:root {
  --aero-blue: #00bfff;
  --aero-green: #00ff7f;
  --aero-aqua: #7fffd4;
  --aero-white: rgba(255,255,255,0.95); /* Increased opacity for brighter feel */
  --y2k-cyan: #00ffff;
  --y2k-purple: #9370db;
  --y2k-magenta: #ff00ff;
  --y2k-lime: #39ff14;
  --y2k-hotpink: #ff1493;
  --y2k-yellow: #ffff00; /* Added warm neon yellow for brighter vibe */
  --y2k-orange: #ff4500; /* Added warm orange for variety */
  --medieval-dark: #2c1a0e;
  --medieval-gold: #d4af37;
  --medieval-red: #8b0000;
  --header-height: 140px;

  --glow-soft: 0 0 8px rgba(0, 255, 255, 0.6), 0 0 16px rgba(127, 255, 212, 0.4), 0 0 24px rgba(0, 255, 127, 0.3); /* Softer, more aero-dreamy glow */
  --glow-med: 0 0 12px rgba(0, 255, 255, 0.7), 0 0 24px rgba(147, 112, 219, 0.5), 0 0 32px rgba(0, 255, 127, 0.4); /* Toned down intensity */
  --glow-strong: 0 0 16px rgba(0, 255, 255, 0.8), 0 0 32px rgba(57, 255, 20, 0.6), 0 0 48px rgba(255, 255, 0, 0.4); /* Dreamy, less aggressive */

  --glass-bg: rgba(255,255,255,0.2); /* Higher transparency for dreamier glass */
  --glass-blur: blur(15px); /* Softer blur for aero feel */
  --dropdown-bg: rgba(0, 0, 0, 0.6); /* Darker background for dropdown */
}

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

html, body {
  min-height: 100vh;
  background: radial-gradient(circle, #003366 0%, #000033 50%, #003366 100%); /* Brighter blue radial for futuristic depth */
  color: #fff;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  overflow-x: hidden;
  animation: bgPulse 20s ease-in-out infinite; /* Slower pulse for dreamcore vibe */
}

@keyframes bgPulse {
  0% { background-position: center; opacity: 1; }
  50% { opacity: 0.85; }
  100% { opacity: 1; }
}

::-webkit-scrollbar {
  width: 0px;
  background: transparent; 
}

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

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

::-webkit-scrollbar-thumb:hover {
  background: transparent;
}

html {
  scrollbar-width: none;
  scrollbar-color: transparent transparent; 
}

#noise,
#particles,
#starsContainer {
  position: fixed;
  inset: 0;
  height: 100vh;
  pointer-events: none;
  transition: filter 1s ease-out, opacity 1s ease;
  filter: blur(2px); /* Softer base blur for dreaminess */
}

#three-container { z-index: 1; background: radial-gradient(circle, rgba(0,255,255,0.15), transparent 70%); } /* Subtler radial glow */
#noise, #particles, #starsContainer {
  z-index: 2;
  opacity: 0.3; /* Slightly higher for ethereal feel */
  mix-blend-mode: screen; /* Screen blend for vibrant overlay */
}

html.scrolled #three-container,
html.scrolled #noise,
html.scrolled #particles,
html.scrolled #starsContainer {
  filter: blur(4px);
  opacity: 0.35;
}

.glitch {
  position: relative;
  animation: glitchAnim 4s infinite linear alternate-reverse; /* Slower glitch for dreamy effect */
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: transparent;
  clip: rect(0, 900px, 0, 0);
  filter: blur(0.3px); /* Softer glitch blur */
}

.glitch::before {
  left: 1px;
  text-shadow: -1px 0 rgba(147, 112, 219, 0.6);
  animation: glitchAnimBefore 5s infinite linear alternate-reverse;
}

.glitch::after {
  left: -1px;
  text-shadow: -1px 0 rgba(0, 255, 255, 0.6), 1px 1px rgba(255, 0, 255, 0.5);
  animation: glitchAnimAfter 4s infinite linear alternate-reverse;
}

@keyframes glitchAnim {
  0% { transform: translate(0); }
  20% { transform: translate(-0.5px, 0.5px); }
  40% { transform: translate(-0.5px, -0.5px); }
  60% { transform: translate(0.5px, 0.5px); }
  80% { transform: translate(0.5px, -0.5px); }
  100% { transform: translate(0); }
}

@keyframes glitchAnimBefore {
  0% { clip: rect(36px, 9999px, 9px, 0); }
  5% { clip: rect(25px, 9999px, 29px, 0); }
  10% { clip: rect(85px, 9999px, 95px, 0); }
  100% { clip: rect(12px, 9999px, 43px, 0); }
}

@keyframes glitchAnimAfter {
  0% { clip: rect(65px, 9999px, 119px, 0); }
  5% { clip: rect(78px, 9999px, 111px, 0); }
  100% { clip: rect(67px, 9999px, 53px, 0); }
}

.scanlines {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(to bottom, transparent, rgba(255,255,255,0.02) 1px); /* Even subtler for dreamy background */
  pointer-events: none;
  animation: scanlineMove 6s linear infinite;
  opacity: 0.4;
  mix-blend-mode: overlay;
}

@keyframes scanlineMove {
  0% { background-position: 0 0; }
  100% { background-position: 0 2px; }
}

.glitch-overlay {
  position: absolute;
  inset: 0;
  mix-blend-mode: screen;
  pointer-events: none;
  opacity: 0.05;
  animation: glitchOverlay 3s infinite;
}

@keyframes glitchOverlay {
  0%, 100% { opacity: 0; }
  50% { opacity: 0.05; }
}

.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: none; /* No hard borders */
  border-radius: 24px; /* Smoother corners for aero */
  box-shadow: 0 8px 40px rgba(0,0,0,0.08); /* Softer shadow */
}

.aero-glow {
  text-shadow: var(--glow-soft);
  animation: aeroPulse 3s ease-in-out infinite alternate; /* Slower for dreamcore */
}

@keyframes aeroPulse {
  from {
    text-shadow: 0 0 4px rgba(0, 255, 255, 0.5), 0 0 8px rgba(147, 112, 219, 0.4), 0 0 12px rgba(127, 255, 212, 0.3);
  }
  to {
    text-shadow: 0 0 8px rgba(255, 0, 255, 0.5), 0 0 16px rgba(0, 255, 255, 0.4), 0 0 24px rgba(255, 20, 147, 0.3), 0 0 32px rgba(255, 255, 0, 0.2);
  }
}

#overlay {
  position: relative;
  min-height: 100vh;
  z-index: 10;
  pointer-events: none;
}

#not-auth {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9998;
  flex-direction: column;
  gap: 1.5rem;
  text-align: center;
  backdrop-filter: var(--glass-blur);
}

#not-auth h2 {
  color: var(--aero-blue);
  font-size: 1.8rem;
  text-shadow: var(--glow-soft);
}

#not-auth p {
  color: rgba(255,255,255,0.7);
  margin-bottom: 1rem;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem;
  position: relative;
  z-index: 15;
  pointer-events: auto;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3rem;
  padding: 1rem 2rem;
  pointer-events: auto;
  z-index: 20;
  border-bottom: none;
  border-radius: 24px;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  background: linear-gradient(90deg, var(--y2k-cyan), var(--y2k-purple), var(--aero-aqua), var(--y2k-lime)); /* Toned down colors for aero-dream */
  background-size: 200% 100%; /* Smoother animation */
  animation: gradientFlow 8s linear infinite;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: var(--glow-med);
}

@keyframes gradientFlow {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

header nav {
  display: flex;
  gap: 1.5rem;
}

header a {
  color: var(--aero-white);
  text-decoration: none;
  position: relative;
  transition: color 0.4s ease, transform 0.4s ease;
  padding: 8px 16px;
  border-radius: 24px;
}

header a:hover {
  color: var(--aero-aqua);
  background: rgba(127,255,212,0.1); /* Softer hover */
  transform: translateY(-2px);
  box-shadow: var(--glow-med);
  animation: glitchAnim 0.4s steps(5) infinite;
}

.logout-btn {
  padding: 8px 16px;
  background: linear-gradient(90deg, var(--aero-blue), var(--aero-green));
  border: none;
  border-radius: 24px;
  color: white;
  cursor: pointer;
  font-weight: bold;
  transition: transform 0.3s;
  box-shadow: var(--glow-soft);
}

.logout-btn:hover {
  transform: scale(1.05);
  box-shadow: var(--glow-strong);
}

.profile-card {
  padding: 2rem;
  border-radius: 32px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.1); /* Softer shadow */
  margin-bottom: 2rem;
}

.profile-header {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-bottom: 2rem;
}

.avatar-container {
  position: relative;
}

.avatar {
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, var(--aero-aqua), var(--y2k-purple));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  font-weight: bold;
  color: #000;
  box-shadow: var(--glow-strong);
}

.name-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.edit-icon {
  cursor: pointer;
  font-size: 1rem;
  color: var(--aero-white);
  transition: color 0.3s;
}

.edit-icon:hover {
  color: var(--aero-aqua);
}

#edit-avatar {
  position: absolute;
  bottom: 0;
  right: 0;
  background: var(--glass-bg);
  border-radius: 50%;
  padding: 4px;
}

.user-info h1 {
  font-family: 'Helvetica Neue', sans-serif;
  font-weight: 300;
  font-size: 2rem;
  letter-spacing: 0.02em;
  line-height: 1;
}

.user-info p {
  font-size: 1.4rem; 
  line-height: 1.8;
  color: var(--aero-aqua);
  text-shadow: 0 0 6px var(--y2k-purple), var(--glow-soft);
  animation: fadeIn 2s ease-out;
}

.details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.detail-item {
  padding: 1.5rem;
  border-radius: 8px;
  border-left: 3px solid var(--aero-blue);
}

.detail-item label {
  display: block;
  font-size: 0.85rem;
  color: var(--aero-blue);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.detail-item span {
  font-size: 1.1rem;
  color: #fff;
  word-break: break-all;
}

.settings-menu {
  position: relative;
  display: inline-block;
}

.settings-toggle {
  padding: 8px 16px;
  border: none;
  border-radius: 50%; /* Circular for aero icon button */
  cursor: pointer;
  font-size: 1.2rem;
  transition: all 0.3s;
  background: linear-gradient(90deg, var(--aero-blue), var(--aero-aqua));
  color: #000;
  box-shadow: var(--glow-med);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.settings-toggle:hover {
  transform: rotate(15deg);
  box-shadow: var(--glow-strong);
  animation: glitchAnim 0.4s steps(5) infinite;
}

.settings-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  left: auto;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  border: 1px solid rgba(0, 191, 255, 0.06);
  backdrop-filter: var(--glass-blur);
  border-radius: 16px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.25);
  padding: 1rem;
  min-width: 320px;
  z-index: 1000;
  margin-left: 0;
}

.settings-dropdown.active {
  display: block;
}

/* Settings rows: inline label + input + action button */

.settings-dropdown::before {
  content: '';
  position: absolute;
  top: -8px;
  right: 18px;
  width: 12px;
  height: 12px;
  background: linear-gradient(90deg, rgba(0,191,255,0.16), rgba(127,255,212,0.12));
  filter: blur(8px);
  border-radius: 50%;
  z-index: 0;
}

.settings-row {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.45rem;
  margin-bottom: 0.9rem;
  position: relative;
  z-index: 1;
}

.settings-row label {
  font-size: 0.82rem;
  color: var(--aero-aqua);
  opacity: 0.95;
  margin-left: 6px;
}

.settings-row input[type="text"] {
  width: 100%;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.04);
  background: rgba(0,0,0,0.35);
  color: #fff;
  outline: none;
  transition: box-shadow 0.18s, border-color 0.18s, transform 0.12s;
}

.settings-row input[type="text"]:focus {
  border-color: rgba(0,191,255,0.65);
  box-shadow: 0 4px 24px rgba(0,191,255,0.06);
}

/* Keep file input hidden; Upload button triggers file picker */
.settings-row input[type="file"] {
  display: none;
}

/* Make action buttons full-width rounded pills */
.settings-row .settings-item {
  display: inline-flex;
  width: 100%;
  padding: 12px 18px;
  border-radius: 999px;
  font-size: 1rem;
  align-items: center;
  justify-content: center;
  background: linear-gradient(90deg, rgba(0,191,255,0.18), rgba(127,255,212,0.25));
  border: 1px solid rgba(255,255,255,0.06);
  color: #fff;
  box-shadow: 0 8px 30px rgba(0,191,255,0.06);
}

.settings-row .settings-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 40px rgba(0,191,255,0.09);
}

/* Primary-looking buttons inside dropdown */
.settings-dropdown .settings-item:not(:last-child) {
  background: linear-gradient(90deg, rgba(0,191,255,0.28), rgba(127,255,212,0.22));
}

.settings-dropdown hr {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,0.02), rgba(0,191,255,0.06));
  margin: 8px 0 10px 0;
}

/* Dropdown appear animation */
.settings-dropdown {
  opacity: 0;
  transform: translateY(-6px) scale(0.98);
  transition: opacity 180ms ease, transform 220ms cubic-bezier(.2,.9,.3,1);
}
.settings-dropdown.active {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Smaller dropdown on very small screens: full-width below button */
@media (max-width: 768px) {
  .settings-dropdown {
    right: 0;
    left: 0;
    min-width: auto;
    width: calc(100% - 2rem);
    margin: 0.6rem auto 0;
    top: calc(100% + 6px);
  }
  .settings-row label { min-width: 90px; }
}

.settings-item {
  display: block;
  width: 100%;
  margin-bottom: 0.8rem;
  padding: 12px 20px;
  background: rgba(255,255,255,0.08);
  color: #fff;
  border: 1px solid rgba(0, 191, 255, 0.3);
  box-shadow: var(--glow-med);
  text-align: left;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s;
  border-radius: 16px;
}

.settings-item:hover {
  background: rgba(0, 191, 255, 0.08);
  transform: translateX(4px);
  box-shadow: var(--glow-strong);
  animation: glitchAnim 0.4s steps(5) infinite;
}

.settings-item:last-child {
  margin-bottom: 0;
  background: linear-gradient(90deg, var(--aero-blue), var(--aero-green));
  border: none;
  color: #000;
}

.settings-item:last-child:hover {
  transform: scale(1.02);
  box-shadow: var(--glow-strong);
}

.btn {
  padding: 12px 24px;
  border: none;
  border-radius: 24px;
  cursor: pointer;
  font-weight: bold;
  transition: all 0.3s;
}

.btn-primary {
  background: linear-gradient(90deg, var(--aero-blue), var(--aero-green));
  color: #000;
  box-shadow: var(--glow-med);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-strong);
  animation: glitchAnim 0.35s steps(5) infinite;
}

.btn-secondary {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border: 1px solid rgba(0, 191, 255, 0.5);
  box-shadow: var(--glow-med);
}

.btn-secondary:hover {
  background: rgba(0, 191, 255, 0.1);
  transform: translateY(-2px);
  box-shadow: var(--glow-strong);
  animation: glitchAnim 0.35s steps(5) infinite;
}

.message {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid #22c55e;
  color: #86efac;
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  box-shadow: var(--glow-soft);
}

.message.error {
  background: rgba(239, 68, 68, 0.1);
  border-color: #ef4444;
  color: #fca5a5;
}

.site-footer {
  padding: 80px 40px;
  background: linear-gradient(to top, #000033, transparent);
  position: relative;
  z-index: 15;
  text-align: center;
  pointer-events: auto;
}

.footer-inner {
  max-width: 1200px;
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
  padding: 40px;
  border-radius: 24px;
}

.footer-logo {
  font-family: 'Helvetica Neue', sans-serif;
  font-weight: 300;
  letter-spacing: 0.15rem;
  font-size: 2rem; 
}

.footer-nav {
  display: flex;
  gap: 1rem;
}

.footer-nav a {
  color: var(--aero-white);
  text-decoration: none;
  transition: color 0.3s;
}

.footer-nav a:hover {
  color: var(--aero-aqua);
}

.footer-copy {
  font-size: 0.85rem;
  letter-spacing: 0.1rem;
  color: var(--aero-white);
  opacity: 0.95; /* Brighter text */
}

@media (max-width: 768px) {
  header { padding: 20px; justify-content: center; }

  .container {
    padding: 1rem;
    max-width: 90%;
  }

  .profile-header { flex-direction: column; align-items: center; text-align: center; }

  .footer-inner {
    flex-direction: column;
    text-align: center;
    padding: 20px;
  }

  .site-footer {
    padding: 40px 20px;
  }

  .settings-dropdown {
    top: 100%;
    left: auto;
    right: 0;
    margin-left: 0;
    margin-top: 0.8rem;
    box-shadow: 0 8px 40px rgba(0,0,0,0.08);
  }
}

@media (max-width: 480px) {
  .avatar { width: 80px; height: 80px; font-size: 2rem; }
  .user-info h1 { font-size: 1.5rem; }
  .detail-item { padding: 1rem; }
  .btn { padding: 8px 16px; font-size: 0.9rem; }

  .footer-logo { font-size: 1.5rem; }
  .footer-copy { font-size: 0.75rem; }
}

@media (max-height: 600px) {
  .container { padding: 1rem; }
}