/* ==========================================================================
   STUDIO VISUALS 2027 - DESIGN SYSTEM & STYLESHEET
   Hyper-Modern Cyber-Luxe / Quantum Glassmorphic Aesthetic
   ========================================================================== */

:root {
  /* Color Tokens */
  --bg-space: #06080d;
  --bg-surface: rgba(13, 17, 26, 0.75);
  --bg-surface-elevated: rgba(22, 28, 42, 0.85);
  --bg-glass: rgba(18, 24, 38, 0.55);
  --bg-glass-active: rgba(30, 41, 64, 0.7);

  /* Primary Accent Themes (Customizable) */
  --accent-primary: #6366f1; /* Cyber Indigo */
  --accent-glow: rgba(99, 102, 241, 0.45);
  --accent-secondary: #06b6d4; /* Neon Cyan */
  --accent-tertiary: #a855f7; /* Quantum Violet */
  --accent-success: #10b981; /* Emerald Pulse */
  --accent-warning: #f59e0b; /* Amber */
  --accent-danger: #f43f5e; /* Rose Laser */

  /* Text & Specular */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(99, 102, 241, 0.4);

  /* Fonts */
  --font-sans: 'Outfit', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Elevations & Shadows */
  --glow-sm: 0 0 15px var(--accent-glow);
  --glow-md: 0 0 30px var(--accent-glow);
  --glow-lg: 0 0 60px var(--accent-glow);
  --shadow-glass: 0 20px 50px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.1);

  /* Transitions */
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s var(--ease-spring);
  --transition-normal: 0.35s var(--ease-spring);
}

/* Theme Varients */
[data-theme="cyan"] {
  --accent-primary: #06b6d4;
  --accent-glow: rgba(6, 182, 212, 0.45);
  --border-glow: rgba(6, 182, 212, 0.4);
}
[data-theme="violet"] {
  --accent-primary: #a855f7;
  --accent-glow: rgba(168, 85, 247, 0.45);
  --border-glow: rgba(168, 85, 247, 0.4);
}
[data-theme="emerald"] {
  --accent-primary: #10b981;
  --accent-glow: rgba(16, 185, 129, 0.45);
  --border-glow: rgba(16, 185, 129, 0.4);
}
[data-theme="amber"] {
  --accent-primary: #f59e0b;
  --accent-glow: rgba(245, 158, 11, 0.45);
  --border-glow: rgba(245, 158, 11, 0.4);
}

/* ==========================================================================
   RESET & CORE BASE
   ========================================================================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  min-height: 100vh;
  background-color: var(--bg-space);
  color: var(--text-primary);
  font-family: var(--font-sans);
  overflow-x: hidden;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--accent-primary);
  color: #fff;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: rgba(8, 11, 18, 0.8);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

/* ==========================================================================
   BACKGROUND CANVAS & MESH
   ========================================================================== */
#quantum-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.65;
}

.ambient-lights {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.28;
  animation: floatOrb 22s infinite alternate ease-in-out;
}
.ambient-orb-1 {
  width: 650px;
  height: 650px;
  background: var(--accent-primary);
  top: -150px;
  left: 15%;
}
.ambient-orb-2 {
  width: 550px;
  height: 550px;
  background: var(--accent-secondary);
  bottom: -100px;
  right: 10%;
  animation-duration: 28s;
}
.ambient-orb-3 {
  width: 450px;
  height: 450px;
  background: var(--accent-tertiary);
  top: 45%;
  left: 60%;
  animation-duration: 18s;
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(60px, -40px) scale(1.1); }
  100% { transform: translate(-40px, 50px) scale(0.95); }
}

/* ==========================================================================
   PRELOADER - DEVELOPER ICON & DIAGNOSTIC BOOT SEQUENCE
   ========================================================================== */
#preloader {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at center, #0f1422 0%, #05070a 100%);
  z-index: 99999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s var(--ease-spring), visibility 0.8s var(--ease-spring);
}

#preloader.loaded {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 520px;
  width: 90%;
  padding: 2.5rem;
}

/* 2027 Holographic Developer Icon */
.dev-icon-wrapper {
  position: relative;
  width: 140px;
  height: 140px;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dev-icon-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px dashed rgba(99, 102, 241, 0.4);
  animation: rotateRing 14s linear infinite;
}

.dev-icon-ring-inner {
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  border: 2px solid transparent;
  border-top-color: var(--accent-secondary);
  border-bottom-color: var(--accent-primary);
  animation: rotateRingRev 6s linear infinite;
}

.dev-hex-badge {
  position: relative;
  width: 86px;
  height: 86px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.25), rgba(6, 182, 212, 0.15));
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glass), 0 0 35px var(--accent-glow);
  animation: pulseBadge 3s ease-in-out infinite;
}

.dev-icon-svg {
  width: 48px;
  height: 48px;
  filter: drop-shadow(0 0 8px var(--accent-secondary));
}

@keyframes rotateRing {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes rotateRingRev {
  from { transform: rotate(360deg); }
  to { transform: rotate(0deg); }
}
@keyframes pulseBadge {
  0%, 100% { transform: scale(1); filter: drop-shadow(0 0 15px var(--accent-glow)); }
  50% { transform: scale(1.06); filter: drop-shadow(0 0 30px var(--accent-secondary)); }
}

.loader-title {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #fff 30%, var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.loader-subtitle {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 1.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.loader-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-success);
  box-shadow: 0 0 10px var(--accent-success);
  animation: blink 1.2s infinite ease-in-out;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* Progress Bar */
.loader-bar-wrap {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.5);
  margin-bottom: 1.2rem;
}

.loader-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary), #fff);
  border-radius: 999px;
  box-shadow: 0 0 14px var(--accent-secondary);
  transition: width 0.15s ease-out;
}

.loader-metrics {
  display: flex;
  justify-content: space-between;
  width: 100%;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.loader-percent {
  color: var(--accent-secondary);
  font-weight: 600;
}

/* Diagnostic Boot Ticker */
.loader-terminal {
  width: 100%;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 0.85rem 1.2rem;
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-align: left;
  height: 48px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.terminal-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.terminal-prefix {
  color: var(--accent-primary);
  font-weight: 700;
}

/* ==========================================================================
   NAVIGATION BAR (QUANTUM HEADER)
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(7, 9, 14, 0.7);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition-normal);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: var(--text-primary);
  cursor: pointer;
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 16px var(--accent-glow);
}

.brand-text {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-badge {
  font-size: 0.65rem;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  background: rgba(99, 102, 241, 0.2);
  border: 1px solid var(--border-glow);
  color: var(--accent-secondary);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Header Nav Links */
.header-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
  transition: var(--transition-fast);
  cursor: pointer;
}

.nav-link:hover, .nav-link.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

/* Header Controls */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.cmd-k-btn {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
  font-size: 0.82rem;
  font-family: var(--font-mono);
  cursor: pointer;
  transition: var(--transition-fast);
}

.cmd-k-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.cmd-badge {
  background: rgba(255, 255, 255, 0.1);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-size: 0.7rem;
}

/* Icon Buttons */
.btn-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}
.btn-icon:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-glow);
}
.btn-icon.active {
  color: var(--accent-secondary);
  border-color: var(--accent-secondary);
}

/* User Pill in Header */
.user-pill {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.3rem 0.85rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  cursor: pointer;
  transition: var(--transition-fast);
}
.user-pill:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--border-glow);
}
.user-avatar-mini {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
}
.user-pill-name {
  font-size: 0.85rem;
  font-weight: 600;
}

/* ==========================================================================
   BUTTON SYSTEM (CYBER BUTTONS)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.65rem 1.4rem;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: 12px;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-fast);
  border: 1px solid transparent;
  outline: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
  filter: brightness(1.1);
}

.btn-glow {
  position: relative;
  overflow: hidden;
}
.btn-glow::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.25) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.btn-glow:hover::after {
  opacity: 1;
}

.btn-glass {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  border-color: var(--border-subtle);
  backdrop-filter: blur(12px);
}
.btn-glass:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.btn-danger {
  background: rgba(244, 63, 94, 0.15);
  color: #fb7185;
  border-color: rgba(244, 63, 94, 0.3);
}
.btn-danger:hover {
  background: rgba(244, 63, 94, 0.25);
  color: #fff;
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.82rem;
  border-radius: 8px;
}

/* ==========================================================================
   MAIN VIEW CONTAINER
   ========================================================================== */
.main-content {
  position: relative;
  z-index: 1;
  padding-top: 5rem;
  min-height: 100vh;
}

/* ==========================================================================
   SECTION: WELCOME HERO (WELCOME EKA)
   ========================================================================== */
.welcome-hero {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  padding: 4.5rem 2rem 5rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid var(--border-glow);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--accent-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 2rem;
  animation: fadeInDown 0.8s ease-out;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  max-width: 900px;
}

.gradient-text {
  background: linear-gradient(135deg, #ffffff 15%, var(--accent-secondary) 60%, var(--accent-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-bottom: 4rem;
  flex-wrap: wrap;
  justify-content: center;
}

/* Live Telemetry Bar in Hero */
.hero-telemetry-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.2rem;
  width: 100%;
  max-width: 1040px;
}

.telemetry-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-glass);
  text-align: left;
  transition: var(--transition-fast);
}
.telemetry-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glass), var(--glow-sm);
}

.telemetry-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(99, 102, 241, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-secondary);
}

.telemetry-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-mono);
}

.telemetry-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  font-family: var(--font-mono);
}

/* ==========================================================================
   FEATURE CARDS (INTERACTIVE 2027 PREVIEW)
   ========================================================================== */
.features-section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem 2rem 5rem 2rem;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 2rem;
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
  transition: transform 0.4s var(--ease-spring), border-color 0.4s ease, box-shadow 0.4s ease;
  cursor: pointer;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glass), var(--glow-md);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-secondary), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.feature-card:hover::before {
  opacity: 1;
}

.feature-icon-badge {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(6, 182, 212, 0.1));
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--accent-secondary);
}

.feature-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.feature-card-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.feature-card-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-primary);
}

/* ==========================================================================
   SAMPLE MENU WORKSPACE (SAMPAL MENU EKA)
   ========================================================================== */
.workspace-container {
  max-width: 1360px;
  margin: 0 auto;
  padding: 1.5rem 2rem 5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Sub-header inside Sample Menu */
.workspace-banner {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 1.5rem 2rem;
  backdrop-filter: blur(24px);
  box-shadow: var(--shadow-glass);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.2rem;
}

.banner-left {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.banner-avatar {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  box-shadow: var(--glow-sm);
}

.banner-title {
  font-size: 1.35rem;
  font-weight: 800;
}

.banner-status {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-success);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.banner-actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

/* Navigation Tabs */
.workspace-nav {
  display: flex;
  gap: 0.6rem;
  background: rgba(13, 17, 26, 0.6);
  border: 1px solid var(--border-subtle);
  padding: 0.4rem;
  border-radius: 16px;
  backdrop-filter: blur(20px);
  overflow-x: auto;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 1.2rem;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: 12px;
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.tab-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
  color: #fff;
  background: var(--bg-surface-elevated);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-glow);
}

/* Tab Panels */
.tab-panel {
  display: none;
  animation: fadeIn 0.4s ease-out;
}
.tab-panel.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Overview Tab Grid */
.overview-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 960px) {
  .overview-grid {
    grid-template-columns: 1fr;
  }
}

.glass-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 1.8rem;
  backdrop-filter: blur(24px);
  box-shadow: var(--shadow-glass);
}

.panel-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* SQLite Project CRUD Manager Section */
.projects-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-btn {
  padding: 0.4rem 0.8rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--accent-primary);
  color: #fff;
  border-color: var(--accent-primary);
}

.search-input-wrap {
  position: relative;
  min-width: 240px;
}
.search-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 0.5rem 0.85rem 0.5rem 2.2rem;
  color: #fff;
  font-size: 0.85rem;
  outline: none;
  transition: var(--transition-fast);
}
.search-input:focus {
  border-color: var(--accent-secondary);
  box-shadow: 0 0 12px var(--accent-glow);
}
.search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

/* Project Cards Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 1.25rem;
}

.project-card {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-fast);
  position: relative;
}
.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glass), var(--glow-sm);
}

.project-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 0.85rem;
}

.project-cat-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-secondary);
  border: 1px solid var(--border-glow);
}

.project-status-pill {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  cursor: pointer;
  transition: var(--transition-fast);
}
.status-Active {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}
.status-In-Review, .status-InReview {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}
.status-Completed {
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.project-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.project-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1.2rem;
  flex-grow: 1;
}

.project-progress-wrap {
  margin-bottom: 1.2rem;
}
.progress-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}
.progress-bar-bg {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  transition: width 0.4s ease;
}

.project-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-subtle);
}

.star-btn {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-family: var(--font-mono);
  cursor: pointer;
  transition: var(--transition-fast);
}
.star-btn:hover {
  color: #fbbf24;
}

.project-ctrls {
  display: flex;
  gap: 0.4rem;
}

/* ==========================================================================
   DEVELOPER TOOLS TAB
   ========================================================================== */
.dev-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 1.5rem;
}

.tool-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 1.5rem;
  backdrop-filter: blur(20px);
}

.tool-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}
.tool-title {
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tool-textarea {
  width: 100%;
  height: 140px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 0.75rem;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  outline: none;
  resize: vertical;
  margin-bottom: 0.85rem;
}
.tool-textarea:focus {
  border-color: var(--accent-secondary);
}

.tool-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* ==========================================================================
   AUTHENTICATION MODAL (LOGIN MENU EKA)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(3, 5, 8, 0.8);
  backdrop-filter: blur(16px);
  z-index: 20000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s var(--ease-spring), visibility 0.3s;
  padding: 1.5rem;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.auth-card {
  position: relative;
  width: 100%;
  max-width: 440px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-glow);
  border-radius: 24px;
  padding: 2.5rem;
  box-shadow: var(--shadow-glass), var(--glow-md);
  transform: scale(0.92) translateY(20px);
  transition: transform 0.4s var(--ease-spring);
}

.modal-overlay.open .auth-card {
  transform: scale(1) translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}
.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}
.auth-logo-badge {
  width: 58px;
  height: 58px;
  margin: 0 auto 1.2rem auto;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--glow-sm);
}
.auth-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.4rem;
}
.auth-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.auth-tabs {
  display: flex;
  background: rgba(0, 0, 0, 0.35);
  border-radius: 12px;
  padding: 0.3rem;
  margin-bottom: 1.8rem;
  border: 1px solid var(--border-subtle);
}

.auth-tab {
  flex: 1;
  padding: 0.6rem;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: 9px;
  cursor: pointer;
  transition: var(--transition-fast);
}
.auth-tab.active {
  background: var(--accent-primary);
  color: #fff;
  box-shadow: 0 2px 10px var(--accent-glow);
}

/* Form Styles */
.form-group {
  margin-bottom: 1.2rem;
  text-align: left;
}
.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}
.input-with-icon {
  position: relative;
}
.input-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}
.form-input {
  width: 100%;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 0.75rem 1rem 0.75rem 2.6rem;
  color: #fff;
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition-fast);
}
.form-input:focus {
  border-color: var(--accent-secondary);
  box-shadow: 0 0 15px var(--accent-glow);
}

.demo-login-box {
  margin-top: 1.5rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border-subtle);
  text-align: center;
}
.demo-buttons-row {
  display: flex;
  gap: 0.7rem;
  margin-top: 0.8rem;
}

/* ==========================================================================
   COMMAND PALETTE (CTRL + K)
   ========================================================================== */
.palette-overlay {
  position: fixed;
  inset: 0;
  background: rgba(3, 5, 8, 0.75);
  backdrop-filter: blur(16px);
  z-index: 30000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 15vh;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s var(--ease-spring), visibility 0.25s;
}

.palette-overlay.open {
  opacity: 1;
  visibility: visible;
}

.palette-box {
  width: 100%;
  max-width: 580px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-glow);
  border-radius: 18px;
  box-shadow: var(--shadow-glass), var(--glow-lg);
  overflow: hidden;
  transform: translateY(-15px);
  transition: transform 0.3s var(--ease-spring);
}
.palette-overlay.open .palette-box {
  transform: translateY(0);
}

.palette-search-wrap {
  display: flex;
  align-items: center;
  padding: 1rem 1.4rem;
  border-bottom: 1px solid var(--border-subtle);
  gap: 0.8rem;
}
.palette-search-input {
  width: 100%;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 1.1rem;
  outline: none;
}

.palette-list {
  max-height: 320px;
  overflow-y: auto;
  padding: 0.5rem;
}

.palette-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  cursor: pointer;
  transition: var(--transition-fast);
}
.palette-item:hover, .palette-item.selected {
  background: rgba(255, 255, 255, 0.08);
}
.palette-item-left {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.palette-item-shortcut {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.06);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
}

/* ==========================================================================
   TOAST NOTIFICATION ENGINE
   ========================================================================== */
#toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  min-width: 300px;
  max-width: 420px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 0.9rem 1.2rem;
  backdrop-filter: blur(20px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  transform: translateX(120%);
  transition: transform 0.4s var(--ease-spring), opacity 0.4s;
}

.toast.show {
  transform: translateX(0);
}

.toast-success {
  border-color: rgba(16, 185, 129, 0.4);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7), 0 0 15px rgba(16, 185, 129, 0.2);
}
.toast-error {
  border-color: rgba(244, 63, 94, 0.4);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7), 0 0 15px rgba(244, 63, 94, 0.2);
}

.toast-msg {
  font-size: 0.85rem;
  color: #fff;
  flex-grow: 1;
}

/* Animations */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .site-header {
    padding: 0.8rem 1rem;
  }
  .header-nav {
    display: none;
  }
  .welcome-hero {
    padding: 3rem 1rem;
  }
  .hero-telemetry-bar {
    grid-template-columns: 1fr;
  }
  .workspace-container {
    padding: 1rem 1rem 4rem 1rem;
  }
  .workspace-banner {
    flex-direction: column;
    align-items: flex-start;
  }
}