/* ================================================
   ZAKARIYA MULA-HUSSAIN — SOLAR SYSTEM PORTFOLIO
   Three.js · Cinematic · Interactive
   ================================================ */

/* ---------- RESET & BASE ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}



:root {
  --bg: #030305;
  --fg: #f0f0f0;
  --fg-dim: #888;
  --accent: #ffffff;
  --border: rgba(255, 255, 255, 0.08);
  --glow: rgba(255, 255, 255, 0.04);
  --panel-bg: rgba(5, 5, 10, 0.75);
  --radius: 16px;
  --font-body: 'Outfit', system-ui, sans-serif;
  --font-mono: 'Space Mono', monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

html {
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--fg);
  overflow: hidden;
  /* Hide scrollbars, Three.js canvas takes full screen */
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a,
button {
  color: inherit;
  text-decoration: none;
  outline: none;
  border: none;
  background: none;
}

::selection {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

/* Custom Scrollbar for panels */
::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
}

/* ---------- MODE TOGGLE BUTTON ---------- */
#mode-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  padding: 0.6rem 1.2rem;
  border-radius: 50px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  pointer-events: auto;
}
#mode-toggle:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}
#mode-toggle.hidden {
  display: none !important;
}

body.normal-mode #mode-toggle {
  background: #18181b;
  border-color: #3f3f46;
}
body.normal-mode #mode-toggle:hover {
  background: #27272a;
}

#normal-header.hidden {
  display: none;
}

/* ---------- CUSTOM CURSOR ---------- */
body.interactive-mode,
body.interactive-mode * {
  cursor: none !important;
}

body.interactive-mode.zoom-native-cursor,
body.interactive-mode.zoom-native-cursor * {
  cursor: auto !important;
}

body.interactive-mode.zoom-native-cursor a,
body.interactive-mode.zoom-native-cursor button {
  cursor: pointer !important;
}

#cursor-dot,
#cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  display: none;
  /* Hidden by default */
}

body.interactive-mode #cursor-dot,
body.interactive-mode #cursor-ring {
  display: block;
  /* Shown only in Interactive Mode */
}

body.interactive-mode.zoom-native-cursor #cursor-dot,
body.interactive-mode.zoom-native-cursor #cursor-ring {
  display: none;
}

#cursor-dot {
  width: 6px;
  height: 6px;
  background: #fff;
  transition: opacity 0.3s;
}

#cursor-ring {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  transition: width 0.3s var(--ease), height 0.3s var(--ease), border-color 0.3s;
  will-change: transform;
}

body.hovering #cursor-ring {
  width: 60px;
  height: 60px;
  border-color: rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.05);
}

/* ---------- LOADING SCREEN ---------- */
#loader {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 1s var(--ease), visibility 1s;
}

#loader.fade-out {
  opacity: 0;
  visibility: hidden;
}

.loader-inner {
  text-align: center;
  max-width: 400px;
  width: 80%;
}

.loader-orbit {
  width: 80px;
  height: 80px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  margin: 0 auto 2rem;
  position: relative;
  animation: spin 3s linear infinite;
}

.loader-planet {
  position: absolute;
  top: -5px;
  left: 50%;
  transform: translateX(-50%);
  width: 10px;
  height: 10px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 0 10px #fff;
}

@keyframes spin {
  100% {
    transform: rotate(360deg);
  }
}

.loader-title {
  font-family: var(--font-mono);
  font-size: 1rem;
  letter-spacing: 4px;
  margin-bottom: 0.5rem;
}

.loader-sub {
  font-size: 0.85rem;
  color: var(--fg-dim);
  margin-bottom: 2rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.loader-bar-track {
  width: 100%;
  height: 2px;
  background: rgba(255, 255, 255, 0.1);
  margin-bottom: 1rem;
  position: relative;
  overflow: hidden;
}

.loader-bar-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: #fff;
  transition: width 0.2s ease-out;
}

.loader-percent {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--fg-dim);
}

/* ---------- THREE.JS CANVAS ---------- */
#solar-system {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
}

/* ---------- NAVBAR ---------- */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: 2rem 3rem;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  pointer-events: none;
  /* Let clicks pass through empty areas */
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 4px;
  pointer-events: auto;
  transition: opacity 0.3s;
}

.nav-logo:hover {
  opacity: 0.7;
}

.nav-links {
  display: flex;
  gap: 2rem;
  pointer-events: auto;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.6;
  transition: opacity 0.3s, transform 0.3s;
}

.nav-link:hover,
.nav-link.active {
  opacity: 1;
}

.nav-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--dot-color, #fff);
  display: inline-block;
  box-shadow: 0 0 8px var(--dot-color, #fff);
  transition: transform 0.3s;
}

.nav-link:hover .nav-dot {
  transform: scale(1.5);
}

#nav-toggle {
  display: none;
  pointer-events: auto;
}

/* ---------- HUD OVERLAY ---------- */
#hud {
  position: fixed;
  bottom: 2rem;
  left: 3rem;
  right: 3rem;
  display: flex;
  justify-content: space-between;
  z-index: 90;
  pointer-events: none;
  font-family: var(--font-mono);
  mix-blend-mode: difference;
}

.hud-left,
.hud-right {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.hud-right {
  text-align: right;
}

.hud-label {
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 2px;
}

.hud-value {
  font-size: 0.85rem;
  letter-spacing: 1px;
}

/* ---------- PLANET LABELS (3D Projected) ---------- */
#planet-labels {
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
}

.planet-label {
  position: absolute;
  transform: translate(-50%, -50%);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.8);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
  opacity: 0;
  transition: opacity 0.3s, transform 0.3s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.planet-label.visible {
  opacity: 1;
}

.planet-label.hidden-behind {
  opacity: 0 !important;
}

.label-line {
  width: 1px;
  height: 20px;
  background: rgba(255, 255, 255, 0.5);
}

.label-text {
  background: rgba(0, 0, 0, 0.4);
  padding: 4px 8px;
  border-radius: 4px;
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ---------- BACK BUTTON ---------- */
#back-btn {
  position: fixed;
  top: 2rem;
  left: 3rem;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 0.75rem 1.25rem;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50px;
  backdrop-filter: blur(10px);
  pointer-events: auto;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.4s, transform 0.4s, background 0.3s;
}

#back-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

#back-btn.hidden {
  opacity: 0;
  transform: translateY(-20px);
  pointer-events: none;
}

/* ---------- CONTENT PANELS ---------- */
.content-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 600px;
  background: var(--panel-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-left: 1px solid rgba(255, 255, 255, 0.05);
  z-index: 150;
  transform: translateX(100%);
  transition: transform 0.8s var(--ease-out-expo);
  pointer-events: none;
  /* Only enable when active */
}

.content-panel.active {
  transform: translateX(0);
  pointer-events: auto;
}

.panel-scroll {
  height: 100%;
  overflow-y: auto;
  padding: 6rem 3rem 4rem;
}

.panel-header {
  margin-bottom: 3rem;
}

.panel-num {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--fg-dim);
  display: block;
  margin-bottom: 0.5rem;
}

.panel-header h2 {
  font-size: 2.5rem;
  font-weight: 300;
  letter-spacing: -1px;
}

.panel-line {
  width: 40px;
  height: 2px;
  background: #fff;
  margin-top: 1.5rem;
}

#contact-content .panel-line {
  margin-bottom: 2rem;
}

/* Panel Typography & Elements */
.panel-body h3 {
  font-size: 1.25rem;
  font-weight: 400;
  margin: 2rem 0 1rem;
  letter-spacing: 1px;
  color: #fff;
}

/* Earth: About */
.about-lead {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  color: #fff;
  font-weight: 300;
  line-height: 1.5;
}

.about-lead strong {
  font-weight: 600;
}

.panel-body p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1.5rem;
}

.about-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 3rem 0;
}

.about-stat {
  background: rgba(255, 255, 255, 0.03);
  padding: 1.5rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  text-align: center;
}

.about-stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 2rem;
  margin-bottom: 0.25rem;
}

.about-stat-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--fg-dim);
}

.lang-tags {
  display: flex;
  gap: 1rem;
}

.lang-tag {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 0.9rem;
}

.lang-tag small {
  color: var(--fg-dim);
}

.award-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.award-item {
  display: flex;
  gap: 1rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 12px;
}

.award-icon {
  font-size: 1.5rem;
}

.award-item p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--fg-dim);
}

/* Mars: Experience */
.exp-timeline {
  position: relative;
  padding-left: 2rem;
}

.exp-timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--border);
}

.exp-card {
  position: relative;
  margin-bottom: 3rem;
}

.exp-dot {
  position: absolute;
  left: -2.35rem;
  top: 0.25rem;
  width: 12px;
  height: 12px;
  background: #e87040;
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(232, 112, 64, 0.5);
}

.exp-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--fg-dim);
}

.exp-card h3 {
  margin: 0.5rem 0 0.25rem;
  font-size: 1.3rem;
}

.exp-card h4 {
  font-weight: 300;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 1rem;
  font-size: 1rem;
}

.exp-card ul {
  padding-left: 1.2rem;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.exp-card li {
  margin-bottom: 0.5rem;
}

.exp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.exp-tags span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.2rem 0.6rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  color: #ccc;
}

/* Jupiter: Projects */
.projects-grid,
.projects-showcase {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.proj-card {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.proj-img {
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  background: #111;
  aspect-ratio: 16/9;
  position: relative;
}

.proj-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.8;
  transition: opacity 0.3s, transform 0.5s;
}

.proj-card:hover .proj-img img {
  opacity: 1;
  transform: scale(1.03);
}

.proj-info h3 {
  margin: 0 0 0.5rem;
}

.proj-info p {
  font-size: 0.95rem;
}

.proj-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.proj-tags span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.2rem 0.6rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50px;
  color: #ccc;
}

/* Saturn: Skills */
.skill-category {
  margin-bottom: 3rem;
}

.skill-cat-icon {
  margin-right: 0.5rem;
  opacity: 0.8;
}

.skill-bars {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.skill-bar-item {
  width: 100%;
}

.skill-name {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
}

.skill-bar {
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
}

.skill-fill {
  height: 100%;
  background: #e8d5a0;
  width: 0;
  transition: width 1s var(--ease-out-expo);
  box-shadow: 0 0 10px rgba(232, 213, 160, 0.5);
}

.content-panel.active .skill-fill {
  width: var(--level, 0%);
}

.skill-tags-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.skill-chip {
  padding: 0.6rem 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  font-size: 0.9rem;
  background: rgba(255, 255, 255, 0.02);
  transition: background 0.3s;
}

.skill-chip:hover {
  background: rgba(255, 255, 255, 0.1);
}

.skills-sections {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.skills-group h3 {
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

#skills-content > h2 {
  font-weight: 400;
  margin-bottom: 1.6rem;
}

.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.skill-tag {
  padding: 0.6rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.82);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  background: rgba(255, 255, 255, 0.03);
}

.cert-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.cert-item {
  padding: 0.75rem 1rem;
  border-left: 2px solid #fff;
  background: rgba(255, 255, 255, 0.03);
  font-size: 0.9rem;
}

/* Neptune: Contact */
.contact-body {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.contact-lead {
  font-size: 1.1rem;
  margin-bottom: 3rem;
  line-height: 1.8;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
  max-width: 300px;
  margin-bottom: 3rem;
}

.contact-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem;
  border-radius: 50px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  transition: transform 0.3s, background 0.3s;
}

.contact-btn.primary {
  background: #fff;
  color: #000;
}

.contact-btn.primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(255, 255, 255, 0.2);
}

.contact-btn.secondary {
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.contact-btn.secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-3px);
}

.contact-social {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.social-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1.5rem;
  width: 120px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.02);
  transition: background 0.3s, border-color 0.3s;
}

.social-card span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.social-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.3);
}

.contact-resume {
  padding: 2rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 12px;
  border: 1px dashed rgba(255, 255, 255, 0.2);
  width: 100%;
}

/* ---------- INSTRUCTIONS OVERLAY ---------- */
#instructions {
  position: fixed;
  bottom: 6rem;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  padding: 1rem 2rem;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  gap: 2rem;
  pointer-events: none;
  z-index: 80;
  opacity: 1;
  transition: opacity 1s;
}

#instructions.hidden {
  opacity: 0;
}

.instr-content {
  display: flex;
  gap: 2rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
}

.instr-content strong {
  color: #fff;
}

/* ---------- LINKS (Exp & Proj) ---------- */
.exp-link {
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.3s;
}

.exp-link:hover {
  opacity: 0.7;
  text-decoration: underline;
}

.proj-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 1px;
  color: var(--fg-dim);
  transition: color 0.3s, letter-spacing 0.3s;
  display: inline-block;
}

.proj-link:hover {
  color: #fff;
  letter-spacing: 2px;
}

/* ---------- ZOOM FADE OVERLAY ---------- */
#game-modal {
  position: fixed;
  inset: 0;
  z-index: 100001;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(6px, 1vw, 12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

#game-modal:not(.hidden) {
  opacity: 1;
  pointer-events: auto;
}

.game-modal-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 42%, rgba(255, 214, 94, 0.14), transparent 32%),
    rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(12px);
}

.game-modal-shell {
  position: relative;
  width: calc(100vw - clamp(12px, 2vw, 24px));
  height: calc(100vh - clamp(12px, 2vw, 24px));
  background: #050507;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.7), 0 0 50px rgba(99, 255, 128, 0.08);
  overflow: hidden;
  transform: translateY(16px) scale(0.985);
  transition: transform 0.35s var(--ease-out-expo);
}

#game-modal:not(.hidden) .game-modal-shell {
  transform: translateY(0) scale(1);
}

#game-modal-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 4;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 1.2rem;
  font-family: var(--font-mono);
  line-height: 1;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}

#game-modal-close:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: scale(1.05);
}

.game-frame-wrap {
  position: relative;
  width: 100%;
  height: 100%;
  background: #050507;
  overflow: hidden;
}

#game-frame {
  width: 100%;
  height: 100%;
  display: block;
  border: 0;
  background: #000;
  overflow: hidden;
}

.game-cover {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  place-items: center;
  background: #050507;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.game-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, transparent 42%, rgba(0, 0, 0, 0.58) 100%);
  pointer-events: none;
}

.game-cover img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #050507;
}

#game-play-btn {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 3;
  transform: translate(-50%, -50%);
  min-width: 150px;
  min-height: 58px;
  padding: 1rem 2.35rem;
  border-radius: 999px;
  background: linear-gradient(180deg, #44d76d 0%, #15983b 100%);
  border: 1px solid rgba(208, 255, 218, 0.72);
  color: #031207;
  box-shadow: 0 16px 36px rgba(20, 200, 75, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.45);
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

#game-play-btn:hover {
  transform: translate(-50%, -52%) scale(1.04);
  box-shadow: 0 20px 42px rgba(20, 200, 75, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.5);
  filter: brightness(1.04);
}

#game-play-btn:active {
  transform: translate(-50%, -49%) scale(0.99);
}

.game-controls-card {
  position: absolute;
  left: max(1rem, 3vw);
  right: max(1rem, 3vw);
  bottom: max(1rem, 3vh);
  z-index: 3;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.8rem;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(8px);
}

.game-controls-card span,
.game-loading-controls span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.09);
  color: rgba(255, 255, 255, 0.86);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0;
  white-space: nowrap;
}

.game-loading {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: grid;
  place-items: center;
  padding: 2rem;
  background:
    radial-gradient(circle at 50% 35%, rgba(68, 215, 109, 0.16), transparent 34%),
    rgba(0, 0, 0, 0.88);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.game-loading-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
  max-width: min(760px, 90vw);
  text-align: center;
}

.game-loading-ring {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.14);
  border-top-color: #44d76d;
  animation: spin 0.9s linear infinite;
}

.game-loading p {
  max-width: 680px;
  color: #fff;
  font-family: var(--font-body);
  font-size: clamp(1.35rem, 3vw, 2.35rem);
  font-weight: 700;
  line-height: 1.15;
}

.game-loading-controls {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
}

#game-modal.is-loading .game-cover {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

#game-modal.is-loading .game-loading {
  opacity: 1;
  visibility: visible;
}

#game-modal.is-playing .game-cover {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

#game-modal.is-playing .game-loading {
  opacity: 0;
  visibility: hidden;
}

body.game-modal-open #cursor-dot,
body.game-modal-open #cursor-ring {
  display: none;
}

body.interactive-mode.game-modal-open,
body.interactive-mode.game-modal-open * {
  cursor: auto !important;
}

body.interactive-mode.game-modal-open button {
  cursor: pointer !important;
}

#zoom-fade {
  position: fixed;
  inset: 0;
  background: black;
  z-index: 10000;
  pointer-events: none;
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease-out;
}

.zoom-content {
  text-align: center;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1s ease-out, transform 1s ease-out;
}

.zoom-title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  color: #fff;
  margin-bottom: 1rem;
}

.zoom-subtitle {
  font-family: var(--font-mono);
  color: var(--fg-dim);
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
}

.zoom-links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
}

.zoom-btn {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding: 1rem 2rem;
  border-radius: 50px;
  background: #fff;
  color: #000;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.zoom-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(255, 255, 255, 0.2);
}

.zoom-btn.outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.zoom-btn.outline:hover {
  background: rgba(255, 255, 255, 0.1);
}

#zoom-fade.visible {
  pointer-events: auto;
}

#zoom-fade.visible .zoom-content {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- FOOTER ---------- */
#footer {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  text-align: center;
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
  z-index: 1000;
  pointer-events: none;
  transition: opacity 0.5s ease;
}

/* ==========================================================================
   MODE SELECTOR
   ========================================================================== */
#mode-selector {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease;
}

.mode-content {
  text-align: center;
  max-width: 600px;
  padding: 2rem;
}

.mode-content h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.mode-content p {
  color: var(--fg-dim);
  margin-bottom: 2rem;
}

.mode-btns {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 2rem;
}

.mode-btn {
  padding: 1rem 2rem;
  background: #fff;
  color: #000;
  border: none;
  border-radius: 5px;
  font-family: var(--font-mono);
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s;
}

.mode-btn:hover {
  transform: translateY(-2px);
}

.mode-btn.outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.mode-btn.outline:hover {
  background: rgba(255, 255, 255, 0.1);
}

.mode-hint {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
}

/* ==========================================================================
   NORMAL MODE STYLES (Resume-Like Flat Dark Theme)
   ========================================================================== */
body.normal-mode {
  overflow-y: auto !important;
  background: #0d0d0f !important;
  color: #d4d4d8;
  font-family: 'Inter', system-ui, sans-serif;
  line-height: 1.6;
}

body.normal-mode #solar-system,
body.normal-mode #planet-labels,
body.normal-mode #hud,
body.normal-mode #instructions,
body.normal-mode #back-btn,
body.normal-mode #zoom-fade {
  display: none !important;
}

body.normal-mode #navbar {
  display: flex !important;
  background: transparent;
  border: none;
  pointer-events: auto;
}

body.normal-mode .nav-links {
  display: none !important;
}

/* Premium Header */
body.normal-mode #normal-header {
  display: block !important;
  max-width: 900px;
  margin: 0 auto 4rem;
  padding: 6rem 2rem 4rem;
  border-bottom: 1px solid #27272a;
  text-align: left;
  background: transparent;
}
body.normal-mode #normal-header h1 {
  font-family: var(--font-body);
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 800;
  margin-bottom: 0.5rem;
  color: #ffffff;
  letter-spacing: -1px;
}
body.normal-mode #normal-header p {
  color: #a1a1aa;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
}

.school-line {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.school-logo {
  width: 1.15em;
  height: 1.15em;
  object-fit: contain;
  vertical-align: -0.18em;
}
body.normal-mode #normal-header .header-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
body.normal-mode #normal-header a {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  background: #18181b;
  border: 1px solid #3f3f46;
  border-radius: 50px;
  color: #e4e4e7;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-decoration: none;
  transition: all 0.3s ease;
}
body.normal-mode #normal-header a:hover {
  background: #e4e4e7;
  color: #000;
  border-color: #e4e4e7;
  transform: translateY(-2px);
}

/* Fix Zero-Height Collapse & Structure */
body.normal-mode .content-panel {
  position: static;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  transform: none !important;
  opacity: 1 !important;
  pointer-events: auto;
  border: none;
  background: transparent;
  padding: 0 2rem;
  height: auto;
  overflow: visible;
}
body.normal-mode .panel-scroll {
  height: auto;
  overflow: visible;
  padding: 0;
}
body.normal-mode .panel-container {
  margin-bottom: 5rem;
}
body.normal-mode .panel-content {
  padding: 0;
  background: transparent;
  border: none;
  backdrop-filter: none;
  box-shadow: none;
}
body.normal-mode .panel-header {
  display: none; /* Hide default floating headers */
}

/* Section Headings */
body.normal-mode .panel-content h2 {
  font-family: var(--font-body);
  font-size: 2.5rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 2rem;
  display: inline-block;
  position: relative;
  border: none;
  padding: 0;
}
body.normal-mode .panel-content h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 40px;
  height: 4px;
  background: var(--accent);
  border-radius: 2px;
}
body.normal-mode .panel-line {
  display: none;
}

/* Text and Body */
body.normal-mode .panel-body {
  color: #a1a1aa;
  font-size: 1.1rem;
}
body.normal-mode .panel-body p {
  margin-bottom: 1.5rem;
}

/* Premium Cards (Experiences & Projects) */
body.normal-mode .exp-card,
body.normal-mode .proj-card {
  background: #18181b;
  border: 1px solid #27272a;
  border-radius: 16px;
  padding: 2rem;
  margin-bottom: 2rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
body.normal-mode .exp-card:hover,
body.normal-mode .proj-card:hover {
  transform: translateY(-4px);
  border-color: #3f3f46;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}
body.normal-mode .exp-timeline::before {
  left: 10px;
  background: #27272a;
}
body.normal-mode .exp-dot {
  left: -2rem; /* Adjusted for card padding */
  top: 2.2rem;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(255,255,255,0.3);
  border: 3px solid #0d0d0f;
}
body.normal-mode .exp-date {
  color: #71717a;
  margin-bottom: 0.5rem;
  display: block;
}
body.normal-mode .exp-logo {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background: #ffffff;
  padding: 4px;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
}
.exp-logo {
  width: 40px;
  height: 40px;
  border-radius: 6px;
  background: #ffffff;
  padding: 2px;
  flex-shrink: 0;
}
.exp-logo.placeholder-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #27272a;
  color: #fff;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.2rem;
  padding: 0;
  border: 1px solid #3f3f46;
}
body.normal-mode .exp-card h3,
body.normal-mode .proj-card h3 {
  color: #f4f4f5;
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}
body.normal-mode .exp-card h4 {
  color: #a1a1aa;
  font-weight: 400;
  margin-bottom: 1.5rem;
}

/* Projects Image */
body.normal-mode .proj-img {
  border-radius: 8px;
  margin-bottom: 1.5rem;
}

/* Skills */
body.normal-mode .skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
body.normal-mode .skill-tag {
  background: #18181b;
  border: 1px solid #27272a;
  padding: 0.75rem 1.2rem;
  border-radius: 8px;
  color: #d4d4d8;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  transition: all 0.3s ease;
}
body.normal-mode .skill-tag:hover {
  border-color: #52525b;
  color: #fff;
  background: #27272a;
}

/* Links */
body.normal-mode .exp-link {
  color: #fff;
  display: inline-block;
  margin-top: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.3);
  padding-bottom: 2px;
}
body.normal-mode .exp-link:hover {
  border-color: #fff;
  text-decoration: none;
}
body.normal-mode .proj-link:hover {
  background: rgba(255,255,255,0.2) !important;
}

/* Footer */
body.normal-mode #footer {
  position: static;
  margin-top: 6rem;
  padding: 4rem 2rem;
  border-top: 1px solid #27272a;
  background: #09090b;
}

/* ==========================================================================
   DETAIL MODAL & CAROUSEL
   ========================================================================== */
#detail-modal {
  position: fixed;
  inset: 0;
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

#detail-modal:not(.hidden) {
  opacity: 1;
  pointer-events: auto;
}

.modal-bg {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
}

.modal-content {
  position: relative;
  width: 90%;
  max-width: 800px;
  max-height: 90vh;
  background: #111;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 2rem;
  overflow-y: auto;
}

#modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  z-index: 10;
}

.carousel {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
  margin-bottom: 2rem;
  border-radius: 5px;
  overflow: hidden;
}

.carousel-inner {
  display: flex;
  height: 100%;
  transition: transform 0.5s ease;
}

.carousel-inner img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  flex-shrink: 0;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.5);
  color: white;
  border: none;
  padding: 1rem;
  cursor: pointer;
  z-index: 5;
}

.carousel-btn.prev {
  left: 0;
}

.carousel-btn.next {
  right: 0;
}

.modal-body h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.modal-body .tags {
  margin-bottom: 1.5rem;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.modal-body p {
  color: var(--fg-dim);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.modal-link {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.8rem 1.5rem;
  background: #fff;
  color: #000;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  border-radius: 4px;
}

#footer.hidden {
  opacity: 0;
}

#footer p {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.3);
  letter-spacing: 1px;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 768px) {
  #navbar {
    padding: 1.5rem;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 250px;
    background: rgba(0, 0, 0, 0.9);
    flex-direction: column;
    padding: 6rem 2rem;
    transform: translateX(100%);
    transition: transform 0.4s var(--ease);
  }

  .nav-links.open {
    transform: translateX(0);
  }

  #nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    z-index: 101;
  }

  #nav-toggle span {
    width: 24px;
    height: 2px;
    background: #fff;
    transition: 0.3s;
  }

  #nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  #nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  #nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  #hud {
    bottom: 1.5rem;
    left: 1.5rem;
    right: 1.5rem;
  }

  #instructions {
    display: none;
  }

  .content-panel {
    max-width: 100%;
  }

  .panel-scroll {
    padding: 5rem 1.5rem 3rem;
  }

  .about-stats-grid {
    grid-template-columns: 1fr;
  }

  #back-btn {
    top: 1.5rem;
    left: 1.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.7rem;
  }
}