/* ==========================================================================
   PAYTRACE AI - PRODUCT APPLICATION DESIGN SYSTEM
   Dark Forest & Sage Technical Enterprise UI
   Brand Palette:
     - Root Dark Bg: #03140E
     - Surface 1 (Sidebar/Cards): #062319
     - Surface 2 (Sub-cards/Elevated): #0A3326
     - Surface 3 (Hover/Selected): #0F4534
     - Border Subtle: rgba(200, 241, 105, 0.12)
     - Border Strong: rgba(200, 241, 105, 0.28)
     - Accent Lime: #C8F169
     - Accent Lime Glow: rgba(200, 241, 105, 0.25)
     - Text Primary: #F4F8F1
     - Text Secondary: #B8CCC0
     - Text Muted: #6F8E7E
     - Status Red: #FF5A5F
     - Status Yellow: #F6C343
     - Status Green: #2DD4BF
     - Status Blue: #38BDF8
   ========================================================================== */

:root {
  --app-bg: #03140e;
  --app-sidebar-bg: #051e15;
  --app-card-bg: #07291d;
  --app-card-hover: #0b3828;
  --app-elevated: #0f4432;
  
  --app-border: rgba(200, 241, 105, 0.14);
  --app-border-strong: rgba(200, 241, 105, 0.32);
  --app-border-subtle: rgba(255, 255, 255, 0.07);

  --app-lime: #c8f169;
  --app-lime-hover: #d7f884;
  --app-lime-dim: rgba(200, 241, 105, 0.12);
  --app-lime-glow: 0 0 16px rgba(200, 241, 105, 0.28);

  --app-text: #f3f7f0;
  --app-text-dim: #b5cebf;
  --app-text-muted: #6f8d7d;

  --app-danger: #ff5b5b;
  --app-danger-bg: rgba(255, 91, 91, 0.12);
  --app-warning: #f59e0b;
  --app-warning-bg: rgba(245, 158, 11, 0.12);
  --app-success: #10b981;
  --app-success-bg: rgba(16, 185, 129, 0.12);
  --app-info: #38bdf8;
  --app-info-bg: rgba(56, 189, 248, 0.12);

  --sidebar-width: 260px;
  --topbar-height: 64px;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace, Consolas;
}

/* App Reset & Layout */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body.app-body {
  background-color: var(--app-bg);
  color: var(--app-text);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  overflow-x: hidden;
  display: flex;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Typography Helpers */
.font-mono {
  font-family: var(--font-mono) !important;
}

.text-lime {
  color: var(--app-lime) !important;
}

.text-dim {
  color: var(--app-text-dim) !important;
}

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

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

.text-warning {
  color: var(--app-warning) !important;
}

.text-success {
  color: var(--app-success) !important;
}

.text-info {
  color: var(--app-info) !important;
}

/* App Shell Layout */
.app-shell {
  display: flex;
  width: 100vw;
  min-height: 100vh;
  position: relative;
}

/* ==========================================================================
   SIDEBAR NAVIGATION
   ========================================================================== */
.app-sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background-color: var(--app-sidebar-bg);
  border-right: 1px solid var(--app-border);
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: sticky;
  top: 0;
  z-index: 50;
  transition: transform 0.3s ease;
}

.sidebar-header {
  height: var(--topbar-height);
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--app-border-subtle);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--app-text);
}

.brand-logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: linear-gradient(135deg, #0f4534, #043f2e);
  border: 1px solid var(--app-lime);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--app-lime-glow);
}

.brand-logo-icon svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: var(--app-lime);
  stroke-width: 2;
}

.brand-text-wrap {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 4px;
}

.brand-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--app-lime);
  background: rgba(200, 241, 105, 0.12);
  padding: 1px 4px;
  border-radius: 3px;
  font-weight: 600;
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--app-text-muted);
  letter-spacing: 0.02em;
}

.sidebar-nav-container {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sidebar-group-title {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--app-text-muted);
  padding: 0 0.5rem;
  margin-bottom: 0.35rem;
}

.sidebar-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-nav-item a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  border-radius: 6px;
  color: var(--app-text-dim);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.15s ease;
  border: 1px solid transparent;
}

.sidebar-nav-item a:hover {
  background-color: var(--app-card-bg);
  color: #ffffff;
  border-color: var(--app-border-subtle);
}

.sidebar-nav-item.active a {
  background-color: rgba(200, 241, 105, 0.12);
  color: var(--app-lime);
  border-color: var(--app-border-strong);
  font-weight: 600;
}

.sidebar-nav-icon {
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.85;
}

.sidebar-nav-item.active .sidebar-nav-icon {
  opacity: 1;
  stroke: var(--app-lime);
}

.sidebar-badge {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: 10px;
  background-color: var(--app-elevated);
  color: var(--app-lime);
  border: 1px solid var(--app-border);
}

.sidebar-badge.pulse-badge {
  background-color: rgba(255, 91, 91, 0.2);
  color: var(--app-danger);
  border-color: rgba(255, 91, 91, 0.4);
}

.sidebar-footer {
  padding: 1rem 0.75rem;
  border-top: 1px solid var(--app-border-subtle);
  background-color: rgba(3, 20, 14, 0.6);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.sidebar-website-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 0.75rem;
  background-color: var(--app-card-bg);
  border: 1px solid var(--app-border);
  border-radius: 6px;
  color: var(--app-text-dim);
  text-decoration: none;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  transition: all 0.2s ease;
}

.sidebar-website-btn:hover {
  background-color: var(--app-elevated);
  color: var(--app-lime);
  border-color: var(--app-lime);
}

.sidebar-user-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.4rem;
}

.user-avatar-badge {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #0d3829;
  border: 1px solid var(--app-lime);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--app-lime);
}

.user-meta {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.user-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--app-text);
}

.user-role {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--app-text-muted);
}

/* ==========================================================================
   MAIN CONTENT AREA & TOPBAR
   ========================================================================== */
.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background-color: var(--app-bg);
}

.app-topbar {
  height: var(--topbar-height);
  background-color: rgba(5, 30, 21, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--app-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.75rem;
  position: sticky;
  top: 0;
  z-index: 40;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--app-border);
  color: var(--app-text);
  padding: 6px 8px;
  border-radius: 4px;
  cursor: pointer;
}

.topbar-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--app-text-muted);
}

.topbar-breadcrumb a {
  color: var(--app-text-dim);
  text-decoration: none;
}

.topbar-breadcrumb a:hover {
  color: var(--app-lime);
}

.topbar-breadcrumb .separator {
  opacity: 0.4;
}

.topbar-breadcrumb .current {
  color: #ffffff;
  font-weight: 600;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* SIMULATED DATA Prominent Badge */
.simulated-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--app-lime);
  background: rgba(200, 241, 105, 0.1);
  border: 1px solid var(--app-border-strong);
  padding: 4px 10px;
  border-radius: 20px;
  box-shadow: 0 0 12px rgba(200, 241, 105, 0.15);
}

.sim-pulse-dot {
  width: 7px;
  height: 7px;
  background-color: var(--app-lime);
  border-radius: 50%;
  animation: simPulse 2s infinite ease-in-out;
}

@keyframes simPulse {
  0% { transform: scale(0.9); opacity: 0.6; box-shadow: 0 0 0 0 rgba(200, 241, 105, 0.7); }
  70% { transform: scale(1.1); opacity: 1; box-shadow: 0 0 0 6px rgba(200, 241, 105, 0); }
  100% { transform: scale(0.9); opacity: 0.6; box-shadow: 0 0 0 0 rgba(200, 241, 105, 0); }
}

.system-stat-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--app-text-dim);
  background: var(--app-card-bg);
  border: 1px solid var(--app-border-subtle);
  padding: 4px 10px;
  border-radius: 6px;
}

.topbar-btn {
  background: var(--app-card-bg);
  border: 1px solid var(--app-border);
  color: var(--app-text);
  padding: 0.45rem 0.85rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.topbar-btn:hover {
  background: var(--app-elevated);
  border-color: var(--app-lime);
  color: var(--app-lime);
}

.topbar-btn-primary {
  background: var(--app-lime);
  border: 1px solid var(--app-lime);
  color: #03140e;
  font-weight: 700;
}

.topbar-btn-primary:hover {
  background: var(--app-lime-hover);
  border-color: var(--app-lime-hover);
  color: #03140e;
  box-shadow: var(--app-lime-glow);
}

/* Main Content Body */
.app-content {
  flex: 1;
  padding: 1.75rem;
  max-width: 1600px;
  width: 100%;
  margin: 0 auto;
}

/* Page Header */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.75rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.page-title-wrap h1 {
  font-size: 1.6rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.page-title-wrap p {
  color: var(--app-text-dim);
  font-size: 0.875rem;
  max-width: 720px;
}

.page-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* ==========================================================================
   METRIC STAT CARDS
   ========================================================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.stat-card {
  background-color: var(--app-card-bg);
  border: 1px solid var(--app-border);
  border-radius: 8px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: transparent;
  transition: background 0.2s ease;
}

.stat-card:hover {
  background-color: var(--app-card-hover);
  border-color: var(--app-border-strong);
  transform: translateY(-2px);
}

.stat-card:hover::before {
  background: var(--app-lime);
}

.stat-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.stat-card-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--app-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-card-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: rgba(200, 241, 105, 0.08);
  border: 1px solid var(--app-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--app-lime);
}

.stat-card-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: #ffffff;
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.stat-card-footer {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.6rem;
  font-size: 0.75rem;
  color: var(--app-text-dim);
}

.stat-delta {
  font-family: var(--font-mono);
  font-weight: 600;
  padding: 1px 5px;
  border-radius: 3px;
}

.stat-delta.positive {
  color: var(--app-success);
  background: var(--app-success-bg);
}

.stat-delta.neutral {
  color: var(--app-lime);
  background: var(--app-lime-dim);
}

.stat-delta.warning {
  color: var(--app-warning);
  background: var(--app-warning-bg);
}

/* ==========================================================================
   CARDS, PANELS & GRIDS
   ========================================================================== */
.app-panel {
  background-color: var(--app-card-bg);
  border: 1px solid var(--app-border);
  border-radius: 8px;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  position: relative;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--app-border-subtle);
  flex-wrap: wrap;
  gap: 0.75rem;
}

.panel-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.panel-subtitle {
  font-size: 0.8rem;
  color: var(--app-text-muted);
  font-family: var(--font-mono);
}

.panel-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ==========================================================================
   TABLES & DATA LISTS
   ========================================================================== */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: 6px;
}

.app-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.825rem;
}

.app-table th {
  background-color: rgba(3, 20, 14, 0.7);
  color: var(--app-text-muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--app-border);
  white-space: nowrap;
}

.app-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--app-border-subtle);
  color: var(--app-text-dim);
  vertical-align: middle;
}

.app-table tr:hover td {
  background-color: rgba(15, 68, 50, 0.35);
  color: #ffffff;
}

.app-table td strong {
  color: #ffffff;
}

/* Status Badges */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.status-pill.open {
  background: var(--app-danger-bg);
  color: var(--app-danger);
  border: 1px solid rgba(255, 91, 91, 0.3);
}

.status-pill.resolved {
  background: var(--app-success-bg);
  color: var(--app-success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-pill.investigating {
  background: var(--app-warning-bg);
  color: var(--app-warning);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-pill.active {
  background: var(--app-lime-dim);
  color: var(--app-lime);
  border: 1px solid var(--app-border-strong);
}

.status-pill.flagged {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.4);
}

/* Action Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  font-size: 0.825rem;
  font-weight: 600;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  font-family: var(--font-sans);
}

.btn-sm {
  padding: 0.3rem 0.65rem;
  font-size: 0.75rem;
}

.btn-primary {
  background-color: var(--app-lime);
  color: #03140e;
  border-color: var(--app-lime);
}

.btn-primary:hover {
  background-color: var(--app-lime-hover);
  border-color: var(--app-lime-hover);
  box-shadow: var(--app-lime-glow);
}

.btn-secondary {
  background-color: var(--app-card-bg);
  color: var(--app-text);
  border-color: var(--app-border);
}

.btn-secondary:hover {
  background-color: var(--app-elevated);
  border-color: var(--app-lime);
  color: var(--app-lime);
}

.btn-danger {
  background-color: var(--app-danger-bg);
  color: var(--app-danger);
  border-color: rgba(255, 91, 91, 0.3);
}

.btn-danger:hover {
  background-color: rgba(255, 91, 91, 0.25);
  border-color: var(--app-danger);
}

.btn-success {
  background-color: var(--app-success-bg);
  color: var(--app-success);
  border-color: rgba(16, 185, 129, 0.4);
}

.btn-success:hover {
  background-color: rgba(16, 185, 129, 0.25);
}

/* Filter Controls */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.filter-chip {
  background-color: var(--app-card-bg);
  border: 1px solid var(--app-border);
  color: var(--app-text-dim);
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  cursor: pointer;
  transition: all 0.15s ease;
}

.filter-chip:hover {
  border-color: var(--app-lime);
  color: #ffffff;
}

.filter-chip.active {
  background-color: var(--app-lime-dim);
  border-color: var(--app-lime);
  color: var(--app-lime);
  font-weight: 600;
}

/* Forms & Inputs */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--app-text-muted);
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  background-color: rgba(3, 20, 14, 0.8);
  border: 1px solid var(--app-border);
  color: #ffffff;
  padding: 0.6rem 0.85rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-family: var(--font-sans);
  transition: border-color 0.2s ease;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--app-lime);
  box-shadow: 0 0 8px rgba(200, 241, 105, 0.2);
}

/* ==========================================================================
   INTERACTIVE STEPPER & TERMINAL (INVESTIGATE PAGE)
   ========================================================================== */
.stepper-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.step-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1rem;
  background-color: var(--app-card-bg);
  border: 1px solid var(--app-border-subtle);
  border-radius: 6px;
  transition: all 0.25s ease;
}

.step-item.active {
  border-color: var(--app-lime);
  background-color: var(--app-card-hover);
  box-shadow: var(--app-lime-glow);
}

.step-item.completed {
  border-color: rgba(16, 185, 129, 0.4);
  background-color: rgba(16, 185, 129, 0.05);
}

.step-number {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--app-elevated);
  border: 1px solid var(--app-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--app-text-dim);
}

.step-item.active .step-number {
  background-color: var(--app-lime);
  color: #03140e;
  border-color: var(--app-lime);
}

.step-item.completed .step-number {
  background-color: var(--app-success);
  color: #03140e;
  border-color: var(--app-success);
}

.step-content {
  flex: 1;
}

.step-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: #ffffff;
}

.step-desc {
  font-size: 0.75rem;
  color: var(--app-text-muted);
  font-family: var(--font-mono);
}

.step-status {
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

/* Terminal Log Stream */
.terminal-window {
  background-color: #020d09;
  border: 1px solid var(--app-border);
  border-radius: 8px;
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  height: 320px;
  overflow-y: auto;
  color: var(--app-lime);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.6);
}

.terminal-line {
  line-height: 1.4;
  word-break: break-all;
}

.terminal-time {
  color: var(--app-text-muted);
  margin-right: 8px;
}

.terminal-agent {
  color: var(--app-info);
  margin-right: 8px;
}

.terminal-msg {
  color: #f3f7f0;
}

.terminal-success {
  color: var(--app-lime);
}

.terminal-warn {
  color: var(--app-warning);
}

.terminal-danger {
  color: var(--app-danger);
}

/* ==========================================================================
   INTERACTIVE GRAPH CANVAS (GRAPH PAGE)
   ========================================================================== */
.graph-viewport-wrapper {
  position: relative;
  width: 100%;
  height: 560px;
  background-color: #020e0a;
  border: 1px solid var(--app-border);
  border-radius: 8px;
  overflow: hidden;
  background-image: 
    radial-gradient(rgba(200, 241, 105, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
}

.graph-canvas {
  width: 100%;
  height: 100%;
  cursor: grab;
}

.graph-canvas:active {
  cursor: grabbing;
}

.graph-toolbar {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: rgba(5, 30, 21, 0.9);
  border: 1px solid var(--app-border);
  border-radius: 6px;
  padding: 0.4rem;
  display: flex;
  gap: 0.4rem;
  z-index: 10;
  backdrop-filter: blur(8px);
}

.graph-legend {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  background-color: rgba(5, 30, 21, 0.9);
  border: 1px solid var(--app-border);
  border-radius: 6px;
  padding: 0.6rem 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--app-text-dim);
  display: flex;
  gap: 1rem;
  z-index: 10;
  backdrop-filter: blur(8px);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 5px;
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

/* ==========================================================================
   DRAWER & MODAL SYSTEM
   ========================================================================== */
.app-drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 99;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

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

.app-drawer {
  position: fixed;
  top: 0;
  right: -580px;
  width: 540px;
  max-width: 90vw;
  height: 100vh;
  background-color: var(--app-sidebar-bg);
  border-left: 1px solid var(--app-border-strong);
  z-index: 100;
  display: flex;
  flex-direction: column;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.6);
  transition: right 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.app-drawer.open {
  right: 0;
}

.drawer-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--app-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.drawer-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
}

.drawer-close-btn {
  background: none;
  border: 1px solid var(--app-border);
  color: var(--app-text-dim);
  width: 32px;
  height: 32px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.drawer-close-btn:hover {
  border-color: var(--app-lime);
  color: var(--app-lime);
}

.drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.drawer-footer {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--app-border);
  background-color: rgba(3, 20, 14, 0.8);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* Modal System */
.app-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 109;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.app-modal-overlay.open {
  display: flex;
}

.app-modal {
  background-color: var(--app-sidebar-bg);
  border: 1px solid var(--app-border-strong);
  border-radius: 8px;
  width: 100%;
  max-width: 520px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7);
  animation: modalPop 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
  0% { transform: scale(0.95); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 999;
}

.toast-item {
  background-color: var(--app-card-bg);
  border: 1px solid var(--app-border-strong);
  border-left: 4px solid var(--app-lime);
  border-radius: 6px;
  padding: 0.85rem 1.25rem;
  min-width: 300px;
  max-width: 420px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  animation: toastSlide 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-item.success { border-left-color: var(--app-success); }
.toast-item.error { border-left-color: var(--app-danger); }
.toast-item.info { border-left-color: var(--app-info); }
.toast-item.warning { border-left-color: var(--app-warning); }

@keyframes toastSlide {
  0% { transform: translateX(100%); opacity: 0; }
  100% { transform: translateX(0); opacity: 1; }
}

.toast-title {
  font-weight: 700;
  font-size: 0.85rem;
  color: #ffffff;
  margin-bottom: 2px;
}

.toast-message {
  font-size: 0.775rem;
  color: var(--app-text-dim);
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .app-sidebar {
    position: fixed;
    transform: translateX(-100%);
  }
  .app-sidebar.mobile-open {
    transform: translateX(0);
  }
  .mobile-menu-toggle {
    display: inline-flex;
  }
}