/* ============================================================
   PORTFOLIO — STYLE.CSS
   Theme: Ultra Tech Modern (Deep Space Dark / Cyber Neon Accent)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Prompt:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@400;600;700&display=swap');

:root {
  /* Cyber Tech Neon Accents */
  --primary:        #06b6d4;         /* Electric Cyan */
  --primary-glow:   rgba(6, 182, 212, 0.45);
  --primary-subtle: rgba(6, 182, 212, 0.12);
  --secondary:      #8b5cf6;       /* Neon Purple */
  --secondary-glow: rgba(139, 92, 246, 0.4);
  --accent-gradient: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #8b5cf6 100%);
  
  /* Dark Tech Theme (Default) */
  --bg-main:        #07090e;
  --bg-surface:     rgba(13, 17, 26, 0.75);
  --bg-surface-elevated: rgba(20, 27, 41, 0.85);
  --border-color:   rgba(255, 255, 255, 0.08);
  --border-glow:    rgba(6, 182, 212, 0.3);
  --text-main:      #f1f5f9;
  --text-muted:     #94a3b8;
  --header-bg:      rgba(7, 9, 14, 0.8);
  --card-shadow:    0 10px 30px -10px rgba(0, 0, 0, 0.7);
}

[data-theme="light"] {
  --primary:        #0284c7;
  --primary-glow:   rgba(2, 132, 199, 0.35);
  --primary-subtle: rgba(2, 132, 199, 0.08);
  --secondary:      #7c3aed;
  --secondary-glow: rgba(124, 58, 237, 0.3);
  --accent-gradient: linear-gradient(135deg, #0284c7 0%, #2563eb 50%, #7c3aed 100%);

  --bg-main:        #f8fafc;
  --bg-surface:     rgba(255, 255, 255, 0.85);
  --bg-surface-elevated: #ffffff;
  --border-color:   rgba(0, 0, 0, 0.08);
  --border-glow:    rgba(2, 132, 199, 0.25);
  --text-main:      #0f172a;
  --text-muted:     #64748b;
  --header-bg:      rgba(248, 250, 252, 0.85);
  --card-shadow:    0 10px 25px -5px rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Prompt', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif !important;
}

html, body {
  scroll-behavior: smooth;
  font-family: 'Prompt', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif !important;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Background Cyber Tech Grid Effect */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, var(--border-color) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border-color) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 0%, #000 70%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 0%, #000 70%, transparent 100%);
  pointer-events: none;
  z-index: 0;
}

/* Background Glowing Orbs */
.glow-orb-1 {
  position: fixed;
  top: -100px;
  left: 20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
  filter: blur(80px);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}

.glow-orb-2 {
  position: fixed;
  top: 40%;
  right: -100px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--secondary-glow) 0%, transparent 70%);
  filter: blur(100px);
  opacity: 0.25;
  pointer-events: none;
  z-index: 0;
}

/* Tech Header (Top Nav) */
.tech-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.nav-pill {
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 9999px;
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.nav-pill:hover {
  color: var(--text-main);
  background: var(--primary-subtle);
}

.nav-pill.active {
  color: #fff;
  background: var(--accent-gradient);
  box-shadow: 0 0 15px var(--primary-glow);
  font-weight: 600;
}

/* Tech Cards with Glassmorphism */
.tech-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 1.25rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--card-shadow);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  position: relative;
  overflow: hidden;
}

.tech-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-glow);
  box-shadow: 0 15px 35px -10px rgba(0, 0, 0, 0.5), 0 0 20px var(--primary-subtle);
}

/* Gradient Tech Text */
.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* Section Title */
.tech-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--primary);
  background: var(--primary-subtle);
  border: 1px solid var(--border-glow);
  padding: 4px 12px;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 0.75rem;
}

/* Skill Tech Tags */
.skill-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 10px;
  font-size: 0.825rem;
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  transition: all 0.2s ease;
}

.skill-tag:hover {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 0 12px var(--primary-glow);
  transform: translateY(-2px);
}

/* Buttons */
.tech-btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  font-weight: 600;
  border-radius: 0.75rem;
  padding: 0.625rem 1.25rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 15px var(--primary-glow);
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
}

.tech-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px var(--primary-glow);
  opacity: 0.95;
}

.tech-btn-secondary {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-weight: 600;
  border-radius: 0.75rem;
  padding: 0.625rem 1.25rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
  cursor: pointer;
}

.tech-btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-subtle);
}

/* Filter Buttons */
.filter-btn {
  padding: 6px 16px;
  border-radius: 9999px;
  font-size: 0.825rem;
  font-weight: 600;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-btn.active, .filter-btn:hover {
  background: var(--primary-subtle);
  border-color: var(--primary);
  color: var(--primary);
}

.filter-btn.active {
  box-shadow: 0 0 12px var(--primary-subtle);
}

/* Status indicator pulse */
.status-dot {
  width: 8px;
  height: 8px;
  background-color: #10b981;
  border-radius: 50%;
  position: relative;
}

.status-dot::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  background-color: #10b981;
  opacity: 0.75;
  animation: ping 1.5s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes ping {
  75%, 100% {
    transform: scale(2);
    opacity: 0;
  }
}

/* Toast */
.toast {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 600;
  min-width: 260px;
  max-width: 380px;
  box-shadow: 0 12px 35px rgba(0,0,0,0.45);
  animation: slideIn 0.3s ease;
  border-left: 4px solid var(--primary);
  color: #fff;
  background: rgba(13, 17, 26, 0.95);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(12px);
}

@keyframes slideIn {
  from { transform: translateY(-20px); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}

.toast.removing {
  animation: fadeOut 0.3s ease forwards;
}

@keyframes fadeOut {
  from { opacity: 1; transform: translateY(0); }
  to   { opacity: 0; transform: translateY(-20px); }
}

/* Modals */
.modal-overlay {
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
}

.modal-box {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
}

.form-input {
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 10px var(--primary-glow);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}