/* ============================================
   GLASSMORPHIC STEALTH COMMAND CENTRE
   Design System & Core Styles
   ============================================ */

:root {
  --color-primary: #00F0FF;
  --color-primary-dim: rgba(0, 240, 255, 0.15);
  --color-primary-glow: rgba(0, 240, 255, 0.3);
  --color-bg: #07080A;
  --color-bg-elevated: #0D0F12;
  --color-surface: rgba(17, 19, 24, 0.5);
  --color-surface-solid: #111318;
  --color-text: #E2E8F0;
  --color-text-secondary: #94A3B8;
  --color-muted: #64748B;
  --color-accent: #8B5CF6;
  --color-accent-dim: rgba(139, 92, 246, 0.15);
  --color-danger: #FF2A55;
  --color-danger-dim: rgba(255, 42, 85, 0.15);
  --color-success: #00FF88;
  --color-success-dim: rgba(0, 255, 136, 0.15);
  --color-warning: #FFB800;
  --color-warning-dim: rgba(255, 184, 0, 0.15);
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-hover: rgba(0, 240, 255, 0.3);

  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --glass-blur: blur(12px);
  --glass-shadow: 0 24px 48px -12px rgba(0, 0, 0, 0.7);
  --glass-shadow-sm: 0 8px 24px -8px rgba(0, 0, 0, 0.5);
  --glass-inner-glow: inset 0 1px 0 rgba(255, 255, 255, 0.05);

  --sidebar-width: 240px;
  --ribbon-height: 64px;
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms ease;
}

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

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---- Noise Overlay ---- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url('../assets/noise.svg');
  background-repeat: repeat;
  opacity: 0.03;
  pointer-events: none;
  z-index: 9999;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* ---- Layout Shell ---- */
.app-layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  grid-template-rows: var(--ribbon-height) 1fr;
  grid-template-areas:
    "sidebar ribbon"
    "sidebar content";
  height: 100vh;
  overflow: hidden;
}

.app-sidebar {
  grid-area: sidebar;
  background: var(--color-bg-elevated);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  z-index: 10;
}

.app-ribbon {
  grid-area: ribbon;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 24px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  overflow-x: auto;
  z-index: 5;
}

.app-content {
  grid-area: content;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 24px;
}

/* ---- Glass Card ---- */
.glass {
  background: var(--color-surface);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--glass-shadow-sm), var(--glass-inner-glow);
  position: relative;
  transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.glass:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
  box-shadow: var(--glass-shadow), var(--glass-inner-glow);
}

.glass-static {
  background: var(--color-surface);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--glass-shadow-sm), var(--glass-inner-glow);
}

/* ---- Typography ---- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-text);
}

h1 { font-size: 32px; }
h2 { font-size: 24px; }
h3 { font-size: 18px; }
h4 { font-size: 15px; }

.text-muted {
  color: var(--color-muted);
}

.text-primary {
  color: var(--color-primary);
}

.text-accent {
  color: var(--color-accent);
}

.text-danger {
  color: var(--color-danger);
}

.text-small {
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-muted);
}

/* ---- Sidebar ---- */
.sidebar-logo {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-logo h2 {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.sidebar-logo span {
  color: var(--color-primary);
}

.sidebar-nav {
  padding: 12px 0;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  color: var(--color-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
  cursor: pointer;
}

.nav-item:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.03);
}

.nav-item.active {
  color: var(--color-primary);
  border-left-color: var(--color-primary);
  background: var(--color-primary-dim);
}

.nav-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--color-border);
}

.sidebar-team-avatars {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.sidebar-team-avatars img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.sidebar-team-avatars img:hover {
  opacity: 1;
}

/* ---- Metric Ribbon ---- */
.ribbon-metric {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  min-width: 180px;
  flex-shrink: 0;
}

.ribbon-metric-value {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
}

.ribbon-metric-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-muted);
}

.ribbon-sparkline {
  width: 60px;
  height: 24px;
}

/* ---- Badges & Tags ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-primary {
  background: var(--color-primary-dim);
  color: var(--color-primary);
}

.badge-accent {
  background: var(--color-accent-dim);
  color: var(--color-accent);
}

.badge-danger {
  background: var(--color-danger-dim);
  color: var(--color-danger);
}

.badge-success {
  background: var(--color-success-dim);
  color: var(--color-success);
}

.badge-warning {
  background: var(--color-warning-dim);
  color: var(--color-warning);
}

/* ---- Pulse Animation (for blocked items) ---- */
@keyframes pulse-danger {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 42, 85, 0.4); }
  50% { box-shadow: 0 0 0 6px rgba(255, 42, 85, 0); }
}

.pulse-danger {
  animation: pulse-danger 2s infinite;
}

/* ---- Glow Animation ---- */
@keyframes glow-primary {
  0%, 100% { box-shadow: 0 0 8px rgba(0, 240, 255, 0.2); }
  50% { box-shadow: 0 0 20px rgba(0, 240, 255, 0.4); }
}

.glow-primary {
  animation: glow-primary 3s infinite;
}

/* ---- Fade In ---- */
@keyframes fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fade-in 0.4s ease forwards;
}

/* ---- Shimmer Loading ---- */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-surface) 25%,
    rgba(255, 255, 255, 0.04) 50%,
    var(--color-surface) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

/* ---- Utilisation Bar ---- */
.util-bar {
  height: 4px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.util-bar-fill {
  height: 100%;
  border-radius: 2px;
  transition: width var(--transition-normal);
}

.util-bar-fill.green { background: var(--color-success); }
.util-bar-fill.amber { background: var(--color-warning); }
.util-bar-fill.red { background: var(--color-danger); }

/* ---- Progress Bar ---- */
.progress-bar {
  height: 3px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 2px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: 2px;
  transition: width var(--transition-normal);
}

/* ---- Avatar ---- */
.avatar {
  border-radius: 50%;
  border: 1px solid var(--color-border);
}

.avatar-sm { width: 24px; height: 24px; }
.avatar-md { width: 32px; height: 32px; }
.avatar-lg { width: 40px; height: 40px; }

/* ---- Kanban ---- */
.kanban-board {
  display: flex;
  gap: 16px;
  height: 100%;
  overflow-x: auto;
  padding-bottom: 16px;
}

.kanban-column {
  flex: 0 0 320px;
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - var(--ribbon-height) - 48px - 60px);
}

.kanban-column-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  margin-bottom: 12px;
}

.kanban-column-body {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 4px;
}

/* ---- Chart Container ---- */
.chart-container {
  position: relative;
  width: 100%;
}

.chart-container canvas {
  max-width: 100%;
}

/* ---- Split Layout ---- */
.split-layout {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 24px;
  height: calc(100vh - var(--ribbon-height) - 48px);
}

/* ---- Timeline ---- */
.timeline-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-left: 2px solid rgba(255, 255, 255, 0.06);
  padding-left: 16px;
  position: relative;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -5px;
  top: 16px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-muted);
}

.timeline-item.type-pr::before { background: var(--color-primary); }
.timeline-item.type-doc::before { background: var(--color-accent); }
.timeline-item.type-jira::before { background: var(--color-warning); }

/* ---- Modal / Overlay ---- */
.overlay-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
}

.overlay-panel {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  max-width: 640px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  padding: 24px;
}

/* ---- Filter Buttons ---- */
.filter-group {
  display: flex;
  gap: 4px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 3px;
}

.filter-btn {
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-muted);
  background: transparent;
  border: none;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--color-text);
}

.filter-btn.active {
  color: var(--color-primary);
  background: var(--color-primary-dim);
}

/* ---- Utility ---- */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }
.p-4 { padding: 16px; }
.p-5 { padding: 20px; }
.p-6 { padding: 24px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.w-full { width: 100%; }
.text-center { text-align: center; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.grid-2x2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.masonry-3 { column-count: 3; column-gap: 24px; }
.masonry-3 > * { break-inside: avoid; margin-bottom: 24px; }

/* ---- Task Node Hover (replaces inline handlers) ---- */
.task-node:hover {
  border-color: rgba(0, 240, 255, 0.2) !important;
  transform: translateY(-1px) !important;
}

/* ---- Settings Flyout ---- */
.settings-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0);
  transition: background 0.25s ease;
  z-index: 90;
}

.settings-backdrop.open {
  background: rgba(0, 0, 0, 0.5);
}

.settings-panel {
  position: fixed;
  top: 0;
  right: -400px;
  width: 380px;
  max-width: 90vw;
  height: 100vh;
  background: var(--color-bg-elevated);
  border-left: 1px solid var(--color-border);
  box-shadow: -16px 0 48px rgba(0, 0, 0, 0.5);
  padding: 24px;
  overflow-y: auto;
  z-index: 100;
  transition: right 0.25s ease;
}

.settings-panel.open {
  right: 0;
}

.settings-field {
  margin-bottom: 14px;
}

.settings-field label {
  display: block;
  margin-bottom: 6px;
}

.settings-input {
  width: 100%;
  padding: 8px 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 13px;
  outline: none;
  transition: border-color var(--transition-fast);
}

.settings-input:focus {
  border-color: var(--color-primary);
}

.settings-input::placeholder {
  color: var(--color-muted);
}

select.settings-input {
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748B' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
}

select.settings-input option {
  background: var(--color-bg-elevated);
  color: var(--color-text);
}

.settings-action-btn {
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-body);
}

.settings-action-btn:hover {
  filter: brightness(1.2);
}

/* ---- Responsive Design ---- */

/* Tablet: collapse sidebar to icons only */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 64px;
  }

  .sidebar-logo h2,
  .sidebar-logo .text-small,
  .nav-item span,
  .sidebar-footer .text-small,
  #settings-btn span {
    display: none;
  }

  .sidebar-logo {
    padding: 16px;
    text-align: center;
  }

  .nav-item {
    justify-content: center;
    padding: 12px;
    border-left: none;
    border-bottom: 2px solid transparent;
  }

  .nav-item.active {
    border-left-color: transparent;
    border-bottom-color: var(--color-primary);
  }

  .sidebar-team-avatars {
    justify-content: center;
  }

  .sidebar-team-avatars img:nth-child(n+5) {
    display: none;
  }

  .kanban-column {
    flex: 0 0 280px;
  }

  .grid-2x2 {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .split-layout {
    grid-template-columns: 1fr 2fr;
  }

  .app-content {
    padding: 16px;
  }

  .ribbon-metric {
    min-width: 150px;
    padding: 6px 12px;
  }
}

/* Mobile: sidebar becomes bottom tab bar */
@media (max-width: 640px) {
  .app-layout {
    grid-template-columns: 1fr;
    grid-template-rows: var(--ribbon-height) 1fr 56px;
    grid-template-areas:
      "ribbon"
      "content"
      "sidebar";
  }

  .app-sidebar {
    flex-direction: row;
    overflow-x: auto;
    overflow-y: hidden;
    border-right: none;
    border-top: 1px solid var(--color-border);
  }

  .sidebar-logo,
  .sidebar-footer,
  #settings-btn {
    display: none;
  }

  .sidebar-nav {
    display: flex;
    flex-direction: row;
    padding: 0;
    width: 100%;
    justify-content: space-around;
  }

  .nav-item {
    flex-direction: column;
    gap: 2px;
    padding: 8px 12px;
    font-size: 10px;
    border-left: none;
    border-top: 2px solid transparent;
  }

  .nav-item span {
    display: block;
  }

  .nav-item.active {
    border-left-color: transparent;
    border-top-color: var(--color-primary);
  }

  .nav-item svg {
    width: 18px;
    height: 18px;
  }

  .grid-2x2 {
    grid-template-columns: 1fr;
  }

  .split-layout {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr 1fr;
    height: auto;
  }

  .kanban-board {
    flex-direction: column;
  }

  .kanban-column {
    flex: 0 0 auto;
    max-height: none;
  }

  .app-ribbon {
    padding: 0 12px;
    gap: 8px;
  }

  .ribbon-metric {
    min-width: 130px;
    padding: 4px 8px;
  }

  .ribbon-metric-value {
    font-size: 16px;
  }

  .app-content {
    padding: 12px;
    overflow-y: auto;
  }

  .overlay-panel {
    max-width: 100%;
    width: 95%;
    max-height: 90vh;
    margin: 12px;
  }

  .settings-panel {
    width: 100%;
    max-width: 100%;
  }
}