@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  color-scheme: dark;
  --bg-main: #09090b;
  --bg-card: #121215;
  --bg-input: #18181b;
  --border: #27272a;
  --border-focus: #6366f1;
  --text-main: #f4f4f5;
  --text-muted: #71717a;
  --text-dim: #a1a1aa;
  --accent: #6366f1;
  --accent-soft: rgba(99, 102, 241, 0.12);
  --success: #10b981;
  --error: #f43f5e;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  background-color: var(--bg-main);
  background-image: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.05), transparent 600px);
  font-family: var(--font-sans);
  color: var(--text-main);
  font-size: 13.5px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

button, input, select, textarea {
  font-family: inherit;
}

button {
  cursor: pointer;
  border: 0;
  background: transparent;
  color: inherit;
  transition: all 0.15s ease;
}

button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

a {
  color: inherit;
  text-decoration: none;
}

[hidden] {
  display: none !important;
}

/* APP LAYOUT */
.app-container {
  max-width: 820px;
  margin: 0 auto;
  padding: 40px 20px 60px;
}

/* NAVBAR */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 7px;
  background: #ffffff;
  color: #000000;
  font-weight: 700;
  font-size: 13px;
}

.brand-text strong {
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
  letter-spacing: -0.2px;
}

.brand-logo {
  max-height: 32px;
}

.navbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.status-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.status-pill::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
}

.nav-admin-link {
  font-size: 12px;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 5px 11px;
  border-radius: 6px;
  transition: all 0.15s ease;
}

.nav-admin-link:hover {
  color: #ffffff;
  border-color: var(--text-dim);
  background: rgba(255, 255, 255, 0.03);
}

/* CONTENT CONTAINER */
.content {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* TOOL TABS */
.tool-tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-card);
  padding: 4px;
  border-radius: 8px;
  border: 1px solid var(--border);
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.tool-tabs::-webkit-scrollbar {
  height: 4px;
}

.tool-tabs::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

.tab-item {
  flex: 1 0 auto;
  padding: 7px 13px;
  border-radius: 6px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-muted);
  text-align: center;
  white-space: nowrap;
}

.tab-item:hover:not(:disabled) {
  color: var(--text-main);
}

.tab-item.selected {
  background: var(--bg-input);
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(0,0,0,0.4);
}

/* CONSOLE CARD */
.console-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
}

/* FORM GRID */
.form-grid {
  display: flex;
  gap: 10px;
  align-items: center;
}

.field-group {
  min-width: 0;
}

.field-group.target-group {
  flex: 1;
}

.field-group.count-group {
  width: 140px;
  flex-shrink: 0;
}

input:not([type=radio]):not([type=checkbox]):not([type=file]), select, textarea {
  width: 100%;
  height: 40px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text-main);
  padding: 0 12px;
  font-size: 13.5px;
  transition: border-color 0.15s ease;
}

input:not([type=radio]):not([type=checkbox]):not([type=file]):focus, select:focus, textarea:focus {
  border-color: var(--border-focus);
  outline: none;
}

input::placeholder {
  color: var(--text-muted);
}

/* FAMILY TOGGLE */
.family-toggle {
  display: flex;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 2px;
}

.toggle-btn {
  position: relative;
  cursor: pointer;
}

.toggle-btn input {
  position: absolute;
  opacity: 0;
}

.toggle-btn span {
  display: block;
  padding: 6px 12px;
  border-radius: 5px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  transition: all 0.15s ease;
}

.toggle-btn input:checked + span {
  background: var(--bg-card);
  color: #ffffff;
  font-weight: 600;
}

/* BUTTON SUBMIT */
.btn-submit {
  height: 40px;
  padding: 0 18px;
  border-radius: 7px;
  background: #ffffff;
  color: #000000;
  font-size: 13.5px;
  font-weight: 600;
  white-space: nowrap;
}

.btn-submit span {
  margin-left: 4px;
}

.btn-submit:hover:not(:disabled) {
  background: #e4e4e7;
}

.btn-submit.btn-stop {
  background: var(--error) !important;
  color: #ffffff !important;
}

.btn-submit.btn-stop:hover {
  background: #e11d48 !important;
}

/* TERMINAL CARD */
.terminal-card {
  padding: 0;
  overflow: hidden;
  background: #000000;
  border: 1px solid var(--border);
  border-radius: 10px;
  min-height: 260px;
}

.terminal-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
}

#result-state {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}

.btn-copy {
  font-size: 11px;
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text-dim);
}

.btn-copy:hover:not(:disabled) {
  color: #ffffff;
  border-color: var(--text-muted);
  background: rgba(255, 255, 255, 0.05);
}

.terminal-empty {
  padding: 70px 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}

.terminal-empty strong {
  color: var(--text-main);
}

pre {
  padding: 16px 20px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: #d4d4d8;
  overflow: auto;
  max-height: 520px;
}

#progress {
  padding: 50px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-dim);
}

.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

#error {
  padding: 20px;
  color: #f87171;
  font-family: var(--font-mono);
  font-size: 12.5px;
}

.terminal-footer {
  padding: 8px 16px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-card);
}

/* VISUAL DASHBOARD PANELS */
.visual-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 14px;
}

.visual-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* SMOKEPING DASHBOARD */
.smokeping-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.provider-info {
  display: flex;
  align-items: center;
  gap: 8px;
}

.provider-name {
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
}

.provider-asn {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  background: var(--bg-input);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.live-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--success);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 6px var(--success);
}

.kpi-grid {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.kpi-item {
  display: flex;
  flex-direction: column;
}

.kpi-item small {
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.kpi-item strong {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: #ffffff;
  font-weight: 600;
}

.canvas-wrap {
  width: 100%;
  background: #050507;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
}

.canvas-wrap canvas {
  width: 100%;
  height: 170px;
  display: block;
}

.canvas-legend {
  display: flex;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}

.legend-box {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  margin-right: 4px;
}

.legend-box.bar { background: #6366f1; }
.legend-box.median { background: #10b981; }
.legend-box.loss { background: #f43f5e; }

/* MTU VISUAL SCALE */
.mtu-header, .portscan-header, .mtr-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.mtu-header h3, .portscan-header h3, .mtr-header h3 {
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
}

.pmtu-badge, .port-summary-badge {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid rgba(99, 102, 241, 0.3);
  padding: 3px 10px;
  border-radius: 6px;
  font-weight: 600;
}

.mtu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
}

.mtu-card {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: all 0.15s ease;
}

.mtu-card.success {
  border-color: rgba(16, 185, 129, 0.4);
}

.mtu-card.max {
  background: rgba(16, 185, 129, 0.1);
  border-color: #10b981;
}

.mtu-card.fragmented {
  border-color: rgba(244, 63, 94, 0.3);
}

.mtu-val {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
}

.mtu-status {
  font-size: 11px;
  color: var(--text-dim);
}

/* PORTSCAN CARDS GRID */
.ports-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 10px;
}

.port-card {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.port-card.open {
  border-color: rgba(16, 185, 129, 0.4);
  background: rgba(16, 185, 129, 0.05);
}

.port-num {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.port-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
  align-self: start;
}

.port-badge.open {
  background: rgba(16, 185, 129, 0.2);
  color: #10b981;
}

.port-badge.closed {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
}

.port-badge.filtered {
  background: rgba(245, 158, 11, 0.2);
  color: #f59e0b;
}

/* HTTP / SSL CARDS */
.http-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.http-card {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.http-card-title {
  font-size: 13px;
  font-weight: 600;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.http-metric {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
}

.http-metric span {
  color: #ffffff;
  font-weight: 500;
}

/* FOOTER */
.app-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  opacity: 0.5;
}

/* RESPONSIVE */
@media (max-width: 640px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
  .family-toggle {
    justify-content: center;
  }
  .toggle-btn {
    flex: 1;
    text-align: center;
  }
  .tool-tabs {
    flex-wrap: wrap;
  }
  .tab-item {
    flex-basis: 45%;
  }
}