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

:root {
  --bg:         #080d08;
  --bg-panel:   #0c1209;
  --bg-input:   #0f180b;
  --border:     #1a2e1a;
  --green:      #39ff6e;
  --green-dim:  #1d6b38;
  --green-glow: rgba(57, 255, 110, 0.12);
  --red:        #ff4444;
  --orange:     #ff8c42;
  --yellow:     #f0c040;
  --blue:       #4fc3f7;
  --teal:       #26c6da;
  --text:       #c2dfc4;
  --text-dim:   #456648;
  --font:       'Courier New', Courier, monospace;
}

html { height: 100%; }

body {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
}

/* ─── Header ─────────────────────────────────────────────────────────────── */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  height: 46px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--green-dim);
  box-shadow: 0 2px 20px rgba(57, 255, 110, 0.05);
  flex-shrink: 0;
}

.header-left { display: flex; align-items: baseline; gap: 14px; }

.logo {
  font-size: 16px;
  font-weight: bold;
  color: var(--green);
  letter-spacing: 4px;
  text-shadow: 0 0 12px rgba(57, 255, 110, 0.55);
}

.subtitle { font-size: 10px; color: var(--text-dim); letter-spacing: 1px; }

.header-right { display: flex; align-items: center; gap: 12px; font-size: 10px; color: var(--text-dim); letter-spacing: 1px; }

.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
  animation: pulse 2.4s infinite;
}

@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

.clock { font-size: 13px; color: var(--green); letter-spacing: 2px; font-weight: bold; }

/* ─── Reset Button ───────────────────────────────────────────────────────── */
.btn-reset {
  font-family: var(--font);
  font-size: 9px;
  letter-spacing: 2px;
  padding: 5px 10px;
  background: transparent;
  border: 1px solid #3a1a1a;
  color: #a05050;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.18s;
}
.btn-reset:hover { border-color: var(--red); color: var(--red); background: rgba(255,68,68,0.08); }

/* ─── Mission Briefing ───────────────────────────────────────────────────── */
.mission-briefing {
  display: flex;
  align-items: center;
  gap: 0;
  height: 52px;
  background: #09100a;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  overflow: hidden;
}

.case-selector {
  display: flex;
  height: 100%;
  flex-shrink: 0;
}

.case-tab {
  font-family: var(--font);
  font-size: 9px;
  letter-spacing: 2px;
  padding: 0 14px;
  height: 100%;
  background: transparent;
  border: none;
  border-right: 1px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.case-tab:hover { background: var(--green-glow); color: var(--text); }

.case-tab.active {
  background: rgba(57,255,110,0.07);
  color: var(--green);
  border-bottom: 2px solid var(--green);
}

.briefing-divider { width: 1px; height: 28px; background: var(--border); flex-shrink: 0; margin: 0 16px; }

.briefing-meta { display: flex; flex-direction: column; justify-content: center; gap: 2px; overflow: hidden; }

.briefing-case-id { font-size: 9px; font-weight: bold; letter-spacing: 3px; color: var(--green); white-space: nowrap; }

.briefing-text { font-size: 10px; color: var(--text-dim); line-height: 1.4; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ─── Tutorial Bar ───────────────────────────────────────────────────────── */
.tutorial-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 18px;
  height: 44px;
  background: #071209;
  border-bottom: 1px solid rgba(38, 198, 218, 0.3);
  flex-shrink: 0;
  overflow: hidden;
}

.tut-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--teal);
  white-space: nowrap;
  flex-shrink: 0;
}

.tut-pulse {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 5px var(--teal);
  animation: pulse 1.4s infinite;
  flex-shrink: 0;
}

.tut-step-counter {
  font-size: 8px;
  letter-spacing: 1px;
  color: rgba(38,198,218,0.6);
  border: 1px solid rgba(38,198,218,0.3);
  padding: 1px 5px;
  border-radius: 2px;
}

.tut-instruction {
  flex: 1;
  font-size: 11px;
  color: var(--text);
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tut-skip {
  font-family: var(--font);
  font-size: 8px;
  letter-spacing: 1px;
  padding: 3px 8px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 2px;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.15s;
}
.tut-skip:hover { border-color: var(--text-dim); color: var(--text); }

.tut-complete {
  color: var(--green);
  font-size: 10px;
  letter-spacing: 1px;
  flex: 1;
}

/* ─── Dashboard ──────────────────────────────────────────────────────────── */
.dashboard {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  overflow: hidden;
  min-height: 0;
}

/* ─── Panel ───────────────────────────────────────────────────────────────── */
.panel { background: var(--bg-panel); display: flex; flex-direction: column; overflow: hidden; }

.panel-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-bottom: 1px solid var(--border);
  background: #0a1009;
  flex-shrink: 0;
}

.panel-icon { color: var(--green); font-size: 12px; opacity: 0.6; }

.panel-header h2 {
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--green);
  font-weight: bold;
  flex: 1;
}

.panel-tag {
  font-size: 8px;
  letter-spacing: 2px;
  color: var(--green);
  border: 1px solid var(--green-dim);
  padding: 2px 6px;
  border-radius: 2px;
  animation: blink 3.5s step-end infinite;
}

@keyframes blink { 0%, 100% { opacity: 1; } 60% { opacity: 0.25; } }

.panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 9px;
  min-height: 0;
}

.panel-body::-webkit-scrollbar { width: 3px; }
.panel-body::-webkit-scrollbar-track { background: transparent; }
.panel-body::-webkit-scrollbar-thumb { background: var(--green-dim); border-radius: 2px; }

.panel-footer { font-size: 9px; color: var(--text-dim); letter-spacing: 0.5px; padding-top: 2px; }

/* ─── Tool Tabs (Decoder / Network Analyzer) ─────────────────────────────── */
.tool-tabs {
  display: flex;
  height: 30px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
  background: #080d08;
}

.tool-tab {
  font-family: var(--font);
  font-size: 8px;
  letter-spacing: 2px;
  padding: 0 14px;
  height: 100%;
  background: transparent;
  border: none;
  border-right: 1px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.tool-tab:hover { color: var(--text); background: rgba(255,255,255,0.03); }

.tool-tab.active {
  color: var(--green);
  background: rgba(57,255,110,0.06);
  border-bottom: 2px solid var(--green);
}

/* ─── Log Viewer ─────────────────────────────────────────────────────────── */
.log-controls { display: flex; align-items: center; gap: 5px; flex-shrink: 0; }

.log-filter-label { font-size: 9px; color: var(--text-dim); letter-spacing: 1px; }

.filter-btn {
  font-family: var(--font);
  font-size: 8px;
  letter-spacing: 1px;
  padding: 3px 8px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  border-radius: 2px;
  transition: all 0.15s;
}
.filter-btn:hover, .filter-btn.active { border-color: var(--green-dim); color: var(--green); background: var(--green-glow); }

.log-list { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 2px; min-height: 0; }
.log-list::-webkit-scrollbar { width: 3px; }
.log-list::-webkit-scrollbar-thumb { background: var(--green-dim); }

.log-entry {
  display: grid;
  grid-template-columns: 14px 74px 48px 1fr;
  gap: 7px;
  align-items: start;
  padding: 5px 8px;
  border: 1px solid transparent;
  border-left: 3px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s;
  font-size: 11px;
  line-height: 1.45;
  user-select: none;
}

.log-entry:hover { background: rgba(57,255,110,0.06); border-left-color: var(--green-dim); }

.log-entry.selected {
  background: rgba(57,255,110,0.09);
  border-color: rgba(57,255,110,0.2);
  border-left-color: var(--green);
}
.log-entry.selected:hover { background: rgba(57,255,110,0.13); }

.log-select-indicator { color: var(--green); font-size: 10px; font-weight: bold; text-align: center; align-self: center; line-height: 1; }

@keyframes dismissFlash {
  0%   { background: rgba(255,68,68,0); }
  30%  { background: rgba(255,68,68,0.14); }
  100% { background: rgba(255,68,68,0); }
}
.log-entry.dismissed { animation: dismissFlash 0.65s ease forwards; border-left-color: var(--red) !important; }

.log-time { color: var(--text-dim); font-size: 10px; align-self: center; }

.log-level {
  font-size: 8px;
  font-weight: bold;
  letter-spacing: 1px;
  padding: 2px 4px;
  border-radius: 2px;
  text-align: center;
  align-self: start;
  margin-top: 2px;
}

.level-INFO  { color: var(--blue);   border: 1px solid rgba(79,195,247,0.3);  background: rgba(79,195,247,0.06); }
.level-WARN  { color: var(--yellow); border: 1px solid rgba(240,192,64,0.3);  background: rgba(240,192,64,0.06); }
.level-ERROR { color: var(--red);    border: 1px solid rgba(255,68,68,0.3);   background: rgba(255,68,68,0.06); }

.log-msg { color: var(--text); word-break: break-word; }
.log-msg .highlight { color: var(--yellow); }

/* ─── Decoder Tool ───────────────────────────────────────────────────────── */
.decoder-info {
  font-size: 10px;
  color: var(--text-dim);
  line-height: 1.7;
  border-left: 2px solid var(--green-dim);
  padding-left: 10px;
}

.field-label { font-size: 8px; letter-spacing: 2px; color: var(--green-dim); display: block; text-transform: uppercase; }

textarea, select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font);
  font-size: 11px;
  padding: 7px 10px;
  border-radius: 2px;
  resize: vertical;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
textarea { min-height: 54px; }
textarea:focus, select:focus { border-color: var(--green-dim); box-shadow: 0 0 0 1px rgba(57,255,110,0.1); }
select option { background: #0c1209; }

.decode-method-row { display: flex; align-items: center; gap: 10px; }
.decode-method-row select { flex: 1; }

.btn-load-clue {
  font-family: var(--font);
  font-size: 9px;
  letter-spacing: 2px;
  padding: 7px 12px;
  width: 100%;
  background: rgba(57,255,110,0.04);
  border: 1px dashed var(--green-dim);
  color: var(--green-dim);
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.18s;
}
.btn-load-clue:hover { background: rgba(57,255,110,0.1); border-color: var(--green); color: var(--green); }
.btn-load-clue.loaded { border-style: solid; border-color: var(--green); color: var(--green); background: rgba(57,255,110,0.07); }

.decode-output {
  background: var(--bg-input);
  border: 1px solid var(--border);
  padding: 8px 10px;
  font-size: 11px;
  color: var(--green);
  min-height: 44px;
  border-radius: 2px;
  word-break: break-all;
  white-space: pre-wrap;
  line-height: 1.5;
}

.clue-discovery {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: rgba(57,255,110,0.07);
  border: 1px solid var(--green);
  border-left: 4px solid var(--green);
  padding: 9px 12px;
  border-radius: 2px;
}
@keyframes discoveryFlash {
  0%   { background: rgba(57,255,110,0.3); }
  100% { background: rgba(57,255,110,0.07); }
}
.clue-discovery.flash { animation: discoveryFlash 0.8s ease forwards; }
.clue-discovery-icon { font-size: 18px; line-height: 1; flex-shrink: 0; margin-top: 1px; }
.clue-discovery-title { font-size: 9px; letter-spacing: 2px; color: var(--green); font-weight: bold; margin-bottom: 4px; }
.clue-discovery-body { font-size: 11px; color: var(--text); line-height: 1.5; word-break: break-word; }

/* ─── Network Analyzer ───────────────────────────────────────────────────── */
.net-summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 8px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 2px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

.net-summary-item {
  font-size: 9px;
  color: var(--text-dim);
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.net-summary-item .val { color: var(--green); font-weight: bold; font-size: 11px; }
.net-summary-item .val-warn { color: var(--orange); font-weight: bold; font-size: 11px; }

.net-no-data {
  color: var(--text-dim);
  font-size: 10px;
  text-align: center;
  padding: 20px 0;
  line-height: 2;
}

.net-header {
  display: grid;
  grid-template-columns: 62px 120px 1fr 56px 38px 80px;
  gap: 6px;
  padding: 4px 8px;
  font-size: 8px;
  letter-spacing: 1px;
  color: var(--green-dim);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.net-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-height: 0;
}

.net-list::-webkit-scrollbar { width: 3px; }
.net-list::-webkit-scrollbar-thumb { background: var(--green-dim); }

.net-row {
  display: grid;
  grid-template-columns: 62px 120px 1fr 56px 38px 80px;
  gap: 6px;
  align-items: center;
  padding: 6px 8px;
  font-size: 10px;
  border: 1px solid transparent;
  border-left: 3px solid transparent;
  border-radius: 2px;
  cursor: default;
  transition: background 0.12s;
  user-select: none;
}

.net-row:hover { background: rgba(57,255,110,0.04); }

.net-row.suspicious {
  border-left-color: var(--orange);
  background: rgba(255,140,66,0.04);
  cursor: pointer;
}

.net-row.suspicious:hover { background: rgba(255,140,66,0.09); }

.net-row.suspicious.selected {
  background: rgba(255,140,66,0.11);
  border-color: rgba(255,140,66,0.25);
  border-left-color: var(--orange);
}

.net-time { color: var(--text-dim); font-size: 9px; }

.net-src { color: var(--yellow); font-size: 10px; }

.net-dst { color: var(--text); font-size: 10px; }

.net-dst .ext { color: var(--orange); }

.net-size { color: var(--text-dim); font-size: 9px; text-align: right; }

.net-size.large { color: var(--orange); font-weight: bold; }

.net-freq {
  font-size: 9px;
  font-weight: bold;
  text-align: center;
}

.net-freq.high { color: var(--orange); }
.net-freq.normal { color: var(--text-dim); }

.net-status { display: flex; align-items: center; gap: 4px; }

.net-badge {
  font-size: 7px;
  letter-spacing: 1px;
  padding: 1px 5px;
  border-radius: 2px;
  font-weight: bold;
  white-space: nowrap;
}

.net-badge.normal { color: var(--text-dim); border: 1px solid var(--border); }

.net-badge.flagged {
  color: var(--orange);
  border: 1px solid rgba(255,140,66,0.4);
  background: rgba(255,140,66,0.08);
}

.net-badge.critical {
  color: var(--red);
  border: 1px solid rgba(255,68,68,0.4);
  background: rgba(255,68,68,0.08);
}

.net-select-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--orange);
  display: none;
  flex-shrink: 0;
}

.net-row.suspicious.selected .net-select-dot { display: block; }

/* ─── Buttons ────────────────────────────────────────────────────────────── */
.btn-primary, .btn-secondary, .btn-danger {
  font-family: var(--font);
  font-size: 10px;
  letter-spacing: 2px;
  padding: 8px 14px;
  border-radius: 2px;
  cursor: pointer;
  border: 1px solid;
  transition: all 0.18s;
  width: 100%;
}

.btn-primary { background: transparent; border-color: var(--green); color: var(--green); }
.btn-primary:hover:not(:disabled) { background: var(--green); color: #030803; box-shadow: 0 0 14px rgba(57,255,110,0.4); }
.btn-primary:disabled { opacity: 0.35; cursor: not-allowed; }

.btn-secondary { background: transparent; border-color: var(--green-dim); color: var(--text-dim); }
.btn-secondary:hover { border-color: var(--green); color: var(--green); background: var(--green-glow); }

.btn-danger { background: transparent; border-color: #3a1414; color: #a05050; font-size: 9px; padding: 5px 10px; }
.btn-danger:hover { background: rgba(255,68,68,0.08); border-color: var(--red); color: var(--red); }

/* ─── Evidence Board ─────────────────────────────────────────────────────── */
.evidence-list { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 5px; min-height: 0; }
.evidence-list::-webkit-scrollbar { width: 3px; }
.evidence-list::-webkit-scrollbar-thumb { background: var(--green-dim); }

.evidence-empty { color: var(--text-dim); font-size: 10px; line-height: 2; text-align: center; margin-top: 24px; }

.evidence-item {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-left: 3px solid var(--green-dim);
  padding: 7px 30px 7px 10px;
  font-size: 11px;
  border-radius: 2px;
  position: relative;
  animation: slideIn 0.18s ease;
}
.evidence-item.net-evidence { border-left-color: var(--orange); }

@keyframes slideIn { from { opacity: 0; transform: translateX(-6px); } to { opacity: 1; transform: translateX(0); } }

.evidence-item .ev-label { font-size: 8px; color: var(--green-dim); letter-spacing: 1px; margin-bottom: 3px; text-transform: uppercase; }
.evidence-item.net-evidence .ev-label { color: rgba(255,140,66,0.6); }
.evidence-item .ev-content { color: var(--text); word-break: break-word; line-height: 1.4; }

.evidence-item .ev-remove {
  position: absolute; top: 7px; right: 8px;
  background: none; border: none; color: var(--text-dim);
  cursor: pointer; font-size: 11px; font-family: var(--font); padding: 0; transition: color 0.15s;
}
.evidence-item .ev-remove:hover { color: var(--red); }

/* ─── Report Panel ───────────────────────────────────────────────────────── */
.report-brief {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-left: 3px solid var(--yellow);
  padding: 9px 12px;
  border-radius: 2px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.brief-row { display: grid; grid-template-columns: 72px 1fr; gap: 8px; align-items: baseline; font-size: 10px; }
.brief-label { color: var(--text-dim); letter-spacing: 1px; font-size: 8px; text-transform: uppercase; }
.brief-value { color: var(--text); line-height: 1.4; }
.brief-value.critical { color: var(--red); font-weight: bold; }
.brief-value.high     { color: var(--orange); font-weight: bold; }
.brief-value.low      { color: var(--yellow); }
.brief-value.training { color: var(--teal); }

/* ─── Report Fields ──────────────────────────────────────────────────────── */
#report-fields {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

/* ─── Attack Chain ───────────────────────────────────────────────────────── */
.attack-chain { display: flex; flex-direction: column; gap: 5px; }

.chain-step { display: grid; grid-template-columns: 110px 1fr; gap: 8px; align-items: center; }

.chain-label { font-size: 8px; letter-spacing: 1px; color: var(--text-dim); text-transform: uppercase; white-space: nowrap; }

.chain-select { min-height: unset; padding: 5px 8px; font-size: 10px; resize: none; }

/* ─── Network Report Fields ──────────────────────────────────────────────── */
.net-report-hint {
  font-size: 9px;
  color: rgba(255,140,66,0.7);
  border-left: 2px solid rgba(255,140,66,0.4);
  padding: 6px 10px;
  line-height: 1.7;
  background: rgba(255,140,66,0.04);
}

/* ─── Report Result ──────────────────────────────────────────────────────── */
.report-result { border-radius: 2px; overflow: hidden; }

.report-verdict {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px; font-size: 13px; font-weight: bold; letter-spacing: 2px;
  word-break: break-word;
}
.report-verdict.solved { background: rgba(57,255,110,0.12); border: 1px solid var(--green); color: var(--green); text-shadow: 0 0 10px rgba(57,255,110,0.4); }
.report-verdict.invalid { background: rgba(255,68,68,0.1); border: 1px solid rgba(255,68,68,0.5); color: var(--red); }

.report-checklist { display: flex; flex-direction: column; gap: 4px; padding: 10px 14px; background: var(--bg-input); border: 1px solid var(--border); border-top: none; }

.check-item { display: flex; align-items: flex-start; gap: 8px; font-size: 10px; line-height: 1.5; }
.check-icon { flex-shrink: 0; width: 14px; }
.check-icon.pass { color: var(--green); }
.check-icon.fail { color: var(--red); }
.check-text { color: var(--text-dim); }
.check-text.pass { color: var(--text); }

/* ─── Tutorial Reset Button ─────────────────────────────────────────────── */
.btn-tut-reset {
  font-family: var(--font);
  font-size: 8px;
  letter-spacing: 1px;
  padding: 4px 9px;
  background: transparent;
  border: 1px solid rgba(38,198,218,0.3);
  color: rgba(38,198,218,0.55);
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.18s;
}
.btn-tut-reset:hover { border-color: var(--teal); color: var(--teal); background: rgba(38,198,218,0.06); }

/* ─── Overlay Tutorial ───────────────────────────────────────────────────── */
.tut-overlay {
  position: fixed;
  inset: 0;
  z-index: 800;
  pointer-events: none;
}

.tut-spotlight {
  position: fixed;
  z-index: 801;
  pointer-events: none;
  border: 2px solid var(--green);
  border-radius: 4px;
  box-shadow:
    0 0 0 9999px rgba(0, 0, 0, 0.82),
    0 0 0 4px rgba(57, 255, 110, 0.12),
    0 0 22px rgba(57, 255, 110, 0.2);
  transition: left 0.38s cubic-bezier(0.4,0,0.2,1),
              top 0.38s cubic-bezier(0.4,0,0.2,1),
              width 0.38s cubic-bezier(0.4,0,0.2,1),
              height 0.38s cubic-bezier(0.4,0,0.2,1),
              opacity 0.22s ease;
}

@keyframes spotlightPulse {
  0%, 100% { box-shadow: 0 0 0 9999px rgba(0,0,0,0.82), 0 0 0 4px rgba(57,255,110,0.12), 0 0 22px rgba(57,255,110,0.2); }
  50%       { box-shadow: 0 0 0 9999px rgba(0,0,0,0.82), 0 0 0 6px rgba(57,255,110,0.35), 0 0 40px rgba(57,255,110,0.5); }
}
.tut-spotlight.pulse { animation: spotlightPulse 2.2s ease-in-out infinite; }

.tut-spotlight.hidden { display: none; }

.tut-tooltip {
  position: fixed;
  z-index: 802;
  pointer-events: all;
  width: 340px;
  background: #040b04;
  border: 1px solid rgba(57,255,110,0.5);
  border-left: 4px solid var(--green);
  border-radius: 3px;
  box-shadow: 0 16px 60px rgba(0,0,0,0.95), 0 0 30px rgba(57,255,110,0.1);
  overflow: hidden;
  transition: left 0.38s cubic-bezier(0.4,0,0.2,1),
              top 0.38s cubic-bezier(0.4,0,0.2,1),
              opacity 0.18s ease;
}

.tut-tooltip.stepping { opacity: 0 !important; }

.tut-tooltip.complete-mode {
  border-color: var(--green);
  width: 420px;
}

.tut-tt-header {
  padding: 14px 18px 10px;
  border-bottom: 1px solid var(--border);
  background: rgba(57,255,110,0.04);
}

.tut-tt-eyebrow {
  display: block;
  font-size: 8px;
  letter-spacing: 2px;
  color: var(--green-dim);
  margin-bottom: 5px;
  text-transform: uppercase;
}

.tut-tt-title {
  display: block;
  font-size: 13px;
  font-weight: bold;
  letter-spacing: 3px;
  color: var(--green);
  text-shadow: 0 0 8px rgba(57,255,110,0.3);
}

.tut-tt-body {
  padding: 14px 18px;
  font-size: 11px;
  color: var(--text);
  line-height: 1.8;
  white-space: pre-line;
}

.tut-tt-body em { color: var(--green); font-style: normal; font-weight: bold; }

.tut-tt-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 18px 14px;
  border-top: 1px solid var(--border);
}

.tut-tt-skip-btn {
  font-family: var(--font);
  font-size: 8px;
  letter-spacing: 1px;
  padding: 4px 8px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.15s;
  flex-shrink: 0;
}
.tut-tt-skip-btn:hover { border-color: var(--red); color: var(--red); }

.tut-tt-action-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 9px;
  color: var(--yellow);
  letter-spacing: 1.5px;
  text-align: center;
  flex: 1;
  animation: pulse 1.8s ease-in-out infinite;
}

.tut-tt-next-btn {
  font-family: var(--font);
  font-size: 9px;
  letter-spacing: 2px;
  padding: 6px 14px;
  background: transparent;
  border: 1px solid var(--green);
  color: var(--green);
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.18s;
  flex-shrink: 0;
}
.tut-tt-next-btn:hover { background: var(--green); color: #030803; box-shadow: 0 0 12px rgba(57,255,110,0.4); }

.tut-tt-complete-icon {
  font-size: 36px;
  text-align: center;
  padding: 18px 0 8px;
  color: var(--green);
  text-shadow: 0 0 20px rgba(57,255,110,0.5);
}

/* ─── Toast ──────────────────────────────────────────────────────────────── */
.toast {
  position: fixed; bottom: 16px; left: 50%;
  transform: translateX(-50%) translateY(50px);
  background: #0c1209; border: 1px solid var(--green-dim);
  color: var(--green); font-family: var(--font); font-size: 11px;
  letter-spacing: 1px; padding: 9px 18px; border-radius: 2px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.5);
  transition: transform 0.25s ease, opacity 0.25s ease;
  opacity: 0; pointer-events: none; z-index: 1000;
  max-width: 520px; text-align: center;
}
.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

/* ─── Cases button (header) ──────────────────────────────────────────────── */
.btn-cases {
  background: transparent;
  border: 1px solid var(--green-dim);
  color: var(--green-dim);
  font-family: var(--font);
  font-size: 10px;
  letter-spacing: 1.5px;
  padding: 5px 12px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, box-shadow 0.15s;
}
.btn-cases:hover {
  border-color: var(--green);
  color: var(--green);
  box-shadow: 0 0 8px rgba(57, 255, 110, 0.25);
}

/* ─── Case Selection Screen ──────────────────────────────────────────────── */
.case-select-screen {
  position: fixed;
  inset: 0;
  z-index: 700;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow-y: auto;
}
.cs-inner {
  width: 100%;
  max-width: 980px;
  padding: 48px 28px;
}
.cs-header {
  text-align: center;
  margin-bottom: 40px;
}
.cs-logo {
  font-size: 20px;
  font-weight: bold;
  color: var(--green);
  letter-spacing: 5px;
  text-shadow: 0 0 16px rgba(57, 255, 110, 0.5);
  margin-bottom: 10px;
}
.cs-subtitle {
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 2.5px;
}
.cs-notification {
  background: rgba(57, 255, 110, 0.05);
  border: 1px solid var(--green-dim);
  border-left: 3px solid var(--green);
  padding: 12px 18px;
  margin-bottom: 28px;
  font-size: 11px;
  color: var(--green);
  letter-spacing: 1px;
  animation: cs-slide-in 0.35s ease;
}
@keyframes cs-slide-in {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0);    }
}
.cs-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.cs-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.cs-card.available {
  border-color: var(--green);
  box-shadow: 0 0 22px rgba(57, 255, 110, 0.1), inset 0 0 16px rgba(57, 255, 110, 0.03);
}
.cs-card.completed {
  border-color: var(--green-dim);
}
.cs-card.locked {
  border-color: var(--border);
  opacity: 0.45;
}
.cs-card-number {
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--text-dim);
}
.cs-card.available .cs-card-number { color: var(--green); }
.cs-card.completed .cs-card-number { color: var(--green-dim); }
.cs-card-title {
  font-size: 14px;
  font-weight: bold;
  letter-spacing: 2px;
  color: var(--text);
  line-height: 1.35;
}
.cs-card-type {
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--text-dim);
}
.cs-card-severity {
  font-size: 10px;
  letter-spacing: 1.5px;
  font-weight: bold;
}
.cs-card-severity.training { color: var(--teal); }
.cs-card-severity.critical { color: var(--red); }
.cs-card-severity.high     { color: var(--orange); }
.cs-card-desc {
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.65;
  flex: 1;
}
.cs-card.available .cs-card-desc { color: var(--text); }
.cs-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  padding-top: 14px;
  gap: 10px;
  margin-top: 4px;
}
.cs-status {
  font-size: 10px;
  letter-spacing: 1.5px;
  white-space: nowrap;
}
.cs-status.completed { color: var(--teal); }
.cs-status.available { color: var(--green); }
.cs-status.locked    { color: var(--text-dim); }
.cs-launch-btn {
  background: transparent;
  border: 1px solid var(--green);
  color: var(--green);
  font-family: var(--font);
  font-size: 10px;
  letter-spacing: 1px;
  padding: 6px 14px;
  cursor: pointer;
  transition: background 0.15s, box-shadow 0.15s;
  white-space: nowrap;
}
.cs-launch-btn:hover {
  background: var(--green-glow);
  box-shadow: 0 0 10px rgba(57, 255, 110, 0.3);
}
.cs-launch-btn.replay {
  border-color: var(--green-dim);
  color: var(--green-dim);
}
.cs-launch-btn.replay:hover {
  background: rgba(29, 107, 56, 0.12);
  box-shadow: none;
}
.cs-launch-btn:disabled {
  border-color: var(--border);
  color: var(--text-dim);
  cursor: not-allowed;
}

/* ─── Back to Cases button (report verdict) ──────────────────────────────── */
.btn-back-cases {
  display: block;
  width: 100%;
  margin-top: 14px;
  background: transparent;
  border: 1px solid var(--green-dim);
  color: var(--green-dim);
  font-family: var(--font);
  font-size: 11px;
  letter-spacing: 1.5px;
  padding: 9px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
  text-align: center;
}
.btn-back-cases:hover {
  border-color: var(--green);
  color: var(--green);
  background: var(--green-glow);
}

/* ─── Case Solved Screen ──────────────────────────────────────────────────── */
.case-solved-screen {
  position: fixed;
  inset: 0;
  z-index: 750;
  background: rgba(0,0,0,0.96);
  display: none;
  align-items: flex-start;
  justify-content: center;
  overflow-y: auto;
  padding: 48px 24px;
  opacity: 0;
  transition: opacity 0.35s ease;
}
.case-solved-screen.visible { opacity: 1; }

.csolved-inner {
  width: 100%;
  max-width: 840px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-bottom: 48px;
}

.csolved-badge {
  font-size: 56px;
  color: var(--green);
  text-shadow: 0 0 32px rgba(0,255,65,0.6), 0 0 64px rgba(0,255,65,0.25);
  margin-bottom: 10px;
  animation: csolved-badge-in 0.6s cubic-bezier(0.22,1,0.36,1) both;
}
@keyframes csolved-badge-in {
  from { transform: scale(0.3); opacity: 0; }
  to   { transform: scale(1);   opacity: 1; }
}

.csolved-title {
  font-size: 28px;
  letter-spacing: 8px;
  color: var(--green);
  text-shadow: 0 0 20px rgba(0,255,65,0.4);
  margin-bottom: 8px;
}

.csolved-case-title {
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--green-dim);
  margin-bottom: 4px;
  text-align: center;
}

.csolved-meta {
  font-size: 10px;
  color: #555;
  letter-spacing: 1.5px;
  margin-bottom: 32px;
}
.csolved-meta-sep { margin: 0 10px; color: #333; }

.csolved-time-block {
  border: 1px solid var(--green);
  padding: 18px 56px;
  text-align: center;
  margin-bottom: 32px;
  box-shadow: 0 0 24px rgba(0,255,65,0.12), inset 0 0 24px rgba(0,255,65,0.04);
}
.csolved-time-label {
  font-size: 9px;
  letter-spacing: 3px;
  color: var(--green-dim);
  margin-bottom: 8px;
}
.csolved-time-value {
  font-size: 56px;
  letter-spacing: 10px;
  color: var(--green);
  text-shadow: 0 0 24px rgba(0,255,65,0.45);
  line-height: 1;
}

.csolved-divider {
  width: 100%;
  height: 1px;
  background: var(--panel-border);
  margin: 8px 0 24px 0;
}

.csolved-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  width: 100%;
  margin-bottom: 4px;
}
@media (max-width: 640px) {
  .csolved-grid { grid-template-columns: 1fr; }
}

.csolved-section {
  width: 100%;
  margin-bottom: 20px;
}
.csolved-section-title {
  font-size: 9px;
  letter-spacing: 2.5px;
  color: var(--green-dim);
  border-bottom: 1px solid var(--panel-border);
  padding-bottom: 7px;
  margin-bottom: 14px;
}

.csolved-summary {
  font-size: 12px;
  line-height: 1.75;
  color: #999;
  margin: 0 0 14px 0;
}

.csolved-row {
  display: flex;
  gap: 10px;
  margin-bottom: 7px;
  font-size: 11px;
  align-items: flex-start;
}
.csolved-label {
  color: #555;
  letter-spacing: 1px;
  min-width: 62px;
  flex-shrink: 0;
  padding-top: 1px;
}
.csolved-val { color: #ccc; line-height: 1.5; }

.csolved-findings {
  margin: 0;
  padding-left: 18px;
  font-size: 12px;
  line-height: 1;
  color: #999;
}
.csolved-findings li {
  margin-bottom: 9px;
  line-height: 1.5;
}
.csolved-findings li::marker { color: var(--green-dim); }

.csolved-checklist {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
}

.csolved-continue-btn {
  margin-top: 28px;
  background: transparent;
  border: 1px solid var(--green);
  color: var(--green);
  font-family: var(--font);
  font-size: 11px;
  letter-spacing: 2.5px;
  padding: 13px 40px;
  cursor: pointer;
  transition: background 0.15s, box-shadow 0.15s;
}
.csolved-continue-btn:hover {
  background: var(--green-glow);
  box-shadow: 0 0 20px rgba(0,255,65,0.2);
}