flex-direction: column; flex: 1;
}
.dmi-text strong { font-size: 14px; color: var(--text-primary); margin-bottom: 2px; }
.dmi-text span { font-size: 12px; color: var(--text-secondary); }

.dmi-badge {
    font-size: 10px; font-weight: 700; text-transform: uppercase;
    background: rgba(245, 158, 11, 0.15); color: var(--amber);
    padding: 3px 8px; border-radius: 4px; border: 1px solid rgba(245, 158, 11, 0.3);
}

/* =====================================================
   ANIMATIONS
   ===================================================== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}
.animate-in { animation: fadeInUp 0.4s ease-out both; }

.mapping-row { animation: fadeInUp 0.3s ease-out both; }

/* =====================================================
   SCROLLBAR
   ===================================================== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 768px) {
    .app-wrapper { padding: 0 16px 32px; }
    .header { flex-direction: column; align-items: flex-start; gap: 12px; }
    .filter-section { flex-direction: column; align-items: flex-start; }
    .input-controls { flex-direction: column; align-items: flex-start; }
    .col-input { min-width: 160px; }
    .col-mapping { min-width: 200px; }
    .col-scenario { min-width: 260px; }
}

/* ─── Results Statistics ───────────────────────────────────────── */
.results-stats-container {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin: 12px 0;
    padding: 12px;
    background: rgba(96, 165, 250, 0.08);
    border: 1px solid rgba(96, 165, 250, 0.15);
    border-radius: var(--radius-md);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-secondary);
}

.stat-item i {
    color: var(--blue-lt);
    font-size: 14px;
}

.stat-value {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
    min-width: 20px;
}

.stat-label {
    color: var(--text-muted);
}