/* Custom Styles & Design System for Ulugbek Jovliev Portfolio */

:root {
  --bg-primary: #0a0f1d;
  --bg-secondary: #0f172a;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(56, 189, 248, 0.3);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-indigo: #6366f1;
  --accent-amber: #f59e0b;
  --accent-blue: #3b82f6;
  --terminal-bg: #030712;
  --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --glow-shadow: 0 0 25px rgba(6, 182, 212, 0.15);
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  --border-color: rgba(0, 0, 0, 0.08);
  --border-glow: rgba(14, 165, 233, 0.4);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --terminal-bg: #0f172a;
  --card-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.07);
  --glow-shadow: 0 0 25px rgba(14, 165, 233, 0.12);
}

* {
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.font-mono {
  font-family: 'JetBrains Mono', monospace, Consolas;
}

/* Background Grid Pattern */
.bg-grid-pattern {
  background-size: 40px 40px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
}

[data-theme="light"] .bg-grid-pattern {
  background-image: 
    linear-gradient(to right, rgba(0, 0, 0, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.04) 1px, transparent 1px);
}

/* Glassmorphism Card */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  box-shadow: var(--card-shadow);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  box-shadow: var(--glow-shadow);
}

/* Status indicator pulse */
@keyframes ping-slow {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.6); opacity: 0.4; }
  100% { transform: scale(1); opacity: 1; }
}

.pulse-indicator {
  animation: ping-slow 2.5s infinite ease-in-out;
}

/* Gradient Texts */
.gradient-text-cyan {
  background: linear-gradient(135deg, #38bdf8 0%, #06b6d4 50%, #10b981 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-indigo {
  background: linear-gradient(135deg, #818cf8 0%, #6366f1 50%, #a855f7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Glowing border button */
.btn-glow {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.btn-glow::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 60%);
  opacity: 0;
  transform: scale(0.5);
  transition: opacity 0.3s, transform 0.3s;
}

.btn-glow:hover::after {
  opacity: 1;
  transform: scale(1);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: #334155;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #0ea5e9;
}

/* Interactive DevOps Terminal */
.terminal-window {
  background: var(--terminal-bg);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.7);
  overflow: hidden;
}

.terminal-header {
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}

.terminal-body {
  padding: 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  line-height: 1.6;
  max-height: 380px;
  overflow-y: auto;
  color: #e2e8f0;
}

.terminal-input {
  background: transparent;
  border: none;
  outline: none;
  color: #38bdf8;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  width: calc(100% - 180px);
}

/* Timeline component */
.timeline-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 20px;
  width: 2px;
  background: linear-gradient(to bottom, #06b6d4, #6366f1, #3b82f6);
}

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

/* Toast Notification */
.toast-box {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  background: #0f172a;
  color: #f8fafc;
  border: 1px solid #06b6d4;
  border-radius: 8px;
  padding: 12px 20px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  gap: 12px;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: all 0.3s ease;
}

.toast-box.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

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

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

/* Skills chip */
.tech-pill {
  transition: all 0.2s ease;
}

.tech-pill:hover {
  transform: translateY(-2px);
}

/* Filter state */
.skill-card-item.is-hidden {
  display: none !important;
}