/* ==========================================================================
   Jainam Shah — Developer Desk Portfolio CSS
   Inspired by aishashok.com Interactive Desk Aesthetic
   ========================================================================== */

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

:root {
  --bg-desk: #faf6f0;
  --bg-desk-dark: #12141d;
  --surface-paper: #ffffff;
  --surface-alt: #f5ede1;
  --border-desk: #21304f;
  --border-subtle: #d6cbbf;
  
  --text-main: #1e293b;
  --text-muted: #64748b;
  --ink: #0f172a;
  
  --accent-crimson: #e0483b;
  --accent-amber: #f59e0b;
  --accent-teal: #0d9488;
  --accent-indigo: #4f46e5;
  --accent-emerald: #10b981;
  
  --font-body: 'Manrope', -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --font-heading: 'Space Grotesk', sans-serif;
  
  --max-width: 1140px;
  --radius-sm: 8px;
  --radius: 16px;
  --radius-lg: 24px;
  
  --shadow-desk: 0 10px 30px -10px rgba(33, 48, 79, 0.12);
  --shadow-lift: 0 20px 40px -15px rgba(33, 48, 79, 0.22);
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Light Theme (Welcoming Warm Canvas) */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: radial-gradient(circle at 50% 12%, #fffdfa 0%, #faf5ee 45%, #f6eee3 100%);
  background-attachment: fixed;
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
  transition: background 0.4s ease, color 0.4s ease;
}

/* Dark Mode Toggle State */
body.dark-desk {
  --bg-desk: #0f111a;
  --surface-paper: #191c2b;
  --surface-alt: #23273b;
  --border-desk: #475569;
  --border-subtle: #334155;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --ink: #ffffff;
  --shadow-desk: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  background: radial-gradient(circle at 50% 12%, #181b29 0%, #0f111a 60%, #090b12 100%);
  background-attachment: fixed;
}

/* Dynamic Lamp Light Active State */
body.lamp-on {
  --bg-desk: #fef9c3;
  --surface-paper: #ffffff;
  --border-desk: #1e293b;
  background: radial-gradient(circle at 75% 20%, #fef3c7 0%, #fde68a 50%, #fef08a 100%);
  background-attachment: fixed;
}

body.dark-desk.lamp-on {
  --bg-desk: #1e1912;
  --surface-paper: #282117;
  --border-desk: #f59e0b;
  background: radial-gradient(circle at 75% 20%, #2e2316 0%, #1e1912 60%, #120e0a 100%);
  background-attachment: fixed;
}

body.lamp-on .exp-card,
body.lamp-on .app-card,
body.lamp-on .desk-crt-monitor,
body.lamp-on .paperclip-card,
body.lamp-on .skill-category-card {
  box-shadow: 0 12px 35px rgba(245, 158, 11, 0.3), 5px 5px 0px var(--border-desk) !important;
}

.mono {
  font-family: var(--font-mono);
  letter-spacing: -0.01em;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --- Header & Controls --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(250, 246, 240, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 2px solid var(--border-desk);
  transition: var(--transition);
}

body.dark-desk .site-header {
  background: rgba(15, 17, 26, 0.92);
  border-bottom-color: var(--border-desk);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

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

.brand-logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--ink);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.2rem 0.6rem;
  background: var(--border-desk);
  color: #fff;
  border-radius: 99px;
  font-weight: 600;
}

/* Header Action Buttons */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Lamp Toggle Button in Header */
.lamp-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.85rem;
  background: var(--surface-paper);
  border: 2px solid var(--border-desk);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.825rem;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
  box-shadow: 2px 2px 0px var(--border-desk);
  transition: var(--transition);
}

.lamp-toggle-btn:hover {
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0px var(--border-desk);
}

body.lamp-on .lamp-toggle-btn {
  background: #fef08a;
  border-color: #d97706;
  color: #78350f;
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.6);
}

/* Retro Live Digital Clock */
.retro-timer {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  background: var(--surface-paper);
  border: 2px solid var(--border-desk);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  box-shadow: 2px 2px 0px var(--border-desk);
  transition: var(--transition);
}

.retro-timer:hover {
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0px var(--border-desk);
}

.rt-card {
  background: var(--border-desk);
  color: #6366f1;
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
}

.rt-colon {
  animation: blink 1s step-start infinite;
  color: var(--accent-crimson);
}

@keyframes blink { 50% { opacity: 0; } }

/* Main Nav Links */
.main-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
}

.main-nav a {
  font-weight: 600;
  font-size: 0.925rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
  padding: 0.4rem 0.6rem;
  border-radius: 6px;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--ink);
  background: rgba(79, 70, 229, 0.1);
}

.desk-theme-toggle {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 8px;
  border: 2px solid var(--border-desk);
  background: var(--surface-paper);
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 2px 2px 0px var(--border-desk);
  cursor: pointer;
  transition: var(--transition);
}

.desk-theme-toggle:hover {
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0px var(--border-desk);
}

/* --- Hero Section: The Developer Desk Canvas --- */
.hero-desk {
  position: relative;
  padding: 8.5rem 0 5rem;
  min-height: 85vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.lamp-ambient-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: radial-gradient(circle at 75% 25%, rgba(251, 191, 36, 0.42) 0%, rgba(245, 158, 11, 0.15) 45%, transparent 75%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s ease;
  z-index: 10;
}

body.lamp-on .lamp-ambient-glow {
  opacity: 1;
}

/* Light Beam Illustration */
.lamp-light-beam {
  position: absolute;
  top: -60px;
  right: 60px;
  width: 320px;
  height: 480px;
  background: linear-gradient(180deg, rgba(253, 224, 71, 0.6) 0%, rgba(251, 191, 36, 0.08) 85%, transparent 100%);
  clip-path: polygon(40% 0%, 60% 0%, 100% 100%, 0% 100%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 4;
}

body.lamp-on .lamp-light-beam {
  opacity: 1;
}

/* Desk Objects Grid Layout */
.desk-collage {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

/* Hero Center Intro */
.hero-intro {
  z-index: 5;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent-indigo);
  font-weight: 600;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-name {
  font-family: var(--font-heading);
  font-size: clamp(2.75rem, 5.5vw, 4.25rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 0.75rem;
  letter-spacing: -0.03em;
}

.hero-title-tag {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--accent-crimson);
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.hero-bio {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 540px;
}

.hero-bio strong {
  color: var(--ink);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.desk-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 10px;
  border: 2px solid var(--border-desk);
  text-decoration: none;
  transition: var(--transition);
  box-shadow: 3px 3px 0px var(--border-desk);
  cursor: pointer;
}

.btn-solid {
  background: var(--border-desk);
  color: #ffffff;
}

.btn-solid:hover {
  background: var(--accent-indigo);
  border-color: var(--accent-indigo);
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0px var(--border-desk);
}

.btn-paper {
  background: var(--surface-paper);
  color: var(--ink);
}

.btn-paper:hover {
  background: var(--bg-desk);
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0px var(--border-desk);
}

/* Interactive Desk Canvas Right Objects */
.desk-objects-canvas {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
  z-index: 5;
  padding-top: 1rem;
}

/* Floating Tab Bubble (aishashok.com style - Overflow Fix) */
.tab-bubble {
  position: absolute;
  top: -16px;
  right: 20px;
  background: var(--accent-crimson);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 99px;
  border: 2px solid var(--border-desk);
  box-shadow: 2px 2px 0px var(--border-desk);
  z-index: 30;
  transition: transform 0.2s ease, background 0.2s ease;
  pointer-events: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.desk-crt-monitor:hover .tab-bubble,
.paperclip-card:hover .tab-bubble {
  transform: translateY(-3px) scale(1.06);
  background: var(--accent-indigo);
}

/* Retro CRT Terminal Monitor Object (Clean Border & No Overflow Clipping) */
.desk-crt-monitor {
  background: #1e293b;
  border: 3.5px solid var(--border-desk);
  border-radius: var(--radius);
  padding: 1.6rem;
  color: #38bdf8;
  font-family: var(--font-mono);
  box-shadow: 6px 6px 0px var(--border-desk);
  position: relative;
  overflow: visible; /* Allows tab-bubble to float cleanly above border */
  cursor: pointer;
  transition: var(--transition);
}

.desk-crt-monitor:hover {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0px var(--border-desk);
}

.crt-scanlines {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%);
  background-size: 100% 4px;
  pointer-events: none;
  opacity: 0.5;
  border-radius: var(--radius);
  overflow: hidden;
}

.crt-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.85rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed #334155;
  font-size: 0.8rem;
  color: var(--accent-amber);
}

.crt-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: #f8fafc;
  margin-bottom: 0.5rem;
}

.crt-text {
  font-size: 0.85rem;
  color: #94a3b8;
  line-height: 1.55;
}

/* Paperclip Photo Card Object */
.paperclip-card {
  background: #fffbeb;
  border: 3.5px solid var(--border-desk);
  border-radius: var(--radius);
  padding: 1.6rem;
  box-shadow: 6px 6px 0px var(--border-desk);
  position: relative;
  overflow: visible;
  transition: var(--transition);
  cursor: pointer;
}

body.dark-desk .paperclip-card {
  background: #1e293b;
}

.paperclip-card:hover {
  transform: translate(-3px, -3px) rotate(-1deg);
  box-shadow: 9px 9px 0px var(--border-desk);
}

.paperclip-svg {
  position: absolute;
  top: -16px;
  left: 24px;
  width: 32px;
  height: 48px;
  z-index: 10;
}

.paperclip-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: var(--accent-crimson);
  color: #fff;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-weight: 600;
  display: inline-block;
  margin-bottom: 0.5rem;
}

.paperclip-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--ink);
  margin-bottom: 0.35rem;
}

.paperclip-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* --- Section Layouts --- */
.section {
  padding: 6rem 0;
  border-top: 2px solid var(--border-desk);
}

.section-alt {
  background: rgba(245, 237, 225, 0.45);
}

body.dark-desk .section-alt {
  background: rgba(35, 39, 59, 0.4);
}

.section-head {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.section-index {
  font-family: var(--font-mono);
  color: var(--accent-crimson);
  font-weight: 700;
  font-size: 1rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 3rem;
  max-width: 680px;
}

/* --- Experience Timeline Cards --- */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
}

.exp-card {
  background: var(--surface-paper);
  border: 2px solid var(--border-desk);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: 4px 4px 0px var(--border-desk);
  transition: var(--transition);
}

.exp-card:hover {
  transform: translateY(-3px);
  box-shadow: 7px 7px 0px var(--border-desk);
}

.exp-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.exp-company {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--ink);
}

.exp-date {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-indigo);
  font-weight: 600;
  background: rgba(79, 70, 229, 0.1);
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
  border: 1px solid rgba(79, 70, 229, 0.2);
}

.exp-role {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.exp-bullets {
  padding-left: 1.2rem;
  color: var(--text-main);
  font-size: 0.95rem;
}

.exp-bullets li {
  margin-bottom: 0.65rem;
  line-height: 1.65;
}

.exp-bullets li strong {
  color: var(--ink);
  background: rgba(245, 158, 11, 0.15);
  padding: 0.1rem 0.3rem;
  border-radius: 4px;
}

/* Metric Pill Badges */
.metric-pills {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
}

.metric-pill {
  font-family: var(--font-mono);
  font-size: 0.775rem;
  font-weight: 600;
  padding: 0.3rem 0.7rem;
  border-radius: 99px;
  background: var(--bg-desk);
  border: 1px solid var(--border-desk);
  color: var(--accent-emerald);
}

/* --- Apps & Projects Grid --- */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.app-card {
  background: var(--surface-paper);
  border: 2px solid var(--border-desk);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: 4px 4px 0px var(--border-desk);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
}

.app-card:hover {
  transform: translateY(-4px);
  box-shadow: 7px 7px 0px var(--border-desk);
}

.app-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  background: var(--border-desk);
  color: #fff;
  width: fit-content;
  margin-bottom: 0.75rem;
}

.app-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.app-desc {
  font-size: 0.925rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.app-tech-tags {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  background: var(--bg-desk);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
}

/* --- Skills Stack Badges Grid --- */
.skills-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.75rem;
}

.skill-category-card {
  background: var(--surface-paper);
  border: 2px solid var(--border-desk);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: 4px 4px 0px var(--border-desk);
}

.skill-category-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--ink);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skill-pills {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.skill-pill {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
  background: var(--bg-desk);
  border: 1.5px solid var(--border-desk);
  color: var(--ink);
}

/* --- Education Section --- */
.edu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
}

.edu-card {
  background: var(--surface-paper);
  border: 2px solid var(--border-desk);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: 4px 4px 0px var(--border-desk);
  transition: var(--transition);
}

.edu-card:hover {
  transform: translateY(-3px);
  box-shadow: 7px 7px 0px var(--border-desk);
}

.edu-deg {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.25rem;
}

.edu-school {
  font-size: 0.95rem;
  color: var(--accent-indigo);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.edu-courses {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* --- Footer --- */
.site-footer {
  padding: 3rem 0;
  border-top: 2px solid var(--border-desk);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

/* --- Modal Overlay & Dialog --- */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  background: var(--surface-paper);
  border: 3px solid var(--border-desk);
  border-radius: var(--radius-lg);
  max-width: 650px;
  width: 90%;
  padding: 2.25rem;
  box-shadow: 10px 10px 0px var(--border-desk);
  position: relative;
  transform: scale(0.92);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.open .modal-dialog {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 1rem; right: 1rem;
  width: 2rem; height: 2rem;
  border-radius: 50%;
  border: 2px solid var(--border-desk);
  background: var(--bg-desk);
  color: var(--ink);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --- Responsive Media Queries --- */
@media (max-width: 868px) {
  .desk-collage {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .main-nav {
    display: none;
  }
  
  .header-actions {
    gap: 0.4rem;
  }
}