/* Local AI LLM Hardware Calculator & Micro-Tools Styles */
.llm-card {
  background: var(--bone);
  border: 1px solid var(--paper-dark);
  border-radius: 12px;
  padding: 28px;
  box-shadow: 0 12px 36px -10px rgba(21, 20, 15, 0.08);
  margin-bottom: 36px;
}

/* Tabs */
.llm-tabs {
  display: flex;
  gap: 10px;
  border-bottom: 1px solid var(--paper-dark);
  padding-bottom: 16px;
  margin-bottom: 24px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.llm-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--paper);
  border: 1px solid var(--paper-dark);
  border-radius: 8px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-soft);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.llm-tab:hover {
  border-color: var(--coral);
  color: var(--coral);
  background: #fff;
}

.llm-tab.active {
  background: var(--coral);
  border-color: var(--coral);
  color: #fff;
  box-shadow: 0 4px 12px rgba(237, 111, 92, 0.28);
}

/* View 1: Two Column Layout */
.llm-grid-two-col {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
  margin-bottom: 28px;
}

.llm-control-card, .llm-result-card {
  background: var(--paper);
  border: 1px solid var(--paper-dark);
  border-radius: 10px;
  padding: 22px;
}

.llm-box-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--sans);
  font-size: 14.5px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--paper-dark);
}

.llm-sub-heading {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 700;
  color: var(--coral-dark);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.llm-field-block {
  margin-bottom: 14px;
}

.llm-field-lbl {
  display: block;
  font-family: var(--sans);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 6px;
}

.llm-select {
  width: 100%;
  padding: 9px 12px;
  font-family: var(--body);
  font-size: 13px;
  color: var(--ink);
  background: var(--bone);
  border: 1px solid var(--paper-dark);
  border-radius: 6px;
  outline: none;
  cursor: pointer;
  transition: border-color 0.15s;
}

.llm-select:focus {
  border-color: var(--coral);
}

.llm-dual-sliders {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 14px;
}

.llm-slider-item {
  display: flex;
  flex-direction: column;
}

.llm-slider-hdr {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.llm-slider-hdr label {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-soft);
}

.llm-num-pill {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--coral);
  background: rgba(237, 111, 92, 0.12);
  padding: 2px 7px;
  border-radius: 4px;
}

.llm-range {
  width: 100%;
  accent-color: var(--coral);
  cursor: pointer;
}

.llm-scale {
  display: flex;
  justify-content: space-between;
  font-size: 9.5px;
  color: var(--ink-faint);
  font-family: var(--mono);
  margin-top: 3px;
}

.llm-dual-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}

.llm-usecase-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.llm-usecase-btn {
  padding: 5px 10px;
  background: var(--bone);
  border: 1px solid var(--paper-dark);
  border-radius: 6px;
  font-family: var(--sans);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 0.15s;
  text-align: left;
}

.llm-usecase-btn:hover { border-color: var(--coral); color: var(--coral); background: #fff; }
.llm-usecase-btn.active { background: var(--ink); color: #fff; border-color: var(--ink); }

/* Fit Status Banners */
.llm-fit-banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 8px;
}

.fit-banner-left {
  display: flex;
  flex-direction: column;
}

.fit-banner-status {
  font-family: var(--sans);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.fit-banner-model {
  font-size: 0.8rem;
  opacity: 0.9;
  font-family: var(--mono);
}

.fit-banner-pill {
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.fit-banner-sub {
  font-size: 12.5px;
  color: var(--ink-mute);
  margin-bottom: 16px;
  line-height: 1.4;
}

.fit-pass-badge {
  background: #eaf5ea;
  border: 1px solid #b8e2b8;
  color: #1e7e34;
}
.fit-pass-badge .fit-banner-pill {
  background: #1e7e34;
  color: #fff;
}

.fit-tight-badge {
  background: #fff8e1;
  border: 1px solid #ffe082;
  color: #b78103;
}
.fit-tight-badge .fit-banner-pill {
  background: #b78103;
  color: #fff;
}

.fit-fail-badge {
  background: #fde8e8;
  border: 1px solid #f8b4b4;
  color: #c81e1e;
}
.fit-fail-badge .fit-banner-pill {
  background: #c81e1e;
  color: #fff;
}

/* Dedicated VRAM Output Card (Requested Format) */
.llm-vram-spec-card {
  background: var(--bone);
  border: 1px solid var(--paper-dark);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 14px;
}

.vram-spec-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--sans);
  font-size: 12.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--paper-dark);
}

.vram-total-badge {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 800;
  color: var(--coral);
}

.vram-stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12.5px;
  padding: 6px 0;
  border-bottom: 1px dashed rgba(0,0,0,0.06);
}

.vram-stat-row:last-child {
  border-bottom: none;
}

.vstat-key {
  color: var(--ink-mute);
  font-weight: 600;
}

.vstat-val {
  font-family: var(--mono);
  color: var(--ink);
}

.vram-stat-highlight {
  background: rgba(30, 126, 52, 0.06);
  padding: 8px 10px;
  border-radius: 6px;
  margin-top: 6px;
  border: 1px solid rgba(30, 126, 52, 0.18);
}

.llm-terminal-box {
  background: #191815;
  color: #efe7d2;
  border-radius: 8px;
  padding: 12px 14px;
}

.term-lbl {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #8b8676;
  margin-bottom: 6px;
  font-family: var(--mono);
}

.term-cmd-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.term-cmd-row code {
  font-family: var(--mono);
  font-size: 12px;
  color: #5af78e;
  word-break: break-all;
}

.copy-term-btn {
  background: #2a2620;
  border: 1px solid #4a4436;
  color: #efe7d2;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  white-space: nowrap;
}

.copy-term-btn:hover {
  background: var(--coral);
  border-color: var(--coral);
  color: #fff;
}

/* Models Your PC Can Run Matrix Table */
.llm-matrix-container {
  background: var(--paper);
  border: 1px solid var(--paper-dark);
  border-radius: 10px;
  padding: 22px;
  margin-top: 24px;
}

.llm-matrix-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 16px;
}

.llm-matrix-title {
  font-family: var(--serif);
  font-size: 1.35rem;
  color: var(--ink);
  margin-bottom: 4px;
}

.llm-matrix-subtitle {
  font-size: 12.5px;
  color: var(--ink-mute);
  margin: 0;
}

.matrix-filter-buttons {
  display: flex;
  gap: 6px;
}

.matrix-btn {
  padding: 4px 10px;
  font-size: 11.5px;
  font-weight: 600;
  background: var(--bone);
  border: 1px solid var(--paper-dark);
  border-radius: 4px;
  cursor: pointer;
  color: var(--ink-soft);
  transition: all 0.15s;
}

.matrix-btn.active {
  background: var(--coral);
  color: #fff;
  border-color: var(--coral);
}

.llm-matrix-table-wrap {
  overflow-x: auto;
}

.llm-matrix-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
  text-align: left;
}

.llm-matrix-table th {
  background: var(--paper-dark);
  padding: 10px 12px;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 2px solid var(--coral);
}

.llm-matrix-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--paper-dark);
  color: var(--ink-soft);
}

.matrix-row-fits:hover td { background: rgba(30, 126, 52, 0.05); }
.matrix-row-tight:hover td { background: rgba(183, 129, 3, 0.05); }
.matrix-row-fail:hover td { background: rgba(200, 30, 30, 0.05); }

.cell-model {
  display: flex;
  flex-direction: column;
}

.model-params-sub {
  font-size: 10px;
  color: var(--ink-faint);
  font-family: var(--mono);
}

.cat-badge {
  font-size: 10.5px;
  padding: 2px 6px;
  border-radius: 3px;
  font-weight: 600;
}

.cat-coding { background: #e0f2fe; color: #0284c7; }
.cat-reasoning { background: #f3e8ff; color: #7c3aed; }
.cat-general { background: #fef3c7; color: #b45309; }
.cat-fast { background: #dcfce7; color: #15803d; }

.fit-status-pill {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 12px;
}

.fit-status-pill.fit-fits { background: #eaf5ea; color: #1e7e34; }
.fit-status-pill.fit-tight { background: #fff8e1; color: #b78103; }
.fit-status-pill.fit-fail { background: #fde8e8; color: #c81e1e; }

.cell-mono { font-family: var(--mono); font-size: 12px; }
.cell-speed { font-family: var(--mono); font-size: 11.5px; color: #1e7e34; font-weight: 600; }

.btn-matrix-run {
  background: var(--bone);
  border: 1px solid var(--paper-dark);
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-matrix-run:hover {
  background: var(--coral);
  color: #fff;
  border-color: var(--coral);
}

/* ========================================================
   COURSE STYLES: INTERACTIVE ANIMATED MODULES
   ======================================================== */
.course-nav-bar {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  margin-bottom: 20px;
  padding-bottom: 6px;
}

.course-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--paper);
  border: 1px solid var(--paper-dark);
  border-radius: 6px;
  font-family: var(--sans);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--ink-soft);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
}

.course-nav-btn:hover { border-color: var(--coral); color: var(--coral); }
.course-nav-btn.active { background: var(--ink); color: #fff; border-color: var(--ink); }

.course-content-box {
  background: var(--paper);
  border: 1px solid var(--paper-dark);
  border-radius: 12px;
  padding: 26px;
}

.course-header {
  margin-bottom: 24px;
  border-bottom: 1px solid var(--paper-dark);
  padding-bottom: 16px;
}

.course-tag {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 700;
  color: var(--coral);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 6px;
}

.course-header h2 {
  font-family: var(--serif);
  font-size: 1.6rem;
  color: var(--ink);
  margin-bottom: 8px;
}

.course-header p {
  font-size: 0.95rem;
  color: var(--ink-soft);
  line-height: 1.6;
  margin: 0;
}

.course-controls-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  background: var(--bone);
  border: 1px solid var(--paper-dark);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 22px;
}

.course-ctrl-item label {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 700;
  color: var(--ink);
  display: block;
  margin-bottom: 8px;
}

.course-pill-group {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.course-pill {
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 600;
  background: var(--paper);
  border: 1px solid var(--paper-dark);
  border-radius: 4px;
  cursor: pointer;
  color: var(--ink-soft);
  transition: all 0.15s;
}

.course-pill:hover { border-color: var(--coral); color: var(--coral); }
.course-pill.active { background: var(--coral); color: #fff; border-color: var(--coral); }

/* Physical VRAM Bar Simulation */
.vram-anim-card {
  background: var(--bone);
  border: 1px solid var(--paper-dark);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 22px;
  transition: border-color 0.3s ease;
}

.vram-anim-card.oom-border {
  border-color: #f87171;
  box-shadow: 0 0 16px rgba(239, 68, 68, 0.15);
}

.vram-anim-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  margin-bottom: 12px;
  font-family: var(--sans);
}

.fit-alert-tag {
  background: #dcfce7;
  color: #15803d;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 12px;
  margin-left: 6px;
}

.oom-alert-tag {
  background: #fee2e2;
  color: #b91c1c;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 12px;
  margin-left: 6px;
  animation: pulse-red 1.2s infinite ease-in-out;
}

@keyframes pulse-red {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.vram-physical-bar {
  display: flex;
  height: 38px;
  background: #e2e8f0;
  border-radius: 8px;
  overflow: hidden;
  border: 2px solid var(--paper-dark);
  margin-bottom: 16px;
}

.vram-bar-seg {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  transition: width 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
  white-space: nowrap;
}

.seg-runtime { background: #64748b; }
.seg-weights { background: var(--coral); }
.seg-kv-pulse {
  background: #2563eb;
  position: relative;
}
.seg-kv-pulse::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(255,255,255,0.2);
  animation: kv-shimmer 2s infinite linear;
}
@keyframes kv-shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.seg-free { background: #d1fae5; color: #065f46; }

.oom-warning-box {
  display: flex;
  gap: 12px;
  background: #fef2f2;
  border: 1px solid #fca5a5;
  color: #991b1b;
  border-radius: 6px;
  padding: 12px 14px;
  font-size: 12.5px;
  line-height: 1.5;
}

.fit-success-box {
  display: flex;
  gap: 12px;
  background: #f0fdf4;
  border: 1px solid #86efac;
  color: #166534;
  border-radius: 6px;
  padding: 12px 14px;
  font-size: 12.5px;
  line-height: 1.5;
}

/* Course Takeaways */
.course-takeaways {
  background: var(--bone);
  border: 1px solid var(--paper-dark);
  border-radius: 8px;
  padding: 18px;
}

.course-takeaways h4 {
  font-family: var(--sans);
  font-size: 13.5px;
  color: var(--ink);
  margin-bottom: 10px;
}

.course-takeaways ul, .course-takeaways ol {
  padding-left: 20px;
  font-size: 12.5px;
  color: var(--ink-soft);
  line-height: 1.6;
}

.course-takeaways li { margin-bottom: 6px; }

/* Token Law Card in Module 2 */
.token-law-card {
  background: linear-gradient(135deg, #1c1b18 0%, #11100e 100%);
  color: #efe7d2;
  border-radius: 10px;
  padding: 22px;
  margin-bottom: 22px;
}

.token-law-badge {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--mustard);
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.token-law-card h3 {
  font-family: var(--sans);
  font-size: 1.25rem;
  color: #fff;
  margin-bottom: 10px;
}

.token-law-card p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
  margin-bottom: 14px;
}

.formula-box {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  padding: 10px 14px;
}

.formula-box code {
  color: #a7f3d0;
  font-family: var(--mono);
  font-size: 12px;
}

/* Pipe Simulation in Module 2 */
.pipe-sim-container {
  background: var(--bone);
  border: 1px solid var(--paper-dark);
  border-radius: 8px;
  padding: 20px;
}

.pipe-sim-container h4 {
  font-family: var(--sans);
  font-size: 13.5px;
  margin-bottom: 4px;
}

.hardware-pipe-row {
  display: grid;
  grid-template-columns: 240px 1fr 140px;
  align-items: center;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

.pipe-row-bottleneck {
  background: rgba(239, 68, 68, 0.06);
  padding: 10px 8px;
  border-radius: 6px;
}

.pipe-hw-info strong {
  display: block;
  font-size: 12.5px;
  color: var(--ink);
}

.pipe-hw-info span {
  font-size: 11px;
  color: var(--ink-mute);
  font-family: var(--mono);
}

.pipe-track {
  height: 14px;
  background: #e2e8f0;
  border-radius: 7px;
  overflow: hidden;
}

.pipe-fill { height: 100%; border-radius: 7px; }
.fill-fast { background: #22c55e; }
.fill-med { background: #3b82f6; }
.fill-amber { background: #f59e0b; }
.fill-slow { background: #ef4444; }

.pipe-speed {
  font-family: var(--mono);
  font-size: 12px;
  text-align: right;
}

/* Quant Visualizer in Module 3 */
.quant-visual-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.quant-card {
  background: var(--bone);
  border: 1px solid var(--paper-dark);
  border-radius: 8px;
  padding: 16px;
}

.qcard-recommended {
  border-color: var(--coral);
  background: #fff;
  box-shadow: 0 4px 16px rgba(237, 111, 92, 0.12);
}

.qcard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  margin-bottom: 12px;
}

.qcard-badge {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
}

.badge-fp16 { background: #fee2e2; color: #991b1b; }
.badge-q8 { background: #fef3c7; color: #92400e; }
.badge-q4 { background: #dcfce7; color: #166534; }
.pill-gold { font-size: 10px; font-weight: 800; color: var(--coral); }

.bit-pattern-display {
  display: flex;
  gap: 4px;
  font-family: var(--mono);
  font-size: 10.5px;
  margin-bottom: 14px;
  background: var(--paper);
  padding: 8px;
  border-radius: 4px;
  border: 1px solid var(--paper-dark);
}

.bit-sign { background: #fca5a5; padding: 2px 4px; border-radius: 2px; }
.bit-exp { background: #fde047; padding: 2px 4px; border-radius: 2px; }
.bit-mantissa { background: #93c5fd; padding: 2px 4px; border-radius: 2px; }
.bit-int { background: #86efac; padding: 2px 6px; border-radius: 2px; }
.bit-int-4 { background: #4ade80; padding: 2px 6px; border-radius: 2px; }
.bit-scale, .bit-kscale { background: #d8b4fe; padding: 2px 4px; border-radius: 2px; }

.qcard-metric {
  font-size: 12px;
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
  border-bottom: 1px dashed var(--paper-dark);
  padding-bottom: 6px;
}

.qcard-desc {
  font-size: 11.5px;
  color: var(--ink-soft);
  line-height: 1.5;
  margin: 0;
}

/* KV Interactive Card in Module 4 */
.kv-interactive-card {
  background: var(--bone);
  border: 1px solid var(--paper-dark);
  border-radius: 8px;
  padding: 18px;
}

.kv-interactive-card h3 {
  font-family: var(--sans);
  font-size: 14px;
  margin-bottom: 8px;
}

.kv-interactive-card p {
  font-size: 12.5px;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

/* View 3: Model Calculator Styles */
.llm-calc-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 24px;
}

.llm-calc-inputs, .llm-calc-output {
  background: var(--paper);
  border: 1px solid var(--paper-dark);
  border-radius: 10px;
  padding: 22px;
}

.llm-section-title {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--paper-dark);
}

.llm-form-group {
  margin-bottom: 16px;
}

.llm-field-label {
  display: block;
  font-family: var(--sans);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 6px;
}

.llm-radio-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 6px;
}

.llm-radio-lbl {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--ink-soft);
  cursor: pointer;
}

.llm-output-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.llm-out-title {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}

.llm-fit-pill {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 12px;
}

.status-green { background: #eaf5ea; color: #1e7e34; }
.status-amber { background: #fff8e1; color: #b78103; }
.status-red { background: #fde8e8; color: #c81e1e; }

.llm-total-vram-card {
  background: var(--bone);
  border: 1px solid var(--paper-dark);
  border-radius: 8px;
  padding: 16px;
  text-align: center;
  margin-bottom: 16px;
}

.llm-total-lbl { font-size: 11px; font-weight: 700; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 4px; }
.llm-total-num { font-family: var(--mono); font-size: 2.2rem; font-weight: 800; color: var(--ink); line-height: 1; }
.llm-total-note { font-size: 11.5px; color: var(--ink-mute); margin-top: 6px; }

.llm-vram-bar-container {
  margin-bottom: 16px;
}

.llm-vram-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--ink-mute);
  margin-bottom: 6px;
}

.llm-stacked-bar {
  display: flex;
  height: 14px;
  border-radius: 7px;
  overflow: hidden;
  background: #eee;
}

.bar-seg { height: 100%; }
.seg-weights { background: var(--coral); }
.seg-kv { background: #3b82f6; }
.seg-overhead { background: #64748b; }

.llm-breakdown-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
}

.b-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 10px;
  background: var(--bone);
  border-radius: 6px;
  font-size: 12.5px;
}

.b-row.b-highlight {
  background: rgba(237, 111, 92, 0.08);
  border: 1px solid rgba(237, 111, 92, 0.2);
}

.b-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
}

.dot-weights { background: var(--coral); }
.dot-kv { background: #3b82f6; }
.dot-overhead { background: #64748b; }

.llm-calc-recommendation {
  font-size: 12px;
  color: var(--ink-soft);
  background: var(--paper-warm);
  padding: 10px 14px;
  border-radius: 6px;
  border: 1px solid var(--paper-dark);
}

/* View 4: Token Cost Calculator */
.llm-token-controls {
  background: var(--paper);
  border: 1px solid var(--paper-dark);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 24px;
}

.llm-token-sliders {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.llm-cost-table-wrap {
  overflow-x: auto;
  background: var(--paper);
  border: 1px solid var(--paper-dark);
  border-radius: 10px;
  margin-bottom: 24px;
}

.llm-cost-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  text-align: left;
}

.llm-cost-table th {
  background: var(--paper-dark);
  padding: 12px 14px;
  font-family: var(--sans);
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 2px solid var(--coral);
}

.llm-cost-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--paper-dark);
  color: var(--ink-soft);
}

.llm-cost-table tr:hover td { background: rgba(255, 255, 255, 0.4); }
.row-highlight td { background: rgba(237, 111, 92, 0.05); }
.row-local td { background: rgba(40, 167, 69, 0.08); }

.provider-pill {
  font-size: 10.5px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
}

.prov-anthropic { background: #f5ebe6; color: #c85a32; }
.prov-openai { background: #e6f4ea; color: #10a37f; }
.prov-deepseek { background: #e0f2fe; color: #0284c7; }
.prov-google { background: #f3e8ff; color: #7c3aed; }
.prov-local { background: #dcfce7; color: #15803d; }

.cell-total { font-family: var(--mono); font-size: 14px; }

.llm-roi-banner {
  background: linear-gradient(135deg, #2a2620 0%, #15140f 100%);
  color: #fff;
  border-radius: 10px;
  padding: 20px 24px;
}

.roi-inner {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.roi-icon { font-size: 1.8rem; line-height: 1; }
.roi-text h4 { font-family: var(--sans); font-size: 1.05rem; color: #fff; margin-bottom: 6px; }
.roi-text p { font-size: 0.88rem; color: rgba(255, 255, 255, 0.8); line-height: 1.5; margin: 0; }
.roi-text strong { color: var(--coral-soft); }

/* What Are We Solving Section */
.llm-solving-card {
  background: var(--bone);
  border: 1px solid var(--paper-dark);
  border-radius: 12px;
  padding: 24px 28px;
  margin-bottom: 28px;
  box-shadow: 0 4px 16px rgba(21, 20, 15, 0.04);
}
.llm-solving-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--coral);
  background: rgba(237, 111, 92, 0.1);
  padding: 3px 8px;
  border-radius: 4px;
  margin-bottom: 8px;
}
.llm-solving-header h2 {
  font-family: var(--serif);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
  line-height: 1.3;
}
.llm-solving-header p {
  font-size: 0.95rem;
  color: var(--ink-soft);
  line-height: 1.6;
  max-width: 860px;
  margin-bottom: 20px;
}
.llm-solving-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 16px;
}
.llm-solving-item {
  background: #fff;
  border: 1px solid var(--paper-dark);
  border-radius: 8px;
  padding: 16px;
  transition: transform 0.15s, box-shadow 0.15s;
}
.llm-solving-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(21, 20, 15, 0.06);
  border-color: var(--coral-soft);
}
.llm-solving-icon {
  font-size: 1.4rem;
  margin-bottom: 8px;
}
.llm-solving-item h4 {
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
  line-height: 1.3;
}
.llm-solving-item p {
  font-size: 0.82rem;
  color: var(--ink-mute);
  line-height: 1.5;
  margin: 0;
}
.llm-solving-item em {
  color: var(--coral-dark);
  font-style: normal;
  font-weight: 600;
}

@media (max-width: 860px) {
  .llm-grid-two-col { grid-template-columns: 1fr; }
  .llm-calc-grid { grid-template-columns: 1fr; }
  .llm-dual-sliders { grid-template-columns: 1fr; }
  .llm-dual-fields { grid-template-columns: 1fr; }
  .course-controls-grid { grid-template-columns: 1fr; }
  .hardware-pipe-row { grid-template-columns: 1fr; }
  .llm-solving-grid { grid-template-columns: 1fr; }
  .llm-solving-card { padding: 18px; }
}