/* ==========================================================================
   ENHA PRENEUR - Modern Profile Website Stylesheet
   Dr. Ir. H. Nurul Hidayat, S.Pt., M.Kom., IPM., ASEAN Eng.
   ========================================================================== */

:root {
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Light Theme Palette */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.85);
  --border-card: rgba(226, 232, 240, 0.8);
  --border-hover: rgba(2, 132, 199, 0.4);
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  
  --brand-primary: #0284c7;
  --brand-emerald: #059669;
  --brand-amber: #d97706;
  --brand-indigo: #4f46e5;
  --brand-gradient: linear-gradient(135deg, #059669 0%, #0284c7 50%, #4f46e5 100%);
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  --shadow-glow: 0 0 25px rgba(2, 132, 199, 0.18);
  
  --glass-bg: rgba(255, 255, 255, 0.82);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-blur: blur(14px);
}

.dark {
  /* Dark Theme Palette */
  --bg-primary: #0b0f19;
  --bg-secondary: #0f172a;
  --bg-tertiary: #1e293b;
  --bg-card: rgba(15, 23, 42, 0.75);
  --border-card: rgba(51, 65, 85, 0.6);
  --border-hover: rgba(56, 189, 248, 0.45);
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  
  --shadow-glow: 0 0 35px rgba(56, 189, 248, 0.22);
  
  --glass-bg: rgba(15, 23, 42, 0.85);
  --glass-border: rgba(255, 255, 255, 0.08);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 9px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-card);
  border-radius: 6px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--brand-primary);
}

/* Selection */
::selection {
  background: rgba(2, 132, 199, 0.25);
  color: var(--brand-primary);
}

/* Glassmorphism Classes */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-card);
}

.glass-nav {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-card);
}

/* Gradient Text */
.text-gradient {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-amber {
  background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-emerald {
  background: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Background Gradients & Accents */
.hero-glow-1 {
  position: absolute;
  top: -10%;
  left: 20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(2, 132, 199, 0.15) 0%, rgba(5, 150, 105, 0.08) 50%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
}

.hero-glow-2 {
  position: absolute;
  top: 15%;
  right: 5%;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.14) 0%, rgba(217, 119, 6, 0.08) 50%, transparent 70%);
  filter: blur(70px);
  pointer-events: none;
  z-index: 0;
}

/* Cards & Interactions */
.card-hover {
  transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}
.card-hover:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  border-color: var(--border-hover);
}

/* Pulse Animation */
@keyframes subtlePulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.9;
  }
  50% {
    transform: scale(1.04);
    opacity: 1;
  }
}

.pulse-subtle {
  animation: subtlePulse 4s infinite ease-in-out;
}

/* Float Animation */
@keyframes floatAnimation {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-8px);
  }
}

.float-element {
  animation: floatAnimation 5s infinite ease-in-out;
}

/* Timeline Custom Styles */
.timeline-stem {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 24px;
  width: 2px;
  background: linear-gradient(to bottom, var(--brand-emerald), var(--brand-primary), var(--brand-indigo));
}

@media (min-width: 768px) {
  .timeline-center-stem {
    left: 50%;
    transform: translateX(-50%);
  }
}

/* Audio Player Mockup */
.audio-progress {
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 9999px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.audio-progress-bar {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 35%;
  background: var(--brand-gradient);
  border-radius: 9999px;
  transition: width 0.15s linear;
}

/* Toast Notification */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 12px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-card);
  border-radius: 14px;
  box-shadow: var(--shadow-xl);
  font-size: 0.925rem;
  font-weight: 500;
  animation: slideInToast 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  max-width: 380px;
}

@keyframes slideInToast {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Search Modal Overlay */
.modal-overlay {
  background-color: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(8px);
}

/* Tag Pill */
.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 0.775rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Custom Scroll Lock for Modals */
body.modal-open {
  overflow: hidden;
}

/* Print Styling */
@media print {
  .no-print {
    display: none !important;
  }
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }
}