/* ==========================================================================
   CAMLAB SCIENCE PORTAL - DESIGN SYSTEM (style.css)
   ========================================================================== */

/* --- CSS Variables & Design Tokens --- */
:root {
  --font-title: 'Orbitron', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Color Palette */
  --bg-deep: #05050f;
  --bg-stars: #070718;
  --bg-glass: rgba(12, 12, 29, 0.45);
  --bg-glass-hover: rgba(22, 22, 49, 0.65);
  --bg-glass-pure: rgba(255, 255, 255, 0.03);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-bright: rgba(255, 255, 255, 0.18);
  
  /* Science Themes */
  --color-physics: #00f0ff;
  --color-physics-rgb: 0, 240, 255;
  --color-chemistry: #d000ff;
  --color-chemistry-rgb: 208, 0, 255;
  --color-math: #39ff14;
  --color-math-rgb: 57, 255, 20;
  --color-astronomy: #ffb700;
  --color-astronomy-rgb: 255, 183, 0;

  /* Neutrals */
  --text-primary: #ffffff;
  --text-secondary: #a0a0c0;
  --text-muted: #626284;
  --glow-intensity: 0.8;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Base Resets & Structure --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  min-height: 100vh;
  background-color: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-body);
  overflow-x: hidden;
  scroll-behavior: smooth;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-deep);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* --- Interactive Particle Canvas --- */
#cosmos-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: auto; /* Allow mouse interaction */
}

.cosmos-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: radial-gradient(circle at 50% 50%, rgba(5, 5, 15, 0.3) 0%, var(--bg-deep) 85%);
  z-index: 1;
  pointer-events: none;
}

/* --- Layout Wrapper --- */
.portal-wrapper {
  position: relative;
  width: 100%;
  min-height: 100vh;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* --- Header & Brand --- */
.portal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2.5rem;
  background: rgba(5, 5, 15, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-glass);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-animation {
  width: 50px;
  height: 50px;
}

.logo-animation svg {
  width: 100%;
  height: 100%;
}

.spin-core {
  transform-origin: 50px 50px;
  animation: logo-spin 12s linear infinite;
}

.glow-dot {
  filter: drop-shadow(0 0 6px #fff);
  animation: core-pulse 2s ease-in-out infinite alternate;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-title);
  font-size: 1.6rem;
  font-weight: 900;
  letter-spacing: 3px;
  background: linear-gradient(90deg, #ffffff 0%, #a0a0c0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.1));
}

.brand-subtitle {
  font-family: var(--font-title);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 4px;
  color: var(--color-physics);
  text-shadow: 0 0 8px rgba(0, 240, 255, 0.5);
}

/* Control Buttons in Header */
.header-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.control-btn {
  background: var(--bg-glass-pure);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  padding: 0.6rem 1.2rem;
  border-radius: 30px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition-normal);
  backdrop-filter: blur(8px);
}

.control-btn:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-glass-bright);
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.05);
  transform: translateY(-1px);
}

.control-btn.paused {
  opacity: 0.6;
  border-color: rgba(255, 0, 0, 0.2);
}

.control-btn.paused .btn-icon {
  filter: grayscale(1);
}

/* --- Hero Section --- */
.portal-main {
  flex-grow: 1;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 3rem 2rem;
  z-index: 2;
}

.portal-hero {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3.5rem auto;
}

.hero-title {
  font-family: var(--font-title);
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: 2px;
  margin-bottom: 1.2rem;
  background: linear-gradient(135deg, #ffffff 30%, var(--color-physics) 70%, var(--color-chemistry) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.5));
}

.hero-description {
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--text-secondary);
  font-weight: 300;
}

/* --- Search & Filtering --- */
.portal-filter-bar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 3rem;
  width: 100%;
}

/* Search Input styling */
.search-container {
  position: relative;
  width: 100%;
  max-width: 600px;
}

.search-icon {
  position: absolute;
  left: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.1rem;
  color: var(--text-muted);
  pointer-events: none;
  transition: color var(--transition-fast);
}

#search-input {
  width: 100%;
  padding: 1rem 3rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 40px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 400;
  outline: none;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

#search-input:focus {
  border-color: var(--color-physics);
  background: var(--bg-glass-hover);
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.15), inset 0 0 10px rgba(0, 240, 255, 0.05);
}

#search-input:focus + .search-icon {
  color: var(--color-physics);
}

.search-clear-btn {
  position: absolute;
  right: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  font-size: 1.6rem;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  display: none;
  transition: color var(--transition-fast);
}

.search-clear-btn:hover {
  color: #fff;
}

.search-container.active .search-clear-btn {
  display: block;
}

/* Tag buttons styling */
.filter-tags {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.tag-btn {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  padding: 0.6rem 1.4rem;
  border-radius: 30px;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  transition: all var(--transition-normal);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.tag-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-glass-bright);
  background: var(--bg-glass-hover);
  transform: translateY(-2px);
}

.tag-btn.active {
  color: #fff;
  border-color: var(--border-glass-bright);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.05);
}

/* Color indicator pills on tags */
.tag-color-indicator {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  box-shadow: 0 0 6px currentColor;
}

.tag-color-indicator.physics { color: var(--color-physics); background-color: var(--color-physics); }
.tag-color-indicator.chemistry { color: var(--color-chemistry); background-color: var(--color-chemistry); }
.tag-color-indicator.math { color: var(--color-math); background-color: var(--color-math); }

/* --- Experiments Grid & Cards --- */
.experiments-section {
  width: 100%;
}

.grid-header {
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.results-count {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-family: var(--font-title);
  letter-spacing: 1px;
}

.experiments-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
  width: 100%;
}

/* Individual Glassmorphic Card */
.experiment-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-normal);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  position: relative;
  opacity: 1;
  transform: translateY(0);
}

.experiment-card.hidden {
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  pointer-events: none;
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
  margin: 0;
  border: none;
  padding: 0;
}

/* Subject-specific card colors & glows on hover */
.experiment-card.physics:hover {
  border-color: rgba(var(--color-physics-rgb), 0.5);
  box-shadow: 0 10px 30px rgba(var(--color-physics-rgb), 0.15), 0 0 1px rgba(var(--color-physics-rgb), 0.5);
  transform: translateY(-6px);
}

.experiment-card.chemistry:hover {
  border-color: rgba(var(--color-chemistry-rgb), 0.5);
  box-shadow: 0 10px 30px rgba(var(--color-chemistry-rgb), 0.15), 0 0 1px rgba(var(--color-chemistry-rgb), 0.5);
  transform: translateY(-6px);
}

.experiment-card.mathematics:hover {
  border-color: rgba(var(--color-math-rgb), 0.5);
  box-shadow: 0 10px 30px rgba(var(--color-math-rgb), 0.15), 0 0 1px rgba(var(--color-math-rgb), 0.5);
  transform: translateY(-6px);
}

/* Card Header/Hero Area (Decorative visual representation) */
.card-banner {
  height: 160px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(20, 20, 45, 0.8) 0%, rgba(5, 5, 15, 0.95) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border-glass);
}

/* Cosmic grid background decoration on card banners */
.card-banner-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 20px 20px;
  background-position: center;
  opacity: 0.5;
  z-index: 1;
}

/* Neon glow particles in cards */
.card-banner-glow {
  position: absolute;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.35;
  z-index: 2;
  animation: glow-pulse 4s ease-in-out infinite alternate;
}

.physics .card-banner-glow { background: var(--color-physics); }
.chemistry .card-banner-glow { background: var(--color-chemistry); }
.mathematics .card-banner-glow { background: var(--color-math); }

/* Science SVG Vector Illustration inside card banners */
.card-svg-container {
  position: relative;
  z-index: 3;
  width: 80px;
  height: 80px;
  transition: transform var(--transition-normal);
}

.experiment-card:hover .card-svg-container {
  transform: scale(1.1) rotate(5deg);
}

/* Badge indicators */
.card-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 4;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-family: var(--font-title);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.physics .card-badge {
  background: rgba(0, 240, 255, 0.12);
  color: var(--color-physics);
  border: 1px solid rgba(0, 240, 255, 0.25);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.1);
}

.chemistry .card-badge {
  background: rgba(208, 0, 255, 0.12);
  color: var(--color-chemistry);
  border: 1px solid rgba(208, 0, 255, 0.25);
  box-shadow: 0 0 10px rgba(208, 0, 255, 0.1);
}

.mathematics .card-badge {
  background: rgba(57, 255, 20, 0.12);
  color: var(--color-math);
  border: 1px solid rgba(57, 255, 20, 0.25);
  box-shadow: 0 0 10px rgba(57, 255, 20, 0.1);
}

/* Card Content Details */
.card-content {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.card-title {
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  letter-spacing: 0.5px;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.experiment-card:hover .card-title {
  color: #fff;
}

.card-desc {
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--text-secondary);
  margin-bottom: 1.2rem;
  flex-grow: 1;
}

/* Card Tags list */
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.2rem;
}

.card-tag {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}

/* Card Actions styling */
.card-actions {
  display: flex;
  gap: 0.8rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 1.2rem 1.5rem;
}

.card-btn {
  flex: 1;
  padding: 0.7rem 1rem;
  border-radius: 10px;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-decoration: none;
  transition: all var(--transition-normal);
}

/* Preview/Modal Launcher Button */
.card-btn-preview {
  background: var(--bg-glass-pure);
  border: 1px solid var(--border-glass-bright);
  color: var(--text-primary);
}

.card-btn-preview:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: #fff;
  transform: translateY(-1px);
}

/* External Direct Link Button */
.card-btn-launch {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-weight: 500;
}

.physics .card-btn-launch { border-color: rgba(0, 240, 255, 0.15); color: var(--color-physics); }
.chemistry .card-btn-launch { border-color: rgba(208, 0, 255, 0.15); color: var(--color-chemistry); }
.mathematics .card-btn-launch { border-color: rgba(57, 255, 20, 0.15); color: var(--color-math); }

.card-btn-launch:hover {
  transform: translateY(-1px);
  color: #fff;
}

.physics .card-btn-launch:hover { background: rgba(0, 240, 255, 0.1); border-color: var(--color-physics); }
.chemistry .card-btn-launch:hover { background: rgba(208, 0, 255, 0.1); border-color: var(--color-chemistry); }
.mathematics .card-btn-launch:hover { background: rgba(57, 255, 20, 0.1); border-color: var(--color-math); }

/* --- Fullscreen Glassmorphic Preview Modal --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(4, 4, 12, 0.7);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  z-index: 100;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2.5rem;
  opacity: 1;
  visibility: visible;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Modal Window Container */
.modal-container {
  width: 100%;
  height: 100%;
  max-width: 1300px;
  background: rgba(10, 10, 26, 0.85);
  border: 1px solid var(--border-glass-bright);
  border-radius: 24px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 240, 255, 0.05);
  transform: scale(1);
  transition: transform var(--transition-normal);
}

.modal-overlay.hidden .modal-container {
  transform: scale(0.95);
}

/* Subject glow overrides on modal borders */
.modal-overlay.physics .modal-container { border-color: rgba(var(--color-physics-rgb), 0.35); box-shadow: 0 25px 60px rgba(0,0,0,0.8), 0 0 30px rgba(var(--color-physics-rgb), 0.15); }
.modal-overlay.chemistry .modal-container { border-color: rgba(var(--color-chemistry-rgb), 0.35); box-shadow: 0 25px 60px rgba(0,0,0,0.8), 0 0 30px rgba(var(--color-chemistry-rgb), 0.15); }
.modal-overlay.mathematics .modal-container { border-color: rgba(var(--color-math-rgb), 0.35); box-shadow: 0 25px 60px rgba(0,0,0,0.8), 0 0 30px rgba(var(--color-math-rgb), 0.15); }

/* Modal Header styling */
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 2rem;
  background: rgba(5, 5, 15, 0.8);
  border-bottom: 1px solid var(--border-glass);
}

.modal-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.modal-badge {
  padding: 0.25rem 0.7rem;
  border-radius: 12px;
  font-family: var(--font-title);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.modal-overlay.physics .modal-badge { background: rgba(0, 240, 255, 0.12); color: var(--color-physics); border: 1px solid rgba(0, 240, 255, 0.2); }
.modal-overlay.chemistry .modal-badge { background: rgba(208, 0, 255, 0.12); color: var(--color-chemistry); border: 1px solid rgba(208, 0, 255, 0.2); }
.modal-overlay.mathematics .modal-badge { background: rgba(57, 255, 20, 0.12); color: var(--color-math); border: 1px solid rgba(57, 255, 20, 0.2); }

.modal-title {
  font-family: var(--font-title);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.modal-actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.action-btn {
  background: var(--bg-glass-pure);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all var(--transition-fast);
}

.action-btn svg {
  width: 15px;
  height: 15px;
}

.action-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-glass-bright);
  color: #fff;
}

.close-btn {
  padding: 0.5rem;
  border-radius: 50%;
}

/* Modal Body / Iframe Area */
.modal-body {
  flex-grow: 1;
  position: relative;
  background: #000;
  width: 100%;
  height: 100%;
}

.modal-body iframe {
  width: 100%;
  height: 100%;
  border: none;
  opacity: 0;
  transition: opacity 0.5s ease;
  z-index: 2;
  position: relative;
}

.modal-body iframe.loaded {
  opacity: 1;
}

/* Loader Screen inside Modal Body */
.modal-loader {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #060613;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  z-index: 1;
  transition: opacity 0.4s ease;
}

.modal-loader.hidden {
  opacity: 0;
  pointer-events: none;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 3px solid rgba(255, 255, 255, 0.05);
  border-top-color: var(--color-physics);
  border-radius: 50%;
  animation: spinner-spin 0.8s linear infinite;
  position: relative;
}

.spinner::after {
  content: '';
  position: absolute;
  top: -3px; left: -3px; right: -3px; bottom: -3px;
  border: 3px solid transparent;
  border-bottom-color: var(--color-chemistry);
  border-radius: 50%;
  animation: spinner-spin-reverse 1.2s linear infinite;
}

.modal-loader p {
  color: var(--text-secondary);
  font-family: var(--font-title);
  font-size: 0.85rem;
  letter-spacing: 2px;
  animation: pulse-text 1.5s ease-in-out infinite alternate;
}

/* --- Footer --- */
.portal-footer {
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--border-glass);
  background: rgba(5, 5, 15, 0.4);
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* --- Keyframe Animations --- */
@keyframes logo-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes core-pulse {
  0% { r: 5px; opacity: 0.7; }
  100% { r: 7.5px; opacity: 1; }
}

@keyframes glow-pulse {
  0% { transform: scale(0.9); opacity: 0.25; }
  100% { transform: scale(1.1); opacity: 0.45; }
}

@keyframes spinner-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes spinner-spin-reverse {
  0% { transform: rotate(360deg); }
  100% { transform: rotate(0deg); }
}

@keyframes pulse-text {
  0% { opacity: 0.5; }
  100% { opacity: 1; }
}

/* --- Responsive Media Queries --- */
@media (max-width: 1024px) {
  .modal-overlay {
    padding: 1.5rem;
  }
  .hero-title {
    font-size: 2.2rem;
  }
}

@media (max-width: 768px) {
  .portal-header {
    padding: 1rem 1.5rem;
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }
  .header-controls {
    align-self: flex-end;
  }
  .portal-main {
    padding: 2rem 1rem;
  }
  .hero-title {
    font-size: 1.8rem;
  }
  .hero-description {
    font-size: 1rem;
  }
  .experiments-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .modal-overlay {
    padding: 0;
  }
  .modal-container {
    border-radius: 0;
    border: none;
  }
  .modal-header {
    padding: 1rem;
  }
  .modal-title {
    font-size: 1rem;
  }
}