:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --surface-blue: #eef6ff;

  --text: #172033;
  --text-soft: #536179;
  --text-muted: #7a879a;

  --border: #dce5f0;
  --border-strong: #bfd0e4;

  --navy: #0e2847;
  --blue: #0070bd;
  --blue-dark: #06466f;
  --blue-soft: #dff1ff;

  --green: #1d8f5f;
  --green-soft: #ddf8ea;

  --purple: #7357d6;
  --purple-soft: #eee9ff;

  --orange: #f28c28;
  --orange-soft: #fff0de;

  --red: #d94d4d;
  --red-soft: #ffe6e6;

  --yellow: #d9a411;
  --yellow-soft: #fff6d8;

  --teal: #128c93;
  --gray-pill: #e9eef5;

  --shadow-sm: 0 6px 18px rgba(15, 35, 65, 0.08);
  --shadow-md: 0 14px 35px rgba(15, 35, 65, 0.12);
  --shadow-lg: 0 24px 70px rgba(15, 35, 65, 0.18);

  --radius-md: 18px;
  --radius-lg: 28px;

  --max-width: 1060px;
  --side-width: 310px;
  --watch-width: 430px;
}

/* BASE */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  margin: 0;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Arial,
    sans-serif;
  background:
    radial-gradient(circle at top left, rgba(0, 112, 189, 0.14), transparent 32rem),
    linear-gradient(180deg, #f7fbff 0%, var(--bg) 45%, #eef3f8 100%);
  color: var(--text);
  line-height: 1.6;
}

button,
input {
  font: inherit;
}

strong {
  font-weight: 800;
}

/* HERO */

.guide-hero {
  position: relative;
  overflow: hidden;
  padding: 58px 20px 44px;
  background:
    linear-gradient(135deg, rgba(14, 40, 71, 0.98), rgba(0, 112, 189, 0.92)),
    radial-gradient(circle at 85% 20%, rgba(255, 255, 255, 0.2), transparent 22rem);
  color: #ffffff;
}

.guide-hero::before {
  content: "";
  position: absolute;
  inset: auto -10% -35% -10%;
  height: 220px;
  background:
    radial-gradient(circle, rgba(255, 255, 255, 0.15) 0 2px, transparent 3px);
  background-size: 28px 28px;
  opacity: 0.45;
  transform: rotate(-4deg);
}

.guide-hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.76);
}

.guide-hero h1 {
  margin: 0;
  max-width: 900px;
  font-size: clamp(2.15rem, 5vw, 4.9rem);
  line-height: 0.96;
  letter-spacing: -0.06em;
}

.hero-copy {
  max-width: 800px;
  margin: 22px 0 0;
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: rgba(255, 255, 255, 0.86);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 9px 13px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #ffffff;
  font-size: 0.82rem;
  font-weight: 850;
}

/* NAV */

.quick-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 12px 16px;
  background: rgba(248, 251, 255, 0.9);
  border-bottom: 1px solid rgba(191, 208, 228, 0.75);
  backdrop-filter: blur(14px);
}

.quick-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 9px 15px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #ffffff;
  color: var(--navy);
  font-size: 0.9rem;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 3px 10px rgba(15, 35, 65, 0.06);
  transition: 180ms ease;
}

.quick-nav a:hover,
.quick-nav a.is-active {
  transform: translateY(-1px);
  border-color: var(--blue);
  background: var(--navy);
  color: #ffffff;
}

/* MAIN */

.guide-main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 34px 20px 80px;
  transition: transform 240ms ease;
}

.guide-section {
  margin-bottom: 70px;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  margin-bottom: 18px;
}

.section-label {
  margin: 0 0 5px;
  color: var(--blue);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section-heading h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1;
  letter-spacing: -0.055em;
}

.section-copy {
  max-width: 820px;
  margin: 14px 0 0;
  color: var(--text-soft);
  font-size: 1.02rem;
}

.section-reset-btn {
  flex: 0 0 auto;
  cursor: pointer;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 10px 14px;
  background: #ffffff;
  color: var(--navy);
  font-size: 0.86rem;
  font-weight: 800;
  box-shadow: var(--shadow-sm);
  transition: 180ms ease;
}

.section-reset-btn:hover {
  transform: translateY(-1px);
  border-color: var(--red);
  background: var(--red-soft);
}

/* WATCH PANEL */

.watch-panel {
  position: fixed;
  top: 86px;
  left: 18px;
  width: var(--watch-width);
  max-width: calc(100vw - 36px);
  z-index: 90;
  opacity: 0;
  transform: translateX(-24px);
  pointer-events: none;
  transition:
    opacity 220ms ease,
    transform 220ms ease;
}

.watch-panel.is-open {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.watch-panel__inner {
  border: 1px solid rgba(191, 208, 228, 0.95);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  backdrop-filter: blur(16px);
}

.watch-panel__top {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 16px;
  border-bottom: 1px solid var(--border);
  background:
    linear-gradient(135deg, rgba(14, 40, 71, 0.98), rgba(0, 112, 189, 0.9));
  color: #ffffff;
}

.watch-panel__kicker {
  margin: 0 0 4px;
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.78;
}

.watch-panel h2 {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.watch-panel__close {
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  color: #ffffff;
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
}

.watch-frame-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #0c1b2c;
}

.watch-frame-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.watch-placeholder {
  display: grid;
  place-items: center;
  height: 100%;
  padding: 24px;
  color: rgba(255, 255, 255, 0.72);
  text-align: center;
  font-weight: 800;
}

.watch-panel__description {
  margin: 0;
  padding: 14px 16px 0;
  color: var(--text-soft);
  font-size: 0.88rem;
}

.watch-panel__actions {
  padding: 14px 16px 16px;
}

.watch-open-link {
  display: inline-flex;
  justify-content: center;
  width: 100%;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--navy);
  color: #ffffff;
  font-weight: 900;
  text-decoration: none;
}

/* RESOURCE RAIL */

.resource-rail {
  position: fixed;
  top: 86px;
  right: 18px;
  width: var(--side-width);
  z-index: 75;
}

.resource-rail__inner {
  border: 1px solid rgba(191, 208, 228, 0.95);
  border-radius: 26px;
  padding: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(238, 246, 255, 0.92));
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(16px);
  max-height: calc(100vh - 108px);
  overflow-y: auto;
}

.resource-rail__kicker {
  margin: 0 0 6px;
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.resource-rail h2 {
  margin: 0;
  color: var(--navy);
  font-size: 1.25rem;
  line-height: 1.06;
  letter-spacing: -0.035em;
}

.resource-rail p {
  margin: 10px 0 0;
  color: var(--text-soft);
  font-size: 0.86rem;
  line-height: 1.45;
}

.resource-list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.resource-card {
  display: grid;
  gap: 8px;
  padding: 13px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: #ffffff;
}

.resource-card__type {
  color: var(--blue);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.resource-card h3 {
  margin: 0;
  color: var(--navy);
  font-size: 0.98rem;
  line-height: 1.15;
}

.resource-card p {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.8rem;
}

.resource-card__actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.resource-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 7px 10px;
  border: 0;
  border-radius: 999px;
  background: var(--navy);
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
}

.resource-action--secondary {
  background: var(--blue-soft);
  color: var(--blue-dark);
}

/* CARDS */

.section-summary-card,
.visual-card,
.detail-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-sm);
}

.section-summary-card {
  padding: 22px;
  margin-bottom: 22px;
}

.section-summary-card h3,
.visual-card h3,
.detail-card h3 {
  margin: 0;
  color: var(--navy);
}

.visual-card {
  padding: 22px;
  margin-bottom: 22px;
  overflow: hidden;
}

.visual-card__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 18px;
  margin-bottom: 18px;
}

.visual-card__head p {
  max-width: 700px;
  margin: 4px 0 0;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.detail-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.detail-card {
  position: relative;
  padding: 22px;
  overflow: hidden;
}

.detail-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: linear-gradient(180deg, var(--blue), var(--teal));
}

.detail-card--large {
  grid-column: 1 / -1;
}

.detail-card__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.detail-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 46px;
  height: 34px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--navy);
  color: #ffffff;
  font-size: 0.82rem;
  font-weight: 900;
}

.detail-intro {
  margin: 0 0 18px;
  color: var(--text-soft);
}

.detail-card h4 {
  margin: 0 0 8px;
  color: var(--blue-dark);
  font-size: 0.95rem;
}

.detail-card ul {
  margin: 0;
  padding-left: 1.2rem;
}

.detail-card li + li {
  margin-top: 6px;
}

.detail-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

/* CHECKLIST */

.checklist-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  min-height: 48px;
  padding: 13px 14px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface-soft);
  cursor: pointer;
  transition: 160ms ease;
}

.check-item:hover {
  transform: translateY(-1px);
  border-color: var(--blue);
  background: #ffffff;
  box-shadow: 0 8px 18px rgba(15, 35, 65, 0.08);
}

.check-item input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--blue);
  flex: 0 0 auto;
}

.check-item span {
  font-weight: 750;
}

.check-item.is-checked {
  border-color: rgba(29, 143, 95, 0.35);
  background: var(--green-soft);
}

.check-item.is-checked span {
  color: #125d3f;
  text-decoration: line-through;
  text-decoration-thickness: 2px;
  text-decoration-color: rgba(29, 143, 95, 0.45);
}

/* PROGRESS */

.section-progress {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--surface-blue);
  color: var(--blue-dark);
  font-size: 0.88rem;
  font-weight: 850;
}

.section-progress__bar {
  width: 92px;
  height: 8px;
  border-radius: 999px;
  background: rgba(0, 112, 189, 0.14);
  overflow: hidden;
}

.section-progress__fill {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--blue), var(--teal));
  transition: width 240ms ease;
}

.guide-section.is-complete .section-heading h2::after {
  content: " ✓";
  color: var(--green);
}

/* PILLS */

.pill,
.tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  white-space: nowrap;
}

.pill {
  min-height: 34px;
  padding: 8px 12px;
  border: 1px solid transparent;
  font-size: 0.82rem;
  line-height: 1;
  font-weight: 850;
}

.pill-row,
.board-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill--input {
  background: var(--gray-pill);
  border-color: #d6dde8;
  color: #26384f;
}

.pill--dca {
  background: var(--blue-soft);
  border-color: rgba(0, 112, 189, 0.24);
  color: var(--blue-dark);
}

.pill--group {
  background: var(--purple-soft);
  border-color: rgba(115, 87, 214, 0.25);
  color: #49349b;
}

.pill--mix {
  background: var(--green-soft);
  border-color: rgba(29, 143, 95, 0.23);
  color: #125d3f;
}

.pill--fx {
  background: var(--orange-soft);
  border-color: rgba(242, 140, 40, 0.28);
  color: #8c4b08;
}

.pill--talkback {
  background: var(--red-soft);
  border-color: rgba(217, 77, 77, 0.25);
  color: #8d2424;
}

.pill--utility {
  background: #edf1f7;
  border-color: #d5deeb;
  color: #4e5b6c;
}

.pill--vocal {
  background: #ffe8f1;
  color: #8f2450;
  border-color: #ffc6dc;
}

.pill--bgv {
  background: #fff3d7;
  color: #7a5200;
  border-color: #ffe0a0;
}

.pill--guitar {
  background: #f1e7ff;
  color: #57318e;
  border-color: #dbc5ff;
}

.pill--bass {
  background: #e6f0ff;
  color: #214e91;
  border-color: #bfd7ff;
}

.pill--keys {
  background: #e3fbf9;
  color: #09656a;
  border-color: #bbefed;
}

.pill--drums {
  background: #ffe9df;
  color: #913b15;
  border-color: #ffc8af;
}

.pill--tracks {
  background: #e8f7df;
  color: #3d6f1c;
  border-color: #c9ecb6;
}

.pill--speech {
  background: #eef1ff;
  color: #38479d;
  border-color: #cbd2ff;
}

/* SIGNAL FLOW */

.signal-flow {
  display: grid;
  gap: 12px;
  padding: 18px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(238, 246, 255, 0.95), rgba(255, 255, 255, 0.9));
  border: 1px dashed var(--border-strong);
}

.signal-flow__lane {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.flow-arrow {
  color: var(--blue);
  font-size: 1.2rem;
  font-weight: 900;
}

.signal-note {
  color: var(--text-soft);
  font-size: 0.92rem;
  font-weight: 700;
}

/* BOARD VISUAL */

.board-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.9fr);
  gap: 18px;
}

.board-bank {
  padding: 18px;
  border-radius: 24px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, #ffffff, #f7faff);
}

.board-bank--right {
  background: linear-gradient(180deg, #f7fbff, #eef6ff);
  border-color: rgba(0, 112, 189, 0.18);
}

.board-bank__head {
  margin-bottom: 14px;
}

.board-bank__head h4 {
  margin: 0;
  color: var(--navy);
}

.board-bank__head p {
  margin: 3px 0 0;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.board-bank .pill {
  position: relative;
  min-width: 88px;
  min-height: 42px;
  border-radius: 13px;
}

.board-bank .pill::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 6px;
  height: 3px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.1);
}

/* TABLES */

.routing-table-wrapper {
  overflow-x: auto;
  margin: 12px 0 18px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: #ffffff;
}

.routing-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
}

.routing-table th,
.routing-table td {
  padding: 14px 15px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
}

.routing-table th {
  background: var(--navy);
  color: #ffffff;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.routing-table td:first-child {
  font-weight: 850;
  color: var(--blue-dark);
}

.routing-table tr:last-child td {
  border-bottom: none;
}

.routing-table tbody tr:nth-child(even) {
  background: #f8fbff;
}

/* LAYER CARDS */

.layer-stack {
  display: grid;
  gap: 14px;
}

.layer-card {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: #ffffff;
}

.layer-number {
  display: inline-flex;
  margin-bottom: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue-dark);
  font-size: 0.75rem;
  font-weight: 900;
}

.layer-card h4 {
  margin: 0;
  color: var(--navy);
}

.layer-card p {
  margin: 4px 0 0;
  color: var(--text-soft);
}

/* CALLOUTS */

.callout,
.done-box {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid transparent;
}

.callout--warning {
  background: var(--red-soft);
  border-color: rgba(217, 77, 77, 0.25);
  color: #762222;
}

.callout--tip {
  background: var(--yellow-soft);
  border-color: rgba(217, 164, 17, 0.25);
  color: #6d4d00;
}

.done-box {
  background: var(--green-soft);
  border-color: rgba(29, 143, 95, 0.24);
  color: #125d3f;
}

/* FOOTER */

.guide-footer {
  padding: 38px 20px;
  text-align: center;
  color: var(--text-muted);
}

/* TOP BUTTON */

.move-top-btn {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 100;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  height: 48px;
  padding: 0 15px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  background: var(--navy);
  color: #ffffff;
  font-size: 0.92rem;
  font-weight: 900;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: 180ms ease;
}

.move-top-btn.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.move-top-btn:hover {
  background: var(--blue);
}

/* FLASH */

.guide-section.section-flash {
  animation: sectionFlash 500ms ease;
}

@keyframes sectionFlash {
  0% {
    filter: brightness(1);
  }

  35% {
    filter: brightness(1.04);
  }

  100% {
    filter: brightness(1);
  }
}

/* ACCESSIBILITY */

:focus-visible {
  outline: 3px solid rgba(0, 112, 189, 0.35);
  outline-offset: 3px;
}

/* WIDE DESKTOP LAYOUT */

@media (min-width: 1760px) {
  body.watch-open .guide-main,
  body.watch-open .guide-hero__inner {
    transform: translateX(150px);
  }
}

@media (min-width: 1420px) and (max-width: 1759px) {
  .guide-main,
  .guide-hero__inner {
    max-width: 900px;
    transform: translateX(-110px);
  }

  body.watch-open .resource-rail {
    display: none;
  }

  body.watch-open .guide-main,
  body.watch-open .guide-hero__inner {
    transform: translateX(150px);
  }
}

/* RESPONSIVE */

@media (max-width: 1419px) {
  .resource-rail {
    position: static;
    width: auto;
    max-width: var(--max-width);
    margin: 24px auto 0;
    padding: 0 20px;
  }

  .resource-rail__inner {
    max-height: none;
  }

  .resource-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .watch-panel {
    top: 82px;
  }
}

@media (max-width: 920px) {
  .section-heading,
  .visual-card__head {
    align-items: flex-start;
    flex-direction: column;
  }

  .detail-card-grid,
  .detail-columns,
  .board-layout {
    grid-template-columns: 1fr;
  }

  .checklist-grid,
  .resource-list {
    grid-template-columns: 1fr;
  }

  .watch-panel {
    left: 14px;
    right: 14px;
    width: auto;
  }
}

@media (max-width: 640px) {
  .guide-hero {
    padding: 42px 16px 34px;
  }

  .guide-main {
    padding: 24px 14px 70px;
  }

  .quick-nav {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
  }

  .quick-nav a {
    flex: 0 0 auto;
  }

  .resource-rail {
    padding: 0 14px;
  }

  .section-summary-card,
  .visual-card,
  .detail-card,
  .resource-rail__inner {
    padding: 18px;
    border-radius: 22px;
  }

  .board-bank .pill {
    min-width: calc(50% - 6px);
    justify-content: flex-start;
  }

  .pill {
    white-space: normal;
    text-align: center;
  }

  .move-top-btn {
    right: 14px;
    bottom: 14px;
  }
}

/* =========================================================
   SECTION 3 LAYER VISUAL GUIDE
========================================================= */

.layer-guide-card {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.96), rgba(238,246,255,0.9));
}

.layer-toggle-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.layer-toggle-btn {
  cursor: pointer;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 14px;
  background: #ffffff;
  color: var(--navy);
  font-size: 0.86rem;
  font-weight: 900;
  box-shadow: var(--shadow-sm);
  transition: 180ms ease;
}

.layer-toggle-btn:hover,
.layer-toggle-btn.is-active {
  transform: translateY(-1px);
  border-color: var(--blue);
  background: var(--navy);
  color: #ffffff;
}

.layer-guide-meta {
  margin-bottom: 18px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: #ffffff;
}

.layer-guide-kicker {
  margin: 0 0 6px;
  color: var(--blue);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.layer-guide-meta h3 {
  margin: 0;
  color: var(--navy);
  font-size: 1.45rem;
  letter-spacing: -0.035em;
}

.layer-guide-meta p:last-child {
  margin: 8px 0 0;
  color: var(--text-soft);
}

.console-strip-grid {
  display: grid;
  grid-template-columns: repeat(24, minmax(54px, 1fr));
  gap: 8px;
  overflow-x: auto;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background:
    linear-gradient(180deg, #0e2847, #0a1c32);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08);
}

.console-strip {
  min-width: 54px;
  min-height: 150px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 7px;
  border-radius: 14px;
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(255,255,255,0.2);
  box-shadow: inset 0 -8px 0 rgba(0,0,0,0.06);
}

.console-strip__number {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 22px;
  border-radius: 999px;
  background: rgba(14,40,71,0.1);
  color: var(--navy);
  font-size: 0.72rem;
  font-weight: 900;
}

.console-strip__name {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  text-align: center;
  color: var(--navy);
  font-size: 0.76rem;
  font-weight: 900;
  line-height: 1.1;
}

.console-strip__type {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 22px;
  border-radius: 999px;
  font-size: 0.62rem;
  font-weight: 900;
  text-transform: uppercase;
}

.console-strip.is-locked {
  background: linear-gradient(180deg, #fff6d8, #fff0de);
  border: 2px solid var(--orange);
  box-shadow:
    inset 0 -8px 0 rgba(242,140,40,0.18),
    0 0 0 2px rgba(242,140,40,0.14);
}

.console-strip.is-none {
  opacity: 0.55;
  background: rgba(255,255,255,0.45);
}

.strip-type--input {
  background: var(--gray-pill);
  color: #26384f;
}

.strip-type--dca {
  background: var(--blue-soft);
  color: var(--blue-dark);
}

.strip-type--group {
  background: var(--purple-soft);
  color: #49349b;
}

.strip-type--mix {
  background: var(--green-soft);
  color: #125d3f;
}

.strip-type--fx {
  background: var(--orange-soft);
  color: #8c4b08;
}

.strip-type--utility {
  background: #edf1f7;
  color: #4e5b6c;
}

.strip-type--none {
  background: #eef1f5;
  color: #7a879a;
}

.layer-guide-notes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.layer-guide-notes > div {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: #ffffff;
}

.layer-guide-notes h4 {
  margin: 0 0 8px;
  color: var(--blue-dark);
}

.layer-guide-notes ul {
  margin: 0;
  padding-left: 1.2rem;
}

.layer-guide-notes li + li {
  margin-top: 6px;
}

@media (max-width: 920px) {
  .layer-guide-notes {
    grid-template-columns: 1fr;
  }

  .console-strip-grid {
    grid-template-columns: repeat(24, 56px);
  }
}

/* =========================================================
   SECTION 4 SOFT KEY VISUAL GUIDE
========================================================= */

.softkey-guide-card {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.96), rgba(238,246,255,0.9));
}

.softkey-toggle-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.softkey-toggle-btn {
  cursor: pointer;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 14px;
  background: #ffffff;
  color: var(--navy);
  font-size: 0.86rem;
  font-weight: 900;
  box-shadow: var(--shadow-sm);
  transition: 180ms ease;
}

.softkey-toggle-btn:hover,
.softkey-toggle-btn.is-active {
  transform: translateY(-1px);
  border-color: var(--blue);
  background: var(--navy);
  color: #ffffff;
}

.softkey-meta {
  margin-bottom: 18px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: #ffffff;
}

.softkey-kicker {
  margin: 0 0 6px;
  color: var(--blue);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.softkey-meta h3 {
  margin: 0;
  color: var(--navy);
  font-size: 1.45rem;
  letter-spacing: -0.035em;
}

.softkey-meta p:last-child {
  margin: 8px 0 0;
  color: var(--text-soft);
}

.softkey-layout-shell {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background:
    linear-gradient(180deg, #0e2847, #0a1c32);
  overflow-x: auto;
}

.softkey-visual {
  display: grid;
  gap: 10px;
  min-width: 520px;
}

.softkey-visual.layout-right-16 {
  grid-template-columns: repeat(4, minmax(100px, 1fr));
}

.softkey-visual.layout-middle-6 {
  grid-template-columns: repeat(3, minmax(120px, 1fr));
}

.softkey-visual.layout-left-2 {
  grid-template-columns: repeat(2, minmax(140px, 1fr));
  max-width: 420px;
}

.softkey-button-card {
  min-height: 92px;
  padding: 12px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.22);
  background: rgba(255,255,255,0.94);
  box-shadow: inset 0 -8px 0 rgba(0,0,0,0.06);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.softkey-button-card__top {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
}

.softkey-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 30px;
  min-height: 24px;
  border-radius: 999px;
  background: rgba(14,40,71,0.1);
  color: var(--navy);
  font-size: 0.72rem;
  font-weight: 900;
}

.softkey-type {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 0.62rem;
  font-weight: 900;
  text-transform: uppercase;
}

.softkey-name {
  color: var(--navy);
  font-size: 0.9rem;
  line-height: 1.15;
  font-weight: 900;
}

.softkey-desc {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.76rem;
  line-height: 1.3;
}

.softkey-button-card.type-global .softkey-type {
  background: var(--blue-soft);
  color: var(--blue-dark);
}

.softkey-button-card.type-iem .softkey-type {
  background: var(--green-soft);
  color: #125d3f;
}

.softkey-button-card.type-snippet .softkey-type {
  background: var(--purple-soft);
  color: #49349b;
}

.softkey-button-card.type-clear .softkey-type {
  background: var(--red-soft);
  color: #8d2424;
}

.softkey-button-card.type-fx .softkey-type {
  background: var(--orange-soft);
  color: #8c4b08;
}

.softkey-notes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.softkey-notes > div {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: #ffffff;
}

.softkey-notes h4 {
  margin: 0 0 8px;
  color: var(--blue-dark);
}

.softkey-notes ul {
  margin: 0;
  padding-left: 1.2rem;
}

.softkey-notes li + li {
  margin-top: 6px;
}

@media (max-width: 920px) {
  .softkey-notes {
    grid-template-columns: 1fr;
  }

  .softkey-visual.layout-right-16 {
    grid-template-columns: repeat(4, 120px);
  }

  .softkey-visual.layout-middle-6 {
    grid-template-columns: repeat(3, 130px);
  }

  .softkey-visual.layout-left-2 {
    grid-template-columns: repeat(2, 150px);
  }
}