/* Tailwind CSS - Include from CDN in HTML */
/* Custom CSS Variables for Design System */
:root {
  /* Colors based on the current design */
  --color-slate-50: rgb(248 250 252);
  --color-slate-100: rgb(241 245 249);
  --color-slate-200: rgb(226 232 240);
  --color-slate-300: rgb(203 213 225);
  --color-slate-400: rgb(148 163 184);
  --color-slate-500: rgb(100 116 139);
  --color-slate-600: rgb(71 85 105);
  --color-slate-700: rgb(51 65 85);
  --color-slate-800: rgb(30 41 59);
  --color-slate-900: rgb(15 23 42);
  --color-slate-950: rgb(2 6 23);
  
  --color-blue-100: rgb(219 234 254);
  --color-blue-500: rgb(59 130 246);
  --color-blue-600: rgb(37 99 235);
  --color-blue-900: rgb(30 58 138);
  
  --color-green-100: rgb(220 252 231);
  --color-green-800: rgb(22 101 52);
  --color-green-900: rgb(20 83 45);
  
  --color-purple-100: rgb(243 232 255);
  --color-purple-800: rgb(107 33 168);
  --color-purple-900: rgb(88 28 135);
  
  --color-orange-100: rgb(255 237 213);
  --color-orange-800: rgb(154 52 18);
  --color-orange-900: rgb(124 45 18);
  
  --color-pink-100: rgb(252 231 243);
  --color-pink-800: rgb(157 23 77);
  --color-pink-900: rgb(131 24 67);
  
  --color-yellow-100: rgb(254 249 195);
  --color-yellow-800: rgb(133 77 14);
  --color-yellow-900: rgb(113 63 18);
  
  --color-gray-100: rgb(243 244 246);
  --color-gray-800: rgb(31 41 55);
  --color-gray-900: rgb(17 24 39);
  
  /* Radius */
  --radius: 0.5rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

  /* Time-Responsive Theme Variables - Default (Day Theme) */
  --theme-primary: #2563eb;        /* Professional blue */
  --theme-bg-primary: #ffffff;     /* Clean white */
  --theme-bg-secondary: #f8fafc;   /* Subtle gray */
  --theme-text-primary: #1e293b;   /* High contrast */
  --theme-text-secondary: #64748b; /* Professional gray */
  --theme-accent: #059669;         /* Success green */
  --theme-border: #e2e8f0;         /* Subtle borders */
  --theme-shadow: rgba(0,0,0,0.1); /* Professional shadows */
  
  /* Button Variables */
  --theme-btn-bg: rgba(255, 255, 255, 0.8);
  --theme-btn-hover-bg: #f1f5f9;
  --theme-btn-hover-text: #1e293b;
  --theme-btn-outline-bg: rgba(255, 255, 255, 0.9);
  --theme-btn-outline-border: #e2e8f0;
  --theme-btn-outline-text: #475569;
  --theme-btn-outline-hover-bg: #f8fafc;
  --theme-btn-outline-hover-text: #1e293b;
  
  /* Footer Variables */
  --theme-footer-bg: #1e293b;
  --theme-footer-text: #cbd5e1;
  --theme-footer-link-color: #94a3b8;
  --theme-footer-link-hover-color: #ffffff;
  
  /* Thought Leadership Section Variables */
  --theme-thought-leadership-bg: linear-gradient(to bottom right, #eff6ff, #c7d2fe);
  --theme-thought-leadership-card-bg: rgba(255, 255, 255, 0.8);
  --theme-thought-leadership-border: rgba(37, 99, 235, 0.2);
  --theme-thought-leadership-text: #1e40af;
  --theme-thought-leadership-text-secondary: #3730a3;
  
  /* Transition properties for smooth theme switching */
  --theme-transition: background-color 0.8s ease, color 0.8s ease, border-color 0.8s ease, box-shadow 0.8s ease;
}

/* Morning Theme (5 AM - 11 AM) - Fresh, energetic start */
:root[data-time-theme="morning"] {
  --theme-primary: #0284c7;        /* Fresh sky blue */
  --theme-bg-primary: #f0f9ff;     /* Light blue background */
  --theme-bg-secondary: #dbeafe;   /* Blue-tinted secondary */
  --theme-text-primary: #0c4a6e;   /* Deep blue */
  --theme-text-secondary: #0369a1; /* Medium blue */
  --theme-accent: #0891b2;         /* Cyan accent */
  --theme-border: #38bdf8;         /* Sky blue border */
  --theme-shadow: rgba(2,132,199,0.25); /* Blue shadows */
  
  /* Morning Button Variables */
  --theme-btn-bg: rgba(240, 249, 255, 0.9);
  --theme-btn-hover-bg: #dbeafe;
  --theme-btn-hover-text: #0c4a6e;
  --theme-btn-outline-bg: rgba(240, 249, 255, 0.8);
  --theme-btn-outline-border: #7dd3fc;
  --theme-btn-outline-text: #0369a1;
  --theme-btn-outline-hover-bg: #dbeafe;
  --theme-btn-outline-hover-text: #0c4a6e;
  
  /* Morning Footer */
  --theme-footer-bg: #0c4a6e;
  --theme-footer-text: #bae6fd;
  --theme-footer-link-color: #7dd3fc;
  --theme-footer-link-hover-color: #ffffff;
  
  /* Morning Thought Leadership */
  --theme-thought-leadership-bg: linear-gradient(to bottom right, #e0f2fe, #bae6fd);
  --theme-thought-leadership-card-bg: rgba(224, 242, 254, 0.9);
  --theme-thought-leadership-border: rgba(2, 132, 199, 0.4);
  --theme-thought-leadership-text: #0c4a6e;
  --theme-thought-leadership-text-secondary: #0369a1;
}

/* Midday Theme (11 AM - 3 PM) - Bright, professional peak */
:root[data-time-theme="midday"] {
  --theme-primary: #4f46e5;        /* Professional indigo */
  --theme-bg-primary: #ffffff;     /* Pure white */
  --theme-bg-secondary: #f8fafc;   /* Cool neutral gray */
  --theme-text-primary: #0f172a;   /* Deep slate */
  --theme-text-secondary: #64748b; /* Professional gray */
  --theme-accent: #059669;         /* Success green */
  --theme-border: #d1d5db;         /* Neutral borders */
  --theme-shadow: rgba(0,0,0,0.1); /* Clean shadows */
  
  /* Midday Button Variables */
  --theme-btn-bg: rgba(255, 255, 255, 0.95);
  --theme-btn-hover-bg: #f1f5f9;
  --theme-btn-hover-text: #0f172a;
  --theme-btn-outline-bg: rgba(255, 255, 255, 0.9);
  --theme-btn-outline-border: #d1d5db;
  --theme-btn-outline-text: #374151;
  --theme-btn-outline-hover-bg: #f8fafc;
  --theme-btn-outline-hover-text: #0f172a;
  
  /* Midday Footer */
  --theme-footer-bg: #374151;
  --theme-footer-text: #d1d5db;
  --theme-footer-link-color: #9ca3af;
  --theme-footer-link-hover-color: #ffffff;
  
  /* Midday Thought Leadership */
  --theme-thought-leadership-bg: linear-gradient(to bottom right, #f9fafb, #e5e7eb);
  --theme-thought-leadership-card-bg: rgba(255, 255, 255, 0.95);
  --theme-thought-leadership-border: rgba(79, 70, 229, 0.2);
  --theme-thought-leadership-text: #374151;
  --theme-thought-leadership-text-secondary: #6b7280;
}

/* Afternoon Theme (3 PM - 7 PM) - Warm, comfortable transition */
:root[data-time-theme="afternoon"] {
  --theme-primary: #ea580c;        /* Warm orange */
  --theme-bg-primary: #fffbeb;     /* Warm white */
  --theme-bg-secondary: #fef3c7;   /* Soft amber */
  --theme-text-primary: #92400e;   /* Warm brown */
  --theme-text-secondary: #d97706; /* Medium amber */
  --theme-accent: #f59e0b;         /* Golden accent */
  --theme-border: #fde68a;         /* Warm border */
  --theme-shadow: rgba(234,88,12,0.15); /* Warm shadows */
  
  /* Afternoon Button Variables */
  --theme-btn-bg: rgba(255, 251, 235, 0.9);
  --theme-btn-hover-bg: #fef3c7;
  --theme-btn-hover-text: #92400e;
  --theme-btn-outline-bg: rgba(255, 251, 235, 0.8);
  --theme-btn-outline-border: #fde68a;
  --theme-btn-outline-text: #c2410c;
  --theme-btn-outline-hover-bg: #fef3c7;
  --theme-btn-outline-hover-text: #92400e;
  
  /* Afternoon Footer */
  --theme-footer-bg: #92400e;
  --theme-footer-text: #fed7aa;
  --theme-footer-link-color: #fde68a;
  --theme-footer-link-hover-color: #ffffff;
  
  /* Afternoon Thought Leadership */
  --theme-thought-leadership-bg: linear-gradient(to bottom right, #fef3c7, #fed7aa);
  --theme-thought-leadership-card-bg: rgba(255, 251, 235, 0.9);
  --theme-thought-leadership-border: rgba(234, 88, 12, 0.3);
  --theme-thought-leadership-text: #92400e;
  --theme-thought-leadership-text-secondary: #c2410c;
}

/* Night Theme (7 PM - 5 AM) - Dark, comfortable evening */
:root[data-time-theme="night"] {
  --theme-primary: #3b82f6;        /* Brighter blue for better contrast */
  --theme-bg-primary: #0f172a;     /* Deep comfortable navy */
  --theme-bg-secondary: #1e293b;   /* Layered depth */
  --theme-text-primary: #ffffff;   /* Pure white for better readability */
  --theme-text-secondary: #cbd5e1; /* Much lighter gray for readability */
  --theme-accent: #22d3ee;         /* Brighter cyan accent */
  --theme-border: #475569;         /* More visible dark borders */
  --theme-shadow: rgba(0,0,0,0.6); /* Deeper shadows for definition */
  
  /* Night Button Variables - Enhanced Readability */
  --theme-btn-bg: rgba(30, 41, 59, 0.8);
  --theme-btn-hover-bg: rgba(51, 65, 85, 0.9);
  --theme-btn-hover-text: #ffffff;
  --theme-btn-outline-bg: rgba(30, 41, 59, 0.9);
  --theme-btn-outline-border: #64748b;
  --theme-btn-outline-text: #e2e8f0;
  --theme-btn-outline-hover-bg: rgba(51, 65, 85, 0.9);
  --theme-btn-outline-hover-text: #ffffff;
  
  /* Night Footer - Enhanced Readability */
  --theme-footer-bg: #0f172a;
  --theme-footer-text: #f1f5f9;
  --theme-footer-link-color: #cbd5e1;
  --theme-footer-link-hover-color: #60a5fa;
  
  /* Night Thought Leadership */
  --theme-thought-leadership-bg: linear-gradient(to bottom right, #1e293b, #334155);
  --theme-thought-leadership-card-bg: rgba(30, 41, 59, 0.8);
  --theme-thought-leadership-border: rgba(59, 130, 246, 0.4);
  --theme-thought-leadership-text: #60a5fa;
  --theme-thought-leadership-text-secondary: #93c5fd;
}


/* Base styles */
body {
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  line-height: 1.6;
  color: var(--color-slate-900);
  background: linear-gradient(to bottom right, var(--color-slate-50), var(--color-slate-100));
  min-height: 100vh;
}


/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.header {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-slate-200);
  position: sticky;
  top: 0;
  z-index: 50;
}


.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.logo h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
  color: var(--theme-text-primary);
}


.logo p {
  margin: 0;
  color: var(--theme-text-secondary);
  font-size: 0.875rem;
}


/* Navigation */
.nav-links {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Button styles */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--color-slate-900);
  color: white;
}

.btn-primary:hover {
  background: var(--color-slate-800);
}

.btn-outline {
  border: 1px solid var(--color-slate-300);
  color: var(--color-slate-700);
  background: white;
}

.btn-outline:hover {
  background: var(--color-slate-50);
}



/* Hero section */
.hero {
  padding: 5rem 0;
  text-align: center;
}

.profile-image {
  width: 12rem;
  height: 12rem;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid white;
  box-shadow: var(--shadow-2xl);
  margin: 0 auto 2rem;
  display: block;
  position: relative;
}

.hero h2 {
  font-size: 3rem;
  font-weight: 700;
  margin: 0 0 1.5rem;
  color: var(--color-slate-900);
}


.hero-description {
  font-size: 1.25rem;
  color: var(--color-slate-600);
  max-width: 48rem;
  margin: 0 auto 2rem;
  line-height: 1.6;
}


/* Badges */
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin: 2rem 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--color-slate-100);
  color: var(--color-slate-700);
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
}


/* Info section */
.info-section {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  margin-top: 2rem;
  color: var(--color-slate-600);
}


.info-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Cards */
.card {
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--color-slate-200);
  transition: box-shadow 0.3s ease;
}

.card:hover {
  box-shadow: var(--shadow-lg);
}


.card-header {
  padding: 1.5rem 1.5rem 0;
}

.card-content {
  padding: 1.5rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  color: var(--color-slate-900);
}


.card-description {
  color: var(--color-slate-600);
  margin: 0;
  font-size: 0.875rem;
}


/* Sections */
.section {
  padding: 4rem 0;
}



.section-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin: 0 0 3rem;
  color: var(--color-slate-900);
}


/* Grid layouts */
.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Category colors */
.category-cv { background: var(--color-blue-100); color: var(--color-blue-800); }
.category-research { background: var(--color-green-100); color: var(--color-green-800); }
.category-publication { background: var(--color-purple-100); color: var(--color-purple-800); }
.category-technical { background: var(--color-orange-100); color: var(--color-orange-800); }
.category-presentation { background: var(--color-pink-100); color: var(--color-pink-800); }
.category-certificate { background: var(--color-yellow-100); color: var(--color-yellow-800); }
.category-other { background: var(--color-gray-100); color: var(--color-gray-800); }


.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--color-slate-700);
}


.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-slate-300);
  border-radius: var(--radius);
  font-size: 0.875rem;
  background: white;
  color: var(--color-slate-900);
}


.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-blue-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Footer */
.footer {
  background: var(--color-slate-900);
  color: white;
  padding: 3rem 0;
}


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

.footer-info h4 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
}

.footer-info p {
  margin: 0;
  color: var(--color-slate-400);
  font-size: 0.875rem;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--color-slate-400);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: white;
}

.footer-separator {
  height: 1px;
  background: var(--color-slate-700);
  margin: 1.5rem 0;
}

.footer-copyright {
  text-align: center;
  color: var(--color-slate-400);
  font-size: 0.875rem;
}

/* Responsive design - Optimized for Recruiters */
@media (max-width: 768px) {
  .hero h2 {
    font-size: 2rem;
    line-height: 1.2;
  }
  
  .hero-description {
    font-size: 1rem;
    line-height: 1.5;
  }
  
  .info-section {
    flex-direction: column;
    gap: 1rem;
  }
  
  .footer-content {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  
  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .nav-links {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  /* Mobile form optimization */
  .form-group {
    margin-bottom: 1.5rem;
  }
  
  .form-input, .form-select, .form-textarea {
    font-size: 16px; /* Prevents zoom on iOS */
    padding: 0.875rem;
  }
  
  /* Mobile grid adjustments */
  div[style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: 1fr !important;
    gap: 1rem;
  }
  
  /* Touch-friendly buttons */
  .btn {
    min-height: 44px;
    font-size: 1rem;
  }
  
  /* Better mobile navigation */
  .header {
    padding: 1rem 0;
  }
  
  .logo h1 {
    font-size: 1.25rem;
  }
  
  .logo p {
    font-size: 0.75rem;
  }
}

/* Tablet optimization */
@media (min-width: 769px) and (max-width: 1024px) {
  .container {
    padding: 0 2rem;
  }
  
  .grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}

/* Utilities */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.loading {
  opacity: 0.6;
  pointer-events: none;
}

.error {
  color: rgb(239 68 68);
  background: rgb(254 242 242);
  border: 1px solid rgb(252 165 165);
  padding: 0.75rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
}


/* ====================================
   TIME-RESPONSIVE THEME APPLICATIONS
   ====================================*/

/* Apply theme variables to body and main containers */
body {
  background-color: var(--theme-bg-primary);
  color: var(--theme-text-primary);
  transition: var(--theme-transition);
}

/* Header theme application */
.header {
  background-color: var(--theme-bg-primary);
  color: var(--theme-text-primary);
  border-bottom: 1px solid var(--theme-border);
  transition: var(--theme-transition);
}

/* Hero section theme application */
.hero {
  background-color: var(--theme-bg-primary);
  color: var(--theme-text-primary);
  transition: var(--theme-transition);
}

.hero h2 {
  color: var(--theme-text-primary);
  transition: var(--theme-transition);
}

.hero-description {
  color: var(--theme-text-secondary);
  transition: var(--theme-transition);
}

/* Card components theme application */
.card {
  background-color: var(--theme-bg-primary);
  border: 1px solid var(--theme-border);
  box-shadow: var(--theme-shadow);
  color: var(--theme-text-primary);
  transition: var(--theme-transition);
}

.card-title {
  color: var(--theme-text-primary);
  transition: var(--theme-transition);
}

.card-description {
  color: var(--theme-text-secondary);
  transition: var(--theme-transition);
}

/* Section backgrounds */
.section {
  background-color: var(--theme-bg-primary);
  transition: var(--theme-transition);
}

.section-alt {
  background-color: var(--theme-bg-secondary);
  transition: var(--theme-transition);
}

.section-title {
  color: var(--theme-text-primary);
  transition: var(--theme-transition);
}

/* Navigation and buttons */
.btn {
  border-color: var(--theme-border);
  color: var(--theme-text-primary);
  background-color: var(--theme-btn-bg);
  transition: var(--theme-transition);
}

.btn:hover {
  background-color: var(--theme-btn-hover-bg);
  border-color: var(--theme-primary);
  color: var(--theme-btn-hover-text);
}

.btn-primary {
  background-color: var(--theme-primary);
  color: var(--theme-bg-primary);
  border-color: var(--theme-primary);
}

.btn-primary:hover {
  opacity: 0.9;
}

.btn-outline {
  background-color: var(--theme-btn-outline-bg);
  border-color: var(--theme-btn-outline-border);
  color: var(--theme-btn-outline-text);
}

.btn-outline:hover {
  background-color: var(--theme-btn-outline-hover-bg);
  border-color: var(--theme-primary);
  color: var(--theme-btn-outline-hover-text);
}

/* Footer theme application */
.footer {
  background-color: var(--theme-footer-bg);
  color: var(--theme-footer-text);
  border-top: 1px solid var(--theme-border);
  transition: var(--theme-transition);
}

.footer-links a {
  color: var(--theme-footer-link-color);
  transition: var(--theme-transition);
}

.footer-links a:hover {
  color: var(--theme-footer-link-hover-color);
}

/* Form elements */
.form-input, .form-select, .form-textarea {
  background-color: var(--theme-bg-primary);
  border-color: var(--theme-border);
  color: var(--theme-text-primary);
  transition: var(--theme-transition);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--theme-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Badge styling */
.badge {
  background-color: var(--theme-bg-secondary);
  color: var(--theme-text-primary);
  border: 1px solid var(--theme-border);
  transition: var(--theme-transition);
}

/* Skills domain cards */
.skill-domains-container .card {
  background-color: var(--theme-bg-primary);
  border: 1px solid var(--theme-border);
  transition: var(--theme-transition);
}

/* Thought Leadership Section - Special Theme-Aware Styling */
.thought-leadership-section {
  background: var(--theme-thought-leadership-bg);
  transition: var(--theme-transition);
}

.thought-leadership-card {
  background: var(--theme-thought-leadership-card-bg);
  backdrop-filter: blur(8px);
  border: 1px solid var(--theme-thought-leadership-border);
  transition: var(--theme-transition);
}

.thought-leadership-quote {
  color: var(--theme-thought-leadership-text);
  transition: var(--theme-transition);
}

.thought-leadership-description {
  color: var(--theme-thought-leadership-text-secondary);
  transition: var(--theme-transition);
}

/* Info section styling */
.info-section {
  transition: var(--theme-transition);
}

.info-item {
  color: var(--theme-text-secondary);
  transition: var(--theme-transition);
}


/* Screen reader only class for accessibility announcements */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ====================================
   CELESTIAL WATERMARK BACKGROUNDS
   ====================================*/

.celestial-watermark {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-repeat: no-repeat;
  background-size: min(35vmin, 300px);
  background-position: 50% 30%;
  pointer-events: none;
  z-index: -1;
  opacity: 0.15;
  transition: var(--theme-transition), background-position 2s ease-out;
  will-change: background-position, opacity;
}

/* Morning: Sun rising (left side, lower) */
:root[data-time-theme="morning"] .celestial-watermark {
  background-image: url('assets/backgrounds/sun_bg.svg');
  opacity: 0.15;
}

/* Midday: Sun at peak (center, high) */
:root[data-time-theme="midday"] .celestial-watermark {
  background-image: url('assets/backgrounds/sun_bg.svg');
  opacity: 0.12;
}

/* Afternoon: Sun setting (right side, lower) */
:root[data-time-theme="afternoon"] .celestial-watermark {
  background-image: url('assets/backgrounds/sun_bg.svg');
  opacity: 0.14;
}

/* Night: Moon traveling across sky */
:root[data-time-theme="night"] .celestial-watermark {
  background-image: url('assets/backgrounds/moon_bg.svg');
  opacity: 0.1;
}

/* Responsive sizing */
@media (max-width: 768px) {
  .celestial-watermark {
    background-size: min(40vmin, 250px);
    opacity: 0.04;
  }
  
  :root[data-time-theme="night"] .celestial-watermark {
    opacity: 0.03;
  }
}