/* CSS variables representing our design system tokens */
:root {
  --bg-main: #0a0f1d;
  --bg-card: #12182b;
  --bg-card-hover: #1b233d;
  --border-color: #232d4b;
  --border-glow: #313f68;
  
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dark: #6b7280;

  --color-primary: #6366f1; /* Neon Purple */
  --color-primary-glow: rgba(99, 102, 241, 0.15);
  
  --color-success: #10b981; /* Glowing green */
  --color-success-bg: rgba(16, 185, 129, 0.1);
  --color-success-glow: rgba(16, 185, 129, 0.2);

  --color-warning: #f59e0b; /* Amber */
  --color-warning-bg: rgba(245, 158, 11, 0.1);
  
  --color-danger: #ef4444; /* Crimson red */
  --color-danger-bg: rgba(239, 68, 68, 0.1);
  --color-danger-glow: rgba(239, 68, 68, 0.2);
  
  --transition-speed: 0.25s;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  padding-bottom: 80px;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* App Layout */
.app-header {
  border-bottom: 1px solid var(--border-color);
  padding: 1.5rem 2rem;
  background-color: rgba(10, 15, 29, 0.85);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary), #4f46e5);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: bold;
  box-shadow: 0 0 15px var(--color-primary-glow);
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  background: linear-gradient(to right, #fff, #a5b4fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-badge {
  font-size: 0.7rem;
  background-color: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-weight: bold;
}

/* Navigation Tabs */
.app-nav {
  display: flex;
  gap: 0.5rem;
}

.nav-tab {
  background: none;
  border: 1px solid transparent;
  color: var(--text-muted);
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 500;
  font-size: 0.9rem;
  transition: all var(--transition-speed) ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-tab svg {
  width: 16px;
  height: 16px;
}

.nav-tab:hover {
  color: var(--text-main);
  background-color: rgba(255, 255, 255, 0.05);
}

.nav-tab.active {
  color: #fff;
  background-color: rgba(99, 102, 241, 0.1);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.1);
}

/* Main Container */
.container {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 1.5rem;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

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

@media (min-width: 900px) {
  .grid-2 {
    grid-template-columns: 1.3fr 1fr;
  }
}

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.75rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  transition: border-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.card:hover {
  border-color: var(--border-glow);
}

.card-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* Inputs & Form styling */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-muted);
}

.text-area {
  width: 100%;
  height: 180px;
  background-color: rgba(10, 15, 29, 0.5);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-main);
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  resize: vertical;
  outline: none;
  transition: all var(--transition-speed) ease;
}

.text-area:focus, .input-text:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 8px var(--color-primary-glow);
}

.input-text {
  width: 100%;
  background-color: rgba(10, 15, 29, 0.5);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-main);
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  outline: none;
  transition: all var(--transition-speed) ease;
}

.mono-input {
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--color-primary), #4f46e5);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  width: 100%;
}

.btn:hover {
  opacity: 0.95;
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.05);
  box-shadow: none;
}

/* Quick templates list */
.template-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.template-item {
  background-color: rgba(10, 15, 29, 0.4);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.template-item:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--border-glow);
}

.template-name {
  font-weight: 500;
  font-size: 0.9rem;
}

.template-badge {
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-family: var(--font-mono);
}

.badge-risk-high {
  background-color: var(--color-danger-bg);
  color: var(--color-danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-risk-critical {
  background-color: var(--color-danger-bg);
  color: var(--color-danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-risk-suspicious {
  background-color: var(--color-warning-bg);
  color: var(--color-warning);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-risk-safe {
  background-color: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

/* Results Display */
.results-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.gauge-wrapper {
  position: relative;
  height: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.gauge-canvas-wrapper {
  width: 250px;
  height: 125px;
  position: relative;
}

.gauge-text {
  position: absolute;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.gauge-score {
  font-size: 2.25rem;
  font-weight: 800;
}

.gauge-level {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.15rem 0.6rem;
  border-radius: 4px;
  margin-top: 0.25rem;
}

.bg-safe {
  background-color: var(--color-success-bg);
  color: var(--color-success);
}
.bg-suspicious {
  background-color: var(--color-warning-bg);
  color: var(--color-warning);
}
.bg-critical {
  background-color: var(--color-danger-bg);
  color: var(--color-danger);
}

.text-safe { color: var(--color-success); }
.text-suspicious { color: var(--color-warning); }
.text-critical { color: var(--color-danger); }

/* Alerts / Heuristics matches list */
.alerts-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.alert-item {
  background-color: rgba(10, 15, 29, 0.3);
  border-left: 3px solid var(--border-color);
  border-radius: 0 6px 6px 0;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
}

.alert-item.danger {
  border-left-color: var(--color-danger);
  background-color: rgba(239, 68, 68, 0.03);
}

.alert-item.warning {
  border-left-color: var(--color-warning);
  background-color: rgba(245, 158, 11, 0.03);
}

.alert-item-title {
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.15rem;
}

.alert-item-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.alert-weight {
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

/* Header Analysis Specs */
.header-specs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.header-spec-card {
  background-color: rgba(10, 15, 29, 0.5);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.75rem;
  text-align: center;
}

.header-spec-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.header-spec-val {
  font-weight: 700;
  font-size: 0.9rem;
  font-family: var(--font-mono);
}

/* Phishing Simulator Styling */
.simulator-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .simulator-layout {
    grid-template-columns: 1fr;
  }
}

.sim-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sim-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sim-list-item {
  background-color: rgba(10, 15, 29, 0.4);
  border: 1px solid var(--border-color);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sim-list-item:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--border-glow);
}

.sim-list-item.active {
  background-color: rgba(99, 102, 241, 0.1);
  border-color: var(--color-primary);
}

.sim-item-title {
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sim-item-diff {
  font-size: 0.7rem;
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
  font-weight: bold;
}

.diff-easy { background-color: rgba(16, 185, 129, 0.15); color: var(--color-success); }
.diff-medium { background-color: rgba(245, 158, 11, 0.15); color: var(--color-warning); }

/* Email client envelope simulator */
.email-client-shell {
  background-color: #0b0f19;
  border: 1px solid #1f293d;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.client-header-bar {
  background-color: #131926;
  padding: 0.5rem 1rem;
  border-bottom: 1px solid #1f293d;
  display: flex;
  gap: 0.4rem;
}

.dot-btn {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot-red { background-color: #ff5f56; }
.dot-yellow { background-color: #ffbd2e; }
.dot-green { background-color: #27c93f; }

.client-metadata {
  padding: 1rem;
  border-bottom: 1px solid #1f293d;
  background-color: rgba(19, 25, 38, 0.3);
}

.meta-row {
  margin-bottom: 0.4rem;
  font-size: 0.85rem;
}

.meta-row:last-child {
  margin-bottom: 0;
}

.meta-label {
  color: var(--text-muted);
  width: 70px;
  display: inline-block;
}

.meta-val {
  color: #d1d5db;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.sim-highlightable {
  cursor: help;
  position: relative;
  background-color: rgba(255, 255, 255, 0.03);
  padding: 0.05rem 0.2rem;
  border-bottom: 1px dashed var(--text-dark);
}

.sim-highlightable:hover {
  background-color: rgba(99, 102, 241, 0.15);
  border-bottom-color: var(--color-primary);
}

.client-body {
  padding: 1.5rem;
  min-height: 220px;
  background-color: rgba(11, 15, 25, 0.95);
  font-family: var(--font-sans);
  color: #e5e7eb;
  white-space: pre-wrap;
}

.sim-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1.5rem;
}

.sim-feedback {
  margin-top: 1.25rem;
  border-radius: 8px;
  padding: 1rem;
  display: none;
  animation: fadeIn 0.3s ease;
}

.takeaway-box {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.85rem;
}

/* Dashboard statistics */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-size: 1.5rem;
  font-weight: 700;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.icon-purple { background-color: rgba(99, 102, 241, 0.15); color: var(--color-primary); }
.icon-red { background-color: rgba(239, 68, 68, 0.15); color: var(--color-danger); }
.icon-green { background-color: rgba(16, 185, 129, 0.15); color: var(--color-success); }

/* Quick Education Resources Cards */
.edu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.edu-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1.25rem;
  transition: all var(--transition-speed) ease;
}

.edu-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-glow);
}

.edu-tag {
  font-size: 0.65rem;
  text-transform: uppercase;
  font-weight: bold;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 0.5rem;
}

.edu-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #fff;
}

.edu-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}