/* ===== Theme Variables ===== */
:root {
  --bg: #0b0d12;
  --bg-elev: #11141b;
  --bg-elev2: #161a23;
  --border: #232936;
  --border-strong: #2e3545;
  --text: #e6e8ee;
  --text-dim: #9aa3b2;
  --text-mute: #6b7383;
  --accent: #7c5cff;
  --accent-hover: #9277ff;
  --accent-dim: rgba(124, 92, 255, 0.12);
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  --code-bg: #0a0c11;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

code, pre, .mono { font-family: 'JetBrains Mono', 'SF Mono', Menlo, monospace; }

/* ===== Layout ===== */
.app {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

.sidebar {
  width: 280px;
  flex-shrink: 0;
  background: var(--bg-elev);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ===== Brand (sidebar header) ===== */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 18px 16px;
  border-bottom: 1px solid var(--border);
}

.brand-logo-wrap {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-elev2);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.brand-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.brand-meta {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.2;
}

.brand-title {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.2px;
  color: var(--text);
}

.brand-subtitle {
  font-size: 11px;
  color: var(--text-mute);
  margin-top: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav {
  flex: 1;
  overflow-y: auto;
  padding: 14px 10px 12px;
}

.nav::-webkit-scrollbar { width: 6px; }
.nav::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
.nav::-webkit-scrollbar-track { background: transparent; }

.nav-section { margin-bottom: 18px; }

.nav-title {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-mute);
  font-weight: 600;
  padding: 8px 12px 6px;
}

.nav-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 8px 12px;
  background: transparent;
  border: none;
  color: var(--text-dim);
  border-radius: 7px;
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
  transition: all 0.12s;
  margin-bottom: 1px;
}

.nav-item:hover {
  background: var(--bg-elev2);
  color: var(--text);
}

.nav-item.active {
  background: var(--accent-dim);
  color: var(--accent);
  font-weight: 500;
}

/* ===== Main ===== */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.topbar {
  padding: 22px 32px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev);
}

.topbar-title h2 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.topbar-title p {
  color: var(--text-mute);
  font-size: 13px;
  margin-top: 2px;
}

.content {
  flex: 1;
  overflow-y: auto;
  padding: 28px 32px;
}

.content::-webkit-scrollbar { width: 8px; }
.content::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 4px; }

/* ===== Welcome ===== */
.welcome {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 70vh;
}

.welcome-card {
  max-width: 760px;
  text-align: center;
}

.welcome-card h1 {
  font-size: 42px;
  font-weight: 700;
  letter-spacing: -1px;
  background: linear-gradient(135deg, var(--accent), #4f46e5);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.welcome-card > p {
  color: var(--text-dim);
  margin: 12px 0 36px;
  font-size: 15px;
}

.welcome-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.welcome-item {
  display: flex;
  gap: 14px;
  padding: 18px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-align: left;
  transition: all 0.15s;
}

.welcome-item:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.welcome-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border-radius: 10px;
  flex-shrink: 0;
  color: var(--accent);
}
.welcome-icon svg { width: 22px; height: 22px; }

.welcome-item h3 { font-size: 14px; margin-bottom: 4px; }
.welcome-item p { font-size: 12px; color: var(--text-mute); }

/* ===== Tool Layout ===== */
.tool {
  max-width: 980px;
  margin: 0 auto;
}

.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
  margin-bottom: 18px;
}

.card-title {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  margin-bottom: 14px;
}

.field {
  margin-bottom: 14px;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.field-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
}

label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-dim);
  margin-bottom: 6px;
}

input[type="text"], input[type="number"], input[type="url"], textarea, select {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  transition: border-color 0.12s;
}

input[type="text"]:focus, input[type="number"]:focus, input[type="url"]:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
}

textarea {
  resize: vertical;
  min-height: 110px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  line-height: 1.6;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 8px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.12s;
}

.btn:hover { background: var(--accent-hover); }

.btn-secondary {
  background: var(--bg-elev2);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg);
  border-color: var(--accent);
}

.btn-ghost {
  background: transparent;
  color: var(--text-dim);
  padding: 6px 10px;
  font-size: 12px;
}

.btn-ghost:hover { color: var(--accent); background: var(--accent-dim); }

.btn-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.result-box {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 460px;
  overflow-y: auto;
  position: relative;
  line-height: 1.6;
}

.result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.result-header h4 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  font-weight: 600;
}

.dork-list { display: flex; flex-direction: column; gap: 8px; }
.dork-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
}
.dork-item code {
  flex: 1;
  word-break: break-all;
  color: var(--text);
}
.dork-item .desc {
  color: var(--text-mute);
  font-family: 'Inter', sans-serif;
  font-size: 11.5px;
  margin-bottom: 4px;
  display: block;
}
.dork-item-wrap { flex: 1; }

.severity-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.sev-none { background: #6b7383; color: white; }
.sev-low { background: #22c55e; color: white; }
.sev-medium { background: #f59e0b; color: white; }
.sev-high { background: #f97316; color: white; }
.sev-critical { background: #ef4444; color: white; }

.cvss-score {
  font-size: 56px;
  font-weight: 700;
  text-align: center;
  letter-spacing: -2px;
  font-family: 'JetBrains Mono', monospace;
  margin: 8px 0;
}

.cvss-vector {
  background: var(--code-bg);
  padding: 12px;
  border-radius: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  word-break: break-all;
  margin-top: 12px;
  border: 1px solid var(--border);
}

.metric-group {
  margin-bottom: 18px;
}

.metric-group h4 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  margin-bottom: 10px;
  font-weight: 600;
}

.metric {
  margin-bottom: 12px;
}

.metric-label {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.metric-options {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.metric-btn {
  padding: 6px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 11.5px;
  color: var(--text-dim);
  cursor: pointer;
  font-family: inherit;
  transition: all 0.1s;
}

.metric-btn:hover { border-color: var(--accent); color: var(--text); }
.metric-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.cvss-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 18px;
  align-items: start;
}

@media (max-width: 880px) {
  .cvss-grid { grid-template-columns: 1fr; }
  .field-row, .field-row-3 { grid-template-columns: 1fr; }
  .welcome-grid { grid-template-columns: 1fr; }
  .sidebar { width: 240px; }
}

.grade-dual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
@media (max-width: 880px) {
  .grade-dual { grid-template-columns: 1fr; }
}
.grade-dual .grade-wrap {
  padding: 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.grade-wrap {
  display: flex;
  align-items: center;
  gap: 18px;
}
.grade-label-top {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-mute);
  font-weight: 600;
  margin-bottom: 4px;
}
.grade-letter {
  width: 78px;
  height: 78px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  font-weight: 800;
  font-family: 'JetBrains Mono', monospace;
  color: white;
  flex-shrink: 0;
  letter-spacing: -2px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.25);
}
.grade-Aplus { background: linear-gradient(135deg, #06b6d4, #0891b2); }
.grade-A { background: linear-gradient(135deg, #10b981, #059669); }
.grade-B { background: linear-gradient(135deg, #84cc16, #65a30d); }
.grade-C { background: linear-gradient(135deg, #eab308, #ca8a04); }
.grade-D { background: linear-gradient(135deg, #f59e0b, #d97706); }
.grade-E { background: linear-gradient(135deg, #f97316, #ea580c); }
.grade-F { background: linear-gradient(135deg, #ef4444, #b91c1c); }

.grade-meta {
  flex: 1;
  min-width: 0;
}
.grade-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}
.grade-bar {
  height: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 8px;
}
.grade-bar-fill {
  height: 100%;
  border-radius: 999px;
  transition: width 0.4s ease;
}
.grade-bar-Aplus { background: linear-gradient(90deg, #06b6d4, #0891b2); }
.grade-bar-A { background: linear-gradient(90deg, #10b981, #059669); }
.grade-bar-B { background: linear-gradient(90deg, #84cc16, #65a30d); }
.grade-bar-C { background: linear-gradient(90deg, #eab308, #ca8a04); }
.grade-bar-D { background: linear-gradient(90deg, #f59e0b, #d97706); }
.grade-bar-E { background: linear-gradient(90deg, #f97316, #ea580c); }
.grade-bar-F { background: linear-gradient(90deg, #ef4444, #b91c1c); }
.grade-score {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-mute);
}
.grade-note {
  margin-top: 16px;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.6;
}
.grade-note strong { color: var(--text); }
.grade-note em { color: var(--accent); font-style: normal; font-weight: 500; }

/* ===== Recommendations ===== */
.rec {
  background: var(--bg);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  padding: 16px 18px;
  margin-bottom: 12px;
}
.rec:last-child { margin-bottom: 0; }
.rec-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}
.rec-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}
.rec-body { font-size: 12.5px; color: var(--text-dim); line-height: 1.65; }
.rec-what { margin-bottom: 12px; }
.rec-section-label {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  font-weight: 600;
  color: var(--text-mute);
  margin-top: 12px;
  margin-bottom: 6px;
}
.rec-code {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text);
  word-break: break-all;
  white-space: pre-wrap;
}
.rec-notes {
  font-size: 12px;
  color: var(--text-mute);
  margin-top: 8px;
  font-style: italic;
}
.rec-refs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.rec-refs a {
  display: inline-block;
  padding: 5px 10px;
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 6px;
  font-size: 11.5px;
  text-decoration: none;
  transition: all 0.12s;
  border: 1px solid transparent;
}
.rec-refs a:hover {
  border-color: var(--accent);
}

.header-result {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.header-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  padding: 10px 12px;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 7px;
  align-items: center;
}

.header-row .h-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 500;
}

.header-row .h-status {
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 5px;
  font-weight: 600;
}
.h-pass { background: rgba(34, 197, 94, 0.15); color: #22c55e; }
.h-fail { background: rgba(239, 68, 68, 0.15); color: #ef4444; }
.h-warn { background: rgba(245, 158, 11, 0.15); color: #f59e0b; }

.header-row .h-detail {
  font-size: 11.5px;
  color: var(--text-mute);
}

.tab-row {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 18px;
}
.tab {
  padding: 10px 16px;
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.payload-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.payload-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 7px;
}
.payload-item code {
  flex: 1;
  font-size: 12px;
  word-break: break-all;
  color: var(--text);
  white-space: pre-wrap;
}
.payload-item .pl-desc {
  color: var(--text-mute);
  font-size: 11px;
  min-width: 160px;
  text-align: right;
}
.payload-item .pl-link {
  flex: 1;
  font-size: 12px;
  color: var(--accent);
  text-decoration: none;
  word-break: break-all;
}
.payload-item .pl-link:hover { text-decoration: underline; }
.payload-item .pl-recommended {
  color: var(--success);
  font-weight: 700;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.pl-credit {
  padding: 10px 14px;
  background: var(--code-bg);
  border: 1px dashed var(--border);
  border-radius: 8px;
  color: var(--text-mute);
  font-size: 12px;
  line-height: 1.5;
  margin-bottom: 14px;
}
.pl-credit b { color: var(--accent); }
.pl-cat {
  margin-top: 18px;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.pl-cat:first-child { margin-top: 0; }
.pl-cat-note {
  font-size: 12px;
  color: var(--text-mute);
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  margin-top: 2px;
}
.pl-search {
  width: 100%;
  margin-bottom: 14px;
}
.pl-tip {
  padding: 10px 12px;
  background: var(--code-bg);
  border-left: 3px solid var(--accent);
  border-radius: 4px;
  margin: 8px 0 12px;
  font-size: 12px;
  color: var(--text-mute);
  line-height: 1.55;
}
.pl-tip b { color: var(--text); }

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 18px;
  background: var(--bg-elev);
  border: 1px solid var(--accent);
  border-radius: 10px;
  color: var(--text);
  font-size: 13px;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.25s;
  pointer-events: none;
  z-index: 1000;
}
.toast.show { opacity: 1; transform: translateY(0); }

.jwt-section {
  margin-bottom: 14px;
}
.jwt-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
  margin-bottom: 6px;
}
.jwt-header { color: #ef4444; }
.jwt-payload { color: #a855f7; }
.jwt-sig { color: #06b6d4; }

.info-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 18px;
  font-size: 12.5px;
}
.info-grid dt { color: var(--text-mute); }
.info-grid dd { font-family: 'JetBrains Mono', monospace; word-break: break-all; }