/* ###################################################################### */
/* ######################## BEGIN ACADEMY FINAL CSS ###################### */
/* ###################################################################### */

/* ====================================================================== */
/* 01. ACADEMY + LABS HERO / INTRO                                        */
/* ====================================================================== */

.page-academy .academy-hero--compact,
.page-labs .academy-hero--compact {
  margin-bottom: 18px;
}

.page-academy .academy-hero__inner,
.page-labs .academy-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr);
  gap: 24px;
  align-items: center;
}

.page-academy .academy-kicker,
.page-labs .academy-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(0, 255, 255, 0.16);
  background: rgba(0, 255, 255, 0.06);
  color: rgba(225, 245, 255, 0.92);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.page-academy .academy-hero .page-title,
.page-labs .academy-hero .page-title {
  margin: 0 0 12px;
  line-height: 1.08;
}

.page-academy .academy-hero .page-subtitle,
.page-labs .academy-hero .page-subtitle {
  max-width: 760px;
  margin: 0;
  color: rgba(230, 241, 255, 0.92);
}

.page-academy .academy-hero__panel,
.page-labs .academy-hero__panel {
  position: relative;
  min-height: 220px;
  overflow: hidden;
  border-radius: 22px;
  border: 1px solid rgba(0, 255, 255, 0.14);
  background:
    radial-gradient(circle at 50% 50%, rgba(0, 255, 255, 0.10), transparent 48%),
    linear-gradient(180deg, rgba(17, 24, 34, 0.95), rgba(8, 12, 18, 0.98));
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.34),
    inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}

.page-academy .academy-hero__panel::after,
.page-labs .academy-hero__panel::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(135deg, rgba(0, 255, 255, 0.08), rgba(0, 255, 255, 0.00) 42%),
    radial-gradient(circle at 78% 18%, rgba(255, 255, 255, 0.06), transparent 22%);
}

.page-academy .academy-hero__glow,
.page-labs .academy-hero__glow {
  position: absolute;
  inset: auto auto 18% 50%;
  width: 180px;
  height: 180px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 255, 255, 0.22), rgba(0, 255, 255, 0.00) 70%);
  filter: blur(10px);
}

.page-academy .academy-hero__grid,
.page-labs .academy-hero__grid {
  position: absolute;
  inset: 0;
  opacity: 0.45;
  background-image:
    linear-gradient(rgba(0, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent);
}

.page-academy .academy-hero__badge,
.page-labs .academy-hero__badge {
  position: absolute;
  right: 18px;
  bottom: 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(0, 255, 255, 0.18);
  background: rgba(5, 10, 16, 0.82);
  backdrop-filter: blur(8px);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(230, 245, 255, 0.92);
  box-shadow:
    0 10px 24px rgba(0, 0, 0, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.page-academy .academy-shell,
.page-labs .academy-shell {
  max-width: 1240px;
  margin: 0 auto;
}

.page-academy .academy-intro,
.page-labs .academy-intro {
  max-width: 980px;
  margin-bottom: 24px;
}

.page-academy .academy-intro h2,
.page-labs .academy-intro h2 {
  margin: 0 0 14px;
}

.page-academy .academy-intro p,
.page-labs .academy-intro p {
  margin: 0 0 14px;
  color: rgba(225, 236, 248, 0.94);
}

/* ====================================================================== */
/* 02. PAGE BACKGROUND                                                    */
/* ====================================================================== */

.page-academy {
  position: relative;
  isolation: isolate;
  background:
    radial-gradient(circle at 18% 12%, rgba(0, 255, 255, 0.08), transparent 26%),
    radial-gradient(circle at 82% 14%, rgba(255, 196, 108, 0.06), transparent 22%),
    linear-gradient(180deg, rgba(3, 6, 10, 0.96), rgba(2, 4, 8, 1));
}

.page-academy::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  opacity: 0.42;
  background:
    linear-gradient(180deg, rgba(3, 7, 12, 0.72), rgba(3, 6, 10, 0.90)),
    linear-gradient(90deg, rgba(0, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(rgba(0, 255, 255, 0.04) 1px, transparent 1px);
  background-size: auto, 140px 100%, 100% 88px;
}

.page-academy::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.85;
  background:
    radial-gradient(circle at 28% 12%, rgba(0, 255, 255, 0.06), transparent 22%),
    radial-gradient(circle at 74% 16%, rgba(255, 196, 108, 0.05), transparent 18%);
}

.page-academy .page-frame,
.page-academy .page-frame__inner,
.page-academy .academy-intro,
.page-academy .academy-library {
  position: relative;
  z-index: 2;
}

/* ====================================================================== */
/* 03. LEGEND + PROGRESS CARDS                                            */
/* ====================================================================== */

.page-academy .academy-legend,
.page-academy .academy-progress-summary {
  position: relative;
  padding: 18px 20px;
  border-radius: 20px;
  border: 1px solid rgba(0, 255, 255, 0.08);
  background: linear-gradient(180deg, rgba(8, 14, 20, 0.92), rgba(4, 8, 13, 0.96));
  box-shadow:
    0 20px 40px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.page-academy .academy-legend {
  margin: 18px 0 14px;
}

.page-academy .academy-progress-summary {
  margin: 0 0 28px;
}

.page-academy .academy-legend__title,
.page-academy .academy-progress-summary__title {
  margin: 0 0 12px;
  color: #edf9ff;
  font-size: 0.96rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1;
}

.page-academy .academy-legend__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px 16px;
}

.page-academy .academy-legend__item {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 8px 10px;
  border-radius: 14px;
  background: rgba(10, 18, 26, 0.68);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.page-academy .academy-legend__code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 76px;
  height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.03)),
    linear-gradient(135deg, rgba(20, 32, 46, 0.94), rgba(8, 14, 22, 0.96));
  border: 1px solid rgba(255, 255, 255, 0.10);
  color: #f3fbff;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.page-academy .academy-legend__text {
  color: rgba(232, 240, 246, 0.92);
  font-size: 0.9rem;
  line-height: 1.35;
}

.page-academy .academy-progress-summary__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.page-academy .academy-progress-summary__percent {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(10, 18, 26, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: #67f4af;
  font-size: 1.2rem;
  font-weight: 900;
}

.page-academy .academy-progress-summary__track {
  position: relative;
  height: 12px;
  margin-bottom: 14px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.25);
}

.page-academy .academy-progress-summary__bar {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, #4fd7ff, #67f4af);
  box-shadow: 0 0 12px rgba(79, 215, 255, 0.40);
  transition: width .35s ease;
}

.page-academy .academy-progress-summary__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.page-academy .academy-progress-summary__item {
  min-height: 66px;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(10, 18, 26, 0.68);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.page-academy .academy-progress-summary__label {
  display: block;
  margin-bottom: 4px;
  color: rgba(214, 226, 236, 0.82);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.page-academy .academy-progress-summary__value {
  color: #ffffff;
  font-size: 1rem;
  font-weight: 900;
}

/* ====================================================================== */
/* 04. LIBRARY / SHELF / LEVEL 2 REGAL FINAL                              */
/* ====================================================================== */

.page-academy .academy-library {
  display: grid;
  gap: 0;
  perspective: 2200px;
  perspective-origin: 50% 16%;
}

.page-academy .academy-shelf {
  position: relative;
  z-index: 2;
  overflow: visible;
  margin-top: 10px;
  padding: 18px 18px 18px;
  border-radius: 24px;
  border: 1px solid rgba(255, 178, 92, 0.14);
  background: linear-gradient(180deg, rgba(38, 20, 8, 0.98), rgba(18, 9, 4, 1));
  box-shadow:
    0 22px 54px rgba(0, 0, 0, 0.44),
    inset 0 1px 0 rgba(255, 255, 255, 0.03),
    inset 0 -1px 0 rgba(0, 0, 0, 0.52);
}

.page-academy .academy-shelf::before {
  content: "";
  position: absolute;
  inset: 12px 12px auto 12px;
  height: 22px;
  border-radius: 16px 16px 10px 10px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.00));
  opacity: 0.45;
  pointer-events: none;
}

.page-academy .academy-shelf::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255, 224, 172, 0.12), rgba(255, 224, 172, 0.02));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  pointer-events: none;
}

.page-academy .academy-shelf__row {
  position: relative;
  display: flex;
  align-items: flex-end;
  gap: 10px;
  min-height: 206px;
  padding: 24px 18px 40px;
  border-radius: 26px;
  background:
    radial-gradient(circle at 50% 10%, rgba(255, 140, 0, 0.12), transparent 60%),
    linear-gradient(180deg, rgba(25, 12, 6, 0.95), rgba(8, 4, 2, 1));
  box-shadow:
    0 40px 100px rgba(0, 0, 0, 0.80),
    inset 0 2px 8px rgba(255, 200, 120, 0.15),
    inset 0 -8px 30px rgba(0, 0, 0, 0.80);
}

.page-academy .academy-shelf__row::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: radial-gradient(circle at 50% 0%, rgba(255, 160, 60, 0.15), transparent 50%);
  filter: blur(12px);
}

.page-academy .academy-shelf__row::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 10px;
  height: 14px;
  border-radius: 12px;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0.02) 24%, rgba(0, 0, 0, 0.42) 100%),
    linear-gradient(90deg, rgba(86, 58, 34, 0.98), rgba(37, 22, 12, 1), rgba(86, 58, 34, 0.98));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    inset 0 -2px 6px rgba(0, 0, 0, 0.34),
    0 10px 18px rgba(0, 0, 0, 0.28);
}

.page-academy .academy-shelf__row.is-book-selected .academy-spine:not(.is-selected) {
  opacity: 0.82;
}

.page-academy .academy-spine {
  --academy-spine-edge: rgba(0, 255, 255, 0.16);
  --academy-spine-glow: rgba(0, 255, 255, 0.14);
  --academy-spine-cover-a: rgba(15, 31, 44, 0.98);
  --academy-spine-cover-b: rgba(7, 12, 18, 1);

  position: relative;
  display: inline-flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  width: 52px;
  min-height: 148px;
  padding: 10px 6px 12px;
  overflow: hidden;
  border-radius: 10px 10px 8px 8px;
  border: 1px solid var(--academy-spine-edge);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.00) 16%),
    linear-gradient(180deg, var(--academy-spine-cover-a), var(--academy-spine-cover-b));
  color: #f7fbff;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.82);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.10),
    inset 0 -3px 10px rgba(0, 0, 0, 0.52),
    0 8px 20px rgba(0, 0, 0, 0.34);
  cursor: pointer;
  transform-origin: center bottom;
  transform-style: preserve-3d;
  transition:
    transform .35s ease,
    box-shadow .35s ease,
    opacity .35s ease,
    filter .35s ease,
    width .35s ease;
}

.page-academy .academy-spine--wide {
  width: 62px;
}

.page-academy .academy-spine--placeholder {
  opacity: 0.88;
}

.page-academy .academy-spine::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 3px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.03));
  opacity: 0.42;
}

.page-academy .academy-spine:hover,
.page-academy .academy-spine:focus-visible {
  transform: translateY(-8px) scale(1.04) rotateX(-3deg) rotateY(-3deg);
  box-shadow:
    0 18px 30px rgba(0, 0, 0, 0.60),
    0 0 16px rgba(79, 215, 255, 0.25);
  filter: saturate(1.12) brightness(1.04);
}

.page-academy .academy-spine.is-selected {
  transform: translateY(-16px) scale(1.055);
  box-shadow:
    0 26px 38px rgba(0, 0, 0, 0.40),
    0 0 24px var(--academy-spine-glow),
    0 0 0 1px var(--academy-spine-edge);
}

.page-academy .academy-spine.is-gap {
  opacity: 0;
  transform: translateY(16px) scale(0.95);
  pointer-events: none;
}

.page-academy .academy-spine__level {
  position: relative;
  z-index: 3;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  line-height: 1;
}

.page-academy .academy-spine__title {
  position: relative;
  z-index: 3;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.045em;
  text-align: center;
  line-height: 1.08;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.82);
}

.page-academy .academy-spine[data-spine-style="foundation"],
.page-academy .academy-spine[data-book-key="chapter-01"] {
  --academy-spine-edge: rgba(0, 220, 255, 0.18);
  --academy-spine-glow: rgba(0, 220, 255, 0.18);
  --academy-spine-cover-a: rgba(17, 49, 72, 0.98);
  --academy-spine-cover-b: rgba(7, 18, 28, 1);
}

.page-academy .academy-spine[data-spine-style="switching"],
.page-academy .academy-spine[data-book-key="chapter-02"] {
  --academy-spine-edge: rgba(119, 155, 255, 0.20);
  --academy-spine-glow: rgba(119, 155, 255, 0.20);
  --academy-spine-cover-a: rgba(32, 46, 97, 0.98);
  --academy-spine-cover-b: rgba(12, 17, 38, 1);
}

.page-academy .academy-spine[data-spine-style="routing"],
.page-academy .academy-spine[data-spine-style="routing-paths"],
.page-academy .academy-spine[data-book-key="chapter-03"] {
  --academy-spine-edge: rgba(125, 255, 214, 0.20);
  --academy-spine-glow: rgba(125, 255, 214, 0.20);
  --academy-spine-cover-a: rgba(18, 67, 58, 0.98);
  --academy-spine-cover-b: rgba(8, 26, 24, 1);
}

.page-academy .academy-spine[data-spine-style="diagnostics"],
.page-academy .academy-spine[data-book-key="chapter-04"] {
  --academy-spine-edge: rgba(255, 188, 84, 0.22);
  --academy-spine-glow: rgba(255, 188, 84, 0.22);
  --academy-spine-cover-a: rgba(90, 58, 18, 0.98);
  --academy-spine-cover-b: rgba(34, 22, 7, 1);
}

.page-academy .academy-spine[data-spine-style="ipv4"] {
  --academy-spine-edge: rgba(90, 220, 255, 0.20);
  --academy-spine-glow: rgba(90, 220, 255, 0.20);
  --academy-spine-cover-a: rgba(21, 74, 88, 0.98);
  --academy-spine-cover-b: rgba(8, 29, 36, 1);
}

.page-academy .academy-spine[data-spine-style="subnetting"] {
  --academy-spine-edge: rgba(184, 132, 255, 0.22);
  --academy-spine-glow: rgba(184, 132, 255, 0.22);
  --academy-spine-cover-a: rgba(64, 28, 95, 0.98);
  --academy-spine-cover-b: rgba(24, 9, 38, 1);
}

.page-academy .academy-spine[data-spine-style="vlan"] {
  --academy-spine-edge: rgba(255, 196, 93, 0.22);
  --academy-spine-glow: rgba(255, 196, 93, 0.22);
  --academy-spine-cover-a: rgba(98, 60, 15, 0.98);
  --academy-spine-cover-b: rgba(37, 21, 5, 1);
}

.page-academy .academy-spine[data-spine-style="services"] {
  --academy-spine-edge: rgba(106, 255, 182, 0.20);
  --academy-spine-glow: rgba(106, 255, 182, 0.20);
  --academy-spine-cover-a: rgba(18, 81, 62, 0.98);
  --academy-spine-cover-b: rgba(7, 30, 24, 1);
}

.page-academy .academy-spine[data-spine-style="firewall"] {
  --academy-spine-edge: rgba(255, 104, 129, 0.22);
  --academy-spine-glow: rgba(255, 104, 129, 0.22);
  --academy-spine-cover-a: rgba(102, 28, 40, 0.98);
  --academy-spine-cover-b: rgba(38, 8, 15, 1);
}

.page-academy .academy-spine[data-spine-style="incident"] {
  --academy-spine-edge: rgba(224, 255, 110, 0.20);
  --academy-spine-glow: rgba(224, 255, 110, 0.20);
  --academy-spine-cover-a: rgba(86, 88, 22, 0.98);
  --academy-spine-cover-b: rgba(33, 34, 8, 1);
}

.page-academy .academy-spine.is-read {
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.10),
    inset 0 -3px 10px rgba(0, 0, 0, 0.54),
    0 12px 22px rgba(0, 0, 0, 0.36),
    0 0 0 2px rgba(62, 176, 122, 0.20);
}

.page-academy .academy-spine.is-practice-started {
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.10),
    inset 0 -3px 10px rgba(0, 0, 0, 0.54),
    0 12px 22px rgba(0, 0, 0, 0.36),
    0 0 0 2px rgba(126, 106, 228, 0.18);
}

.page-academy .academy-spine.is-practice-completed {
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.10),
    inset 0 -3px 10px rgba(0, 0, 0, 0.54),
    0 12px 22px rgba(0, 0, 0, 0.36),
    0 0 0 2px rgba(255, 204, 96, 0.24),
    0 0 24px rgba(255, 204, 96, 0.10);
}

/* ====================================================================== */
/* 05. DESK / EMPTY / LAMP                                                */
/* ====================================================================== */

.page-academy .academy-desk {
  position: relative;
  overflow: hidden;
  min-height: 360px;
  margin-top: 24px;
  padding: 40px 24px;
  border-radius: 26px;
  border: 1px solid rgba(0, 255, 255, 0.12);
  background:
    radial-gradient(circle at 58% 0%, rgba(255, 214, 140, 0.04), transparent 20%),
    linear-gradient(180deg, rgba(6, 10, 16, 0.98), rgba(3, 6, 10, 1));
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.page-academy .academy-desk::before {
  content: "";
  position: absolute;
  left: 10%;
  right: 10%;
  bottom: -8px;
  height: 28px;
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.46), transparent 74%);
  filter: blur(8px);
  box-shadow: none;
  pointer-events: none;
}

.page-academy .academy-desk::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% -8%, rgba(0, 255, 255, 0.10), transparent 34%),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03), transparent 18%, transparent 82%, rgba(255, 255, 255, 0.03));
}

.page-academy .academy-desk__empty {
  position: relative;
  z-index: 20;
  min-height: 276px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 10px;
  text-align: center;
}

.page-academy .academy-desk__empty-icon {
  font-size: 2.1rem;
  opacity: 0.85;
}

.page-academy .academy-desk__empty h3 {
  margin: 0;
}

.page-academy .academy-desk__empty p {
  max-width: 720px;
  margin: 0;
  color: rgba(208, 222, 238, 0.82);
}



.page-academy .academy-desk__lightcone {
  position: absolute;
  right: -36px;
  top: 10px;
  width: 240px;
  height: 250px;
  opacity: 0.90;
  background: linear-gradient(180deg, rgba(255, 233, 182, 0.16), rgba(255, 233, 182, 0.07) 28%, rgba(255, 233, 182, 0.015) 64%, transparent 100%);
  clip-path: polygon(58% 0, 74% 8%, 100% 100%, 16% 100%, 42% 10%);
  filter: blur(10px);
}

.page-academy .academy-desk.is-cinematic-wake .academy-desk__lamp-glow {
  animation: academyDeskLampPulse 1.8s ease-in-out 1;
}

@keyframes academyDeskLampPulse {
  0% { opacity: 0.54; transform: scale(0.96); }
  30% { opacity: 1; transform: scale(1.03); }
  100% { opacity: 0.92; transform: scale(1); }
}

/* ====================================================================== */
/* 06. FOCUS BOOK / READER / PAGES                                        */
/* ====================================================================== */

.page-academy .academy-focus-book {
  --academy-book-accent: rgba(0, 255, 255, 0.14);
  --academy-book-accent-strong: rgba(0, 255, 255, 0.26);
  position: relative;
  z-index: 3;
  max-width: 1120px;
  margin: 0 auto;
  perspective: 1800px;
  filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.58));
}

.page-academy .academy-focus-book[data-book-style="foundation"] {
  --academy-book-accent: rgba(0, 255, 255, 0.14);
  --academy-book-accent-strong: rgba(0, 255, 255, 0.28);
}

.page-academy .academy-focus-book[data-book-style="switching"] {
  --academy-book-accent: rgba(119, 155, 255, 0.14);
  --academy-book-accent-strong: rgba(119, 155, 255, 0.28);
}

.page-academy .academy-focus-book[data-book-style="routing"] {
  --academy-book-accent: rgba(125, 255, 214, 0.14);
  --academy-book-accent-strong: rgba(125, 255, 214, 0.28);
}

.page-academy .academy-focus-book[data-book-style="diagnostics"] {
  --academy-book-accent: rgba(255, 188, 84, 0.14);
  --academy-book-accent-strong: rgba(255, 188, 84, 0.28);
}

.page-academy .academy-focus-book.is-placing,
.page-academy .academy-focus-book.is-cinematic-in {
  animation: academyBookPlaceFinal 0.98s cubic-bezier(.18, .86, .20, 1) both;
}

.page-academy .academy-focus-book.is-putting-away,
.page-academy .academy-focus-book.is-cinematic-out {
  animation: academyBookPutAwayFinal 0.88s cubic-bezier(.22, .82, .24, 1) both;
}

@keyframes academyBookPlaceFinal {
  0% {
    opacity: 0;
    transform: translate3d(0, -120px, 0) scale(0.72) rotateX(22deg) rotateZ(-9deg);
    filter: blur(2px) saturate(0.9);
  }
  45% {
    opacity: 1;
    transform: translate3d(0, 8px, 0) scale(1.015) rotateX(6deg) rotateZ(1deg);
    filter: blur(0) saturate(1.02);
  }
  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1) rotateX(0deg) rotateZ(0deg);
    filter: blur(0) saturate(1);
  }
}

@keyframes academyBookPutAwayFinal {
  0% {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1) rotateX(0deg) rotateZ(0deg);
    filter: blur(0) saturate(1);
  }
  100% {
    opacity: 0;
    transform: translate3d(0, -110px, 0) scale(0.76) rotateX(18deg) rotateZ(-7deg);
    filter: blur(2px) saturate(0.9);
  }
}

.page-academy .academy-focus-book__cover,
.page-academy .academy-focus-book__reader {
  position: relative;
  overflow: hidden;
  border-radius: 26px;
  border: 1px solid var(--academy-book-accent);
  background:
    linear-gradient(180deg, rgba(11, 16, 24, 0.96), rgba(7, 11, 18, 0.985));
  box-shadow:
    0 36px 80px rgba(0, 0, 0, 0.50),
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 0 24px var(--academy-book-accent),
    0 0 0 1px rgba(255, 255, 255, 0.02);
}

.page-academy .academy-focus-book__cover::before,
.page-academy .academy-focus-book__reader::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(135deg, var(--academy-book-accent-strong), rgba(0, 255, 255, 0.00) 46%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.00) 16%);
}

.page-academy .academy-focus-book__cover::after,
.page-academy .academy-focus-book__reader::after {
  content: "";
  position: absolute;
  inset: auto 8% -18px 8%;
  height: 34px;
  pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.44), transparent 72%);
  filter: blur(9px);
}

.page-academy .academy-focus-book__cover {
  min-height: 280px;
  padding: 28px 28px 26px 42px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: end;
}

.page-academy .academy-focus-book__cover-spine {
  position: absolute;
  left: 12px;
  top: 12px;
  bottom: 12px;
  width: 12px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(0, 255, 255, 0.26), rgba(0, 255, 255, 0.06));
  box-shadow:
    inset 1px 0 0 rgba(255, 255, 255, 0.06),
    inset -1px 0 0 rgba(0, 0, 0, 0.22),
    0 0 20px var(--academy-book-accent-strong);
}

.page-academy .academy-focus-book__cover-content,
.page-academy .academy-focus-book__cover-actions {
  position: relative;
  z-index: 2;
}

.page-academy .academy-focus-book__eyebrow,
.page-academy .academy-sheet__eyebrow {
  position: relative;
  z-index: 2;
  display: inline-flex;
  width: fit-content;
  align-items: center;
  margin-bottom: 14px;
  padding: 7px 11px;
  border-radius: 999px;
  border: 1px solid rgba(0, 255, 255, 0.12);
  background: rgba(0, 255, 255, 0.06);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.page-academy .academy-focus-book__cover-content h3 {
  margin: 0 0 12px;
  max-width: 11ch;
  font-size: clamp(2rem, 1.4rem + 1vw, 3rem);
  line-height: 1.08;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.25);
}

.page-academy .academy-focus-book__cover-content p {
  max-width: 680px;
  margin: 0 0 16px;
  color: rgba(228, 238, 248, 0.93);
}

.page-academy .academy-focus-book__meta,
.page-academy .academy-sheet__meta {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: auto;
}

.page-academy .academy-focus-book__tag,
.page-academy .academy-sheet__tag {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 12px;
  font-weight: 700;
  color: rgba(225, 238, 248, 0.90);
}

.page-academy .academy-focus-book__status {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(191, 214, 230, 0.75);
}

.page-academy .academy-focus-book__cover-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.page-academy .academy-focus-book__btn,
.page-academy .academy-reader__nav {
  min-height: 40px;
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid rgba(0, 255, 255, 0.14);
  background: rgba(8, 14, 20, 0.84);
  color: rgba(232, 242, 252, 0.90);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition:
    transform .18s ease,
    background .18s ease,
    border-color .18s ease,
    opacity .18s ease;
}

.page-academy .academy-focus-book__btn:hover,
.page-academy .academy-focus-book__btn:focus-visible,
.page-academy .academy-reader__nav:hover,
.page-academy .academy-reader__nav:focus-visible {
  transform: translateY(-1px);
  background: rgba(0, 255, 255, 0.07);
  border-color: rgba(0, 255, 255, 0.20);
}

.page-academy .academy-focus-book__btn--ghost,
.page-academy .academy-reader__nav--ghost {
  background: rgba(255, 255, 255, 0.03);
}

.page-academy .academy-reader__nav:disabled {
  opacity: 0.42;
  cursor: default;
}

.page-academy .academy-focus-book__reader {
  min-height: 520px;
  padding: 22px;
}

.page-academy .academy-focus-book__reader.is-opening-reader {
  animation: academyReaderOpenFinal .92s cubic-bezier(.18, .88, .2, 1);
}

@keyframes academyReaderOpenFinal {
  0% {
    opacity: 0;
    transform: translateY(24px) rotateX(18deg) scale(0.975);
  }
  65% {
    opacity: 1;
    transform: translateY(-4px) rotateX(3deg) scale(1.006);
  }
  100% {
    opacity: 1;
    transform: translateY(0) rotateX(0deg) scale(1);
  }
}

.page-academy .academy-sheet-stack {
  position: relative;
  min-height: 456px;
  perspective: 3400px;
  transform-style: preserve-3d;
}

.page-academy .academy-sheet {
  position: absolute;
  inset: 0;
  z-index: 10;
  transform-style: preserve-3d;
  transform-origin: left center;
  will-change: transform;
  transition: transform 900ms cubic-bezier(.22, .82, .22, 1), z-index 0s linear .45s;
}

.page-academy .academy-sheet[data-sheet="2"] {
  z-index: 9;
}

.page-academy .academy-sheet.is-turned {
  transform: rotateY(-174deg);
}

.page-academy .academy-sheet__face {
  position: absolute;
  inset: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 24px 28px 84px 40px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(246, 242, 231, 0.995), rgba(232, 226, 212, 0.992));
  color: #202838;
  border: 1px solid rgba(160, 174, 188, 0.18);
  box-shadow:
    0 26px 56px rgba(0, 0, 0, 0.34),
    inset 0 1px 0 rgba(255, 255, 255, 0.68),
    inset -26px 0 32px rgba(0, 0, 0, 0.08);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.page-academy .academy-sheet__face--back {
  transform: rotateY(180deg);
  background: linear-gradient(180deg, rgba(242, 237, 225, 0.995), rgba(228, 221, 206, 0.992));
  box-shadow:
    0 24px 50px rgba(0, 0, 0, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.55),
    inset 22px 0 28px rgba(0, 0, 0, 0.08);
}

.page-academy .academy-sheet__face::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.26), rgba(255, 255, 255, 0.00) 38%),
    linear-gradient(180deg, rgba(255, 251, 242, 0.40), rgba(255, 255, 255, 0.00) 16%);
}

.page-academy .academy-sheet__face--back::before {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.00) 40%),
    linear-gradient(180deg, rgba(255, 250, 240, 0.24), rgba(255, 255, 255, 0.00) 16%);
}

.page-academy .academy-sheet__face::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 110px;
  height: 110px;
  background: linear-gradient(135deg, transparent 48%, rgba(255, 255, 255, 0.68) 49%, rgba(255, 255, 255, 0.22) 63%, rgba(145, 154, 168, 0.16) 76%, rgba(0, 0, 0, 0.20) 100%);
  clip-path: polygon(100% 0, 0 100%, 100% 100%);
}

.page-academy .academy-sheet__spine {
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 10px;
  width: 11px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(205, 192, 164, 0.74), rgba(155, 142, 118, 0.26));
  box-shadow:
    inset 1px 0 0 rgba(255, 255, 255, 0.52),
    inset -1px 0 0 rgba(0, 0, 0, 0.14),
    0 0 18px rgba(255, 244, 214, 0.12);
}

.page-academy .academy-sheet__paper-edge {
  position: absolute;
  top: 10px;
  right: 0;
  bottom: 10px;
  width: 12px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.76), rgba(226, 220, 203, 0.70));
  box-shadow:
    inset 1px 0 0 rgba(255, 255, 255, 0.90),
    inset -1px 0 0 rgba(120, 108, 84, 0.14);
}

.page-academy .academy-sheet h3 {
  position: relative;
  z-index: 2;
  max-width: 74%;
  margin: 0 0 12px;
  color: #172131;
  line-height: 1.1;
  font-size: clamp(1.7rem, 1.2rem + 1vw, 2.35rem);
}

.page-academy .academy-sheet p,
.page-academy .academy-sheet__list {
  position: relative;
  z-index: 2;
  max-width: 78%;
  margin: 0 0 16px;
  color: #313f52;
  line-height: 1.72;
  font-size: 1.03rem;
}

.page-academy .academy-sheet__list {
  padding-left: 20px;
}

.page-academy .academy-sheet__list li {
  margin-bottom: 10px;
}

.page-academy .academy-sheet__list li::marker {
  color: rgba(31, 126, 167, 0.86);
}

.page-academy .academy-sheet__placeholder {
  position: relative;
  z-index: 2;
  min-height: 130px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  border-radius: 16px;
  border: 1px dashed rgba(109, 127, 146, 0.26);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.52), rgba(255, 255, 255, 0.22)),
    repeating-linear-gradient(90deg, rgba(0, 0, 0, 0.015) 0, rgba(0, 0, 0, 0.015) 1px, transparent 1px, transparent 28px);
  color: rgba(54, 68, 86, 0.70);
  font-size: 1rem;
}

.page-academy .academy-sheet__tag {
  background: rgba(10, 24, 39, 0.06);
  border-color: rgba(92, 112, 130, 0.16);
  color: #263547;
}

.page-academy .academy-sheet__pagecount {
  color: rgba(70, 84, 102, 0.72);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.page-academy .academy-reader__controls {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 22px;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  pointer-events: none;
}

.page-academy .academy-reader__controls-left,
.page-academy .academy-reader__controls-right {
  display: flex;
  align-items: center;
  gap: 10px;
  pointer-events: auto;
}

.page-academy .academy-reader__corner {
  position: relative;
  width: 94px;
  height: 94px;
  border: 0;
  background: transparent;
  cursor: pointer;
  pointer-events: auto;
}

.page-academy .academy-reader__corner::before {
  content: "";
  position: absolute;
  right: 4px;
  bottom: 4px;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, transparent 49%, rgba(255, 255, 255, 0.72) 50%, rgba(255, 255, 255, 0.32) 64%, rgba(153, 166, 184, 0.18) 76%, rgba(0, 0, 0, 0.22) 100%);
  clip-path: polygon(100% 0, 0 100%, 100% 100%);
  filter: drop-shadow(-14px -12px 20px rgba(255, 221, 151, 0.10));
  transition: transform .22s ease, filter .22s ease;
}

.page-academy .academy-reader__corner:hover::before,
.page-academy .academy-reader__corner:focus-visible::before {
  transform: translate(-3px, -3px) scale(1.05);
}

.page-academy .academy-reader__corner[hidden] {
  display: none;
}

/* ====================================================================== */
/* 07. LABS CARDS                                                         */
/* ====================================================================== */

.page-labs .academy-chapters {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.page-labs .academy-book {
  position: relative;
  overflow: hidden;
  min-height: 230px;
  display: flex;
  flex-direction: column;
  padding: 22px 20px 18px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(17, 24, 34, 0.94), rgba(10, 14, 22, 0.98));
  border: 1px solid rgba(0, 255, 255, 0.14);
  box-shadow:
    0 18px 40px rgba(0, 0, 0, 0.32),
    inset 0 1px 0 rgba(255, 255, 255, 0.02);
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease,
    border-color 0.25s ease,
    background 0.25s ease;
}

.page-labs .academy-book::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.95;
  background:
    linear-gradient(135deg, rgba(0, 255, 255, 0.08), rgba(0, 255, 255, 0.00) 42%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.00) 18%);
}

.page-labs .academy-book::after {
  content: attr(data-chapter);
  position: absolute;
  right: 18px;
  top: 14px;
  font-size: 54px;
  font-weight: 800;
  line-height: 1;
  color: rgba(255, 255, 255, 0.045);
  letter-spacing: -0.04em;
  pointer-events: none;
}

.page-labs .academy-book:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 255, 255, 0.24);
  box-shadow:
    0 26px 56px rgba(0, 0, 0, 0.40),
    0 0 0 1px rgba(0, 255, 255, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.page-labs .academy-book__eyebrow {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin-bottom: 14px;
  padding: 7px 11px;
  border-radius: 999px;
  border: 1px solid rgba(0, 255, 255, 0.12);
  background: rgba(0, 255, 255, 0.06);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.92;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.page-labs .academy-book h3 {
  position: relative;
  z-index: 1;
  max-width: 82%;
  margin: 0 0 12px;
  line-height: 1.18;
}

.page-labs .academy-book p {
  position: relative;
  z-index: 1;
  max-width: 88%;
  margin: 0 0 16px;
  color: rgba(228, 238, 248, 0.93);
}

.page-labs .academy-book__footer {
  position: relative;
  z-index: 1;
  margin-top: auto;
}

.page-labs .academy-book__tag {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 12px;
  font-weight: 700;
  color: rgba(225, 238, 248, 0.90);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.page-labs .academy-labs__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 16px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  color: #06131a;
  background: linear-gradient(180deg, rgba(0, 255, 255, 0.92), rgba(0, 210, 255, 0.84));
  box-shadow:
    0 10px 24px rgba(0, 255, 255, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.35);
  transition:
    transform .18s ease,
    box-shadow .18s ease,
    filter .18s ease;
}

.page-labs .academy-labs__button:hover,
.page-labs .academy-labs__button:focus-visible {
  transform: translateY(-2px);
  box-shadow:
    0 16px 30px rgba(0, 255, 255, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.38);
  filter: brightness(1.03);
}

/* ====================================================================== */
/* 08. RESPONSIVE                                                         */
/* ====================================================================== */

@media (max-width: 1100px) {
  .page-academy .academy-hero__inner,
  .page-labs .academy-hero__inner {
    grid-template-columns: 1fr;
  }

  .page-academy .academy-hero__panel,
  .page-labs .academy-hero__panel {
    min-height: 180px;
  }
}

@media (max-width: 980px) {
  .page-academy .academy-legend__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-academy .academy-progress-summary__stats {
    grid-template-columns: 1fr;
  }

  .page-academy .academy-shelf__row {
    min-height: 178px;
    overflow-x: auto;
    padding-bottom: 18px;
  }

  .page-academy .academy-spine {
    flex: 0 0 auto;
  }

  .page-academy .academy-desk {
    overflow: hidden;
  }

  .page-academy .academy-desk__lamp {
    display: none;
  }
}

@media (max-width: 900px) {
  .page-academy .academy-focus-book__cover {
    grid-template-columns: 1fr;
  }

  .page-labs .academy-chapters {
    grid-template-columns: 1fr;
  }

  .page-labs .academy-book h3,
  .page-labs .academy-book p {
    max-width: 100%;
  }
}

@media (max-width: 640px) {
  .page-academy .academy-legend__grid {
    grid-template-columns: 1fr;
  }

  .page-academy .academy-shelf__row {
    min-height: 186px;
    padding-top: 14px;
    padding-bottom: 30px;
  }

  .page-academy .academy-progress-summary__item,
  .page-academy .academy-legend__item {
    min-height: 58px;
  }
}

/* ###################################################################### */
/* ######################## BEGIN DESK CLEAN PATCH ####################### */
/* ###################################################################### */

.page-academy .academy-desk__lamp,
.page-academy .academy-desk__lamp-base,
.page-academy .academy-desk__lamp-pole,
.page-academy .academy-desk__lamp-arm,
.page-academy .academy-desk__lamp-head,
.page-academy .academy-desk__lamp-glow,
.page-academy .academy-desk__lightcone {
  display: none !important;
}

.page-academy .academy-desk {
  min-height: 320px;
  padding: 34px 24px 28px;
}

.page-academy .academy-desk__empty {
  min-height: 210px;
}

.page-academy .academy-focus-book {
  margin-top: 18px;
}

/* ###################################################################### */
/* ######################### END DESK CLEAN PATCH ######################## */
/* ###################################################################### */

/* ###################################################################### */
/* ######################### END ACADEMY FINAL CSS ####################### */
/* ###################################################################### */