:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-card: #1e293b;
  --border-color: #334155;
  --border-subtle: #475569;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --accent-primary: #3b82f6;
  --accent-primary-hover: #2563eb;
  --accent-secondary: #06b6d4;
  
  --pos-color: #10b981;
  --pos-bg: rgba(16, 185, 129, 0.15);
  --pos-border: rgba(16, 185, 129, 0.4);

  --neg-color: #ef4444;
  --neg-bg: rgba(239, 68, 68, 0.15);
  --neg-border: rgba(239, 68, 68, 0.4);

  --neutral-color: #f59e0b;
  --neutral-bg: rgba(245, 158, 11, 0.15);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 28px rgba(0,0,0,0.5);
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.5;
  min-height: 100vh;
  padding: 1.5rem;
  display: flex;
  justify-content: center;
}

.font-mono { font-family: var(--font-mono); }
.font-serif { font-style: italic; }

.app-container {
  width: 100%;
  max-width: 1440px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.logo-area h1 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #60a5fa, #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.badge {
  display: inline-block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  background-color: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.4);
  font-weight: 600;
  margin-bottom: 0.35rem;
}

/* Curriculum Stage Navigation */
.stage-nav {
  display: flex;
  gap: 0.5rem;
  background: var(--bg-secondary);
  padding: 0.35rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.stage-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 0.5rem 1rem;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: left;
}

.stage-btn .step-num {
  font-size: 0.7rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
  opacity: 0.8;
}

.stage-btn .step-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
}

.stage-btn .step-desc {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.stage-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-main);
}

.stage-btn.active {
  background: var(--accent-primary);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.4);
}
.stage-btn.active .step-desc {
  color: rgba(255, 255, 255, 0.85);
}

/* Module Container */
.module-container {
  display: none;
  flex-direction: column;
  gap: 1.25rem;
}

.module-container.active {
  display: flex;
}

.module-placeholder {
  background: var(--bg-secondary);
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 3rem;
  text-align: center;
  color: var(--text-muted);
}
.module-placeholder h3 {
  color: #38bdf8;
  margin-bottom: 0.5rem;
}

/* Crawl Subnav Banner */
.crawl-subnav-banner {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.25rem;
}

.subnav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.subnav-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.crawl-step-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.crawl-step-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 0.5rem 0.85rem;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
}

.crawl-step-btn .step-badge {
  font-size: 0.65rem;
  text-transform: uppercase;
  color: #38bdf8;
  font-weight: 700;
}

.crawl-step-btn .step-name {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
}

.crawl-step-btn .step-summary {
  font-size: 0.7rem;
  color: var(--text-dim);
}

.crawl-step-btn:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-subtle);
}

.crawl-step-btn.active {
  background: rgba(59, 130, 246, 0.15);
  border-color: var(--accent-primary);
  color: #ffffff;
}

/* Stage Banner */
.stage-banner {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.8), rgba(15, 23, 42, 0.9));
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
}

.banner-content {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.banner-badge {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  background: var(--accent-secondary);
  color: #042f2e;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.banner-text h2 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.15rem;
}

.banner-text p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Workspace Grid (Split View) */
.workspace-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  align-items: start;
}

@media (max-width: 1024px) {
  .workspace-grid {
    grid-template-columns: 1fr;
  }
}

/* Panels */
.panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.panel-header {
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(15, 23, 42, 0.4);
}

.panel-title-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.panel-title-group .icon {
  font-size: 1.25rem;
}

.panel-title-group h2 {
  font-size: 1.05rem;
  font-weight: 600;
}

.panel-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Hardware Pipeline Cards */
.hardware-pipeline-card {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.hw-section-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
}

.hw-badge {
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: #93c5fd;
}

.hw-badge.active {
  background: rgba(16, 185, 129, 0.15);
  border-color: rgba(16, 185, 129, 0.4);
  color: #6ee7b7;
}

.hw-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.disk-samples-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  max-height: 170px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.25);
}

.disk-sample-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  padding: 0.25rem 0.4rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.02);
}

.disk-sample-tag {
  font-size: 0.65rem;
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
  font-weight: 700;
}
.disk-sample-tag.pos { background: var(--pos-bg); color: var(--pos-color); }
.disk-sample-tag.neg { background: var(--neg-bg); color: var(--neg-color); }

.hw-actions-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.train-step-indicator {
  font-size: 0.75rem;
  font-weight: 600;
  color: #38bdf8;
}

/* RAM Table Card */
.ram-table-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* Table */
.table-container {
  max-height: 280px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: rgba(15, 23, 42, 0.3);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.85rem;
}

.data-table th, .data-table td {
  padding: 0.5rem 0.85rem;
  border-bottom: 1px solid var(--border-color);
}

.data-table th {
  background: var(--bg-secondary);
  font-weight: 600;
  color: var(--text-muted);
  position: sticky;
  top: 0;
  z-index: 10;
}

.data-table tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

.data-table .num-col {
  text-align: right;
  font-family: var(--font-mono);
}

.weight-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}
.weight-tag.pos { background: var(--pos-bg); color: var(--pos-color); }
.weight-tag.neg { background: var(--neg-bg); color: var(--neg-color); }
.weight-tag.neutral { background: rgba(255,255,255,0.05); color: var(--text-muted); }

/* Custom User Input Card */
.custom-input-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--accent-primary);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
}

.field-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: #38bdf8;
}

.input-row {
  display: flex;
  gap: 0.5rem;
}

.input-row input {
  flex: 1;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  color: var(--text-main);
  font-size: 0.85rem;
}

.input-row input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

/* Test Cards Container */
.test-cards-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.test-card-btn {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: left;
  transition: all 0.15s ease;
}

.test-card-btn:hover {
  background: var(--bg-tertiary);
  border-color: var(--accent-primary);
}

.test-card-btn.active {
  border-color: var(--accent-primary);
  background: rgba(59, 130, 246, 0.15);
}

.test-card-text {
  font-size: 0.875rem;
  font-style: italic;
  color: var(--text-main);
}

.test-card-badge {
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  white-space: nowrap;
  font-weight: 600;
  font-family: var(--font-mono);
}
.test-card-badge.neutral { background: var(--neutral-bg); color: var(--neutral-color); }
.test-card-badge.pos { background: var(--pos-bg); color: var(--pos-color); }
.test-card-badge.neg { background: var(--neg-bg); color: var(--neg-color); }

/* Inspector Card */
.results-card {
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.inspector-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.inspector-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: #60a5fa;
  text-transform: uppercase;
}

/* Token Display Box */
.token-display-box {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.65rem;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  min-height: 40px;
  align-items: center;
}

.tok-pill {
  font-size: 0.8rem;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-weight: 600;
}

.tok-pill.pos {
  background: var(--pos-bg);
  border: 1px solid var(--pos-border);
  color: #6ee7b7;
}

.tok-pill.neg {
  background: var(--neg-bg);
  border: 1px solid var(--neg-border);
  color: #fca5a5;
}

.tok-pill.neutral {
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.4);
  color: #fcd34d;
}

.tok-pill.oov {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-dim);
}

/* Gauge */
.gauge-container {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.gauge-labels {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.label-neg { font-size: 0.75rem; font-weight: 600; color: var(--neg-color); }
.label-score { font-size: 1.5rem; font-weight: 800; font-family: var(--font-mono); }
.label-pos { font-size: 0.75rem; font-weight: 600; color: var(--pos-color); }

.gauge-track {
  width: 100%;
  height: 12px;
  background: linear-gradient(to right, rgba(239, 68, 68, 0.6), rgba(100, 116, 139, 0.3) 50%, rgba(16, 185, 129, 0.6));
  border-radius: 6px;
  position: relative;
}

.gauge-marker {
  position: absolute;
  top: -4px;
  width: 6px;
  height: 20px;
  background: #ffffff;
  border-radius: 3px;
  box-shadow: 0 0 8px rgba(0,0,0,0.8), 0 0 4px #38bdf8;
  transform: translateX(-50%);
  transition: left 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.verdict-tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
}
.verdict-tag.positive { background: var(--pos-bg); color: var(--pos-color); border: 1px solid var(--pos-border); }
.verdict-tag.negative { background: var(--neg-bg); color: var(--neg-color); border: 1px solid var(--neg-border); }
.verdict-tag.neutral { background: var(--neutral-bg); color: var(--neutral-color); border: 1px solid var(--neutral-color); }

/* Math breakdown */
.math-breakdown-card {
  background: rgba(10, 15, 30, 0.8);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
}

.math-title {
  font-size: 0.7rem;
  font-weight: 700;
  color: #60a5fa;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.math-content {
  font-size: 0.8rem;
  line-height: 1.5;
  color: #e2e8f0;
}

/* Callout */
.info-callout {
  font-size: 0.82rem;
  color: var(--text-muted);
  background: rgba(51, 65, 85, 0.4);
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent-primary);
}

.status-pill {
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(59, 130, 246, 0.4);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s ease;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-primary { background: var(--accent-primary); color: #ffffff; }
.btn-primary:hover:not(:disabled) { background: var(--accent-primary-hover); }

.btn-accent {
  background: linear-gradient(135deg, #2563eb, #0891b2);
  color: #ffffff;
}
.btn-accent:hover:not(:disabled) {
  background: linear-gradient(135deg, #1d4ed8, #0e7490);
}

.logo-top-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
}

.btn-walkthrough-header {
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.4);
  color: #93c5fd;
  cursor: pointer;
  transition: all 0.15s ease;
}
.btn-walkthrough-header:hover {
  background: rgba(59, 130, 246, 0.3);
  color: #ffffff;
}

/* ======================================================== */
/* WALKTHROUGH SLIDE MODAL STYLES                           */
/* ======================================================== */
.walkthrough-modal {
  margin: auto;
  padding: 0;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  color: var(--text-main);
  max-width: 820px;
  width: 95vw;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.walkthrough-modal::backdrop {
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
}

.wt-content {
  display: flex;
  flex-direction: column;
}

.wt-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(15, 23, 42, 0.6);
}

.wt-title-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.wt-badge {
  font-size: 0.7rem;
  text-transform: uppercase;
  color: #38bdf8;
  font-weight: 700;
  letter-spacing: 0.05em;
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}

.wt-step-counter {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.btn-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
}
.btn-close:hover {
  background: var(--bg-tertiary);
  color: var(--text-main);
}

.wt-body {
  padding: 1.5rem;
  min-height: 380px;
  display: flex;
  flex-direction: column;
}

.wt-slide {
  display: none;
  flex-direction: column;
  gap: 1.25rem;
  animation: fadeInSlide 0.25s ease forwards;
}

.wt-slide.active {
  display: flex;
}

@keyframes fadeInSlide {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.wt-slide-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
}

.wt-subhead {
  font-size: 0.875rem;
  color: #38bdf8;
  margin-top: 0.2rem;
}

/* Slide 1 Comparison Grid */
.wt-comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 640px) {
  .wt-comparison-grid {
    grid-template-columns: 1fr;
  }
}

.wt-comp-card {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.wt-comp-card.calculator-card {
  border-top: 3px solid #3b82f6;
}

.wt-comp-card.ai-card {
  border-top: 3px solid #10b981;
}

.comp-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
}

.comp-input {
  background: rgba(0, 0, 0, 0.3);
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  font-size: 0.85rem;
  color: #f8fafc;
}

.comp-reaction {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.8rem;
}

.reaction-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.reaction-item .actor {
  color: var(--text-dim);
  font-size: 0.75rem;
}

.reaction-item .verdict.success { color: #6ee7b7; font-weight: 600; }
.reaction-item .verdict.struggle { color: #fcd34d; font-style: italic; }
.reaction-item .verdict.error { color: #fca5a5; font-weight: 600; }

.comp-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin-top: auto;
}

.wt-callout {
  background: rgba(59, 130, 246, 0.1);
  border-left: 3px solid var(--accent-primary);
  border-radius: 4px;
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  color: #e2e8f0;
}

/* Diagrams */
.wt-diagram-box {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem 1rem;
  flex-wrap: wrap;
}

.flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.85rem;
  min-width: 140px;
  text-align: center;
}

.flow-step.model-box {
  border-color: #38bdf8;
  background: rgba(56, 189, 248, 0.1);
}

.flow-step.compute-box {
  border-color: #f59e0b;
  background: rgba(245, 158, 11, 0.1);
}

.flow-pill {
  font-size: 0.65rem;
  text-transform: uppercase;
  font-weight: 700;
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
}
.flow-pill.accent { background: rgba(56, 189, 248, 0.2); color: #38bdf8; }
.flow-pill.warning { background: rgba(245, 158, 11, 0.2); color: #fbbf24; }
.flow-pill.success { background: var(--pos-bg); color: var(--pos-color); }
.flow-pill.error { background: var(--neg-bg); color: var(--neg-color); }

.flow-data {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
}

.flow-sub {
  font-size: 0.7rem;
  color: var(--text-dim);
}

.flow-arrow {
  color: var(--text-dim);
  font-size: 1.25rem;
}

.wt-text-points {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Samples Flashcards */
.wt-samples-deck {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.sample-flashcard {
  background: rgba(15, 23, 42, 0.7);
  border-radius: var(--radius-md);
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  border: 1px solid var(--border-color);
}
.sample-flashcard.pos { border-left: 4px solid var(--pos-color); }
.sample-flashcard.neg { border-left: 4px solid var(--neg-color); }

.card-tag {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
}
.sample-flashcard.pos .card-tag { color: var(--pos-color); }
.sample-flashcard.neg .card-tag { color: var(--neg-color); }

.card-text {
  font-size: 0.9rem;
  font-style: italic;
  color: var(--text-main);
}

/* Roadmap Grid */
.wt-roadmap-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

@media (max-width: 600px) {
  .wt-roadmap-grid {
    grid-template-columns: 1fr;
  }
}

.roadmap-card {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.rm-num {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #38bdf8;
}

.roadmap-card h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
}

.roadmap-card p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.wt-final-cta {
  display: flex;
  justify-content: center;
  margin-top: 0.5rem;
}

/* Modal Footer */
.wt-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  background: rgba(15, 23, 42, 0.6);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.wt-dots {
  display: flex;
  gap: 0.5rem;
}

.wt-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  cursor: pointer;
  transition: all 0.2s ease;
}

.wt-dot.active {
  background: #38bdf8;
  transform: scale(1.2);
  box-shadow: 0 0 6px rgba(56, 189, 248, 0.6);
}