/* ==========================================================================
   PROJECT SHOWCASE & INTERACTIVE SIMULATORS (POSTPILOT & STEGOLAB)
   ========================================================================== */

/* --------------------------------------------------------------------------
   FEATURED PROJECT CONTAINER & HEADER
   -------------------------------------------------------------------------- */
.project-showcase {
  margin-bottom: 96px;
}

.project-showcase:last-child {
  margin-bottom: 0;
}

.project-card-wrapper {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: border-color var(--transition-normal);
}

.project-card-wrapper:hover {
  border-color: var(--border-accent);
}

.project-header {
  padding: 40px 44px;
  border-bottom: 1px solid var(--border-subtle);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02) 0%, transparent 100%);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  flex-wrap: wrap;
}

.project-meta-left {
  max-width: 680px;
}

.project-badge-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.project-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.project-subtitle {
  font-size: 1.125rem;
  color: var(--accent-secondary);
  font-weight: 600;
  margin-bottom: 14px;
}

.project-desc {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.project-tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-tag {
  padding: 4px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.project-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* Tab Navigation for Project Deep-Dive */
.project-tabs-nav {
  display: flex;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(0, 0, 0, 0.2);
  padding: 0 44px;
  overflow-x: auto;
}

.project-tab-btn {
  padding: 16px 24px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  position: relative;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.project-tab-btn:hover {
  color: var(--text-primary);
}

.project-tab-btn.active {
  color: var(--accent-primary);
}

.project-tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-accent);
}

.project-tab-content {
  padding: 36px 44px;
}

/* --------------------------------------------------------------------------
   PROJECT 1: POSTPILOT INTERACTIVE SAAS DASHBOARD
   -------------------------------------------------------------------------- */
.postpilot-dashboard {
  background: #090b10;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.dash-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.dash-title-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.dash-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--accent-emerald);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
}

.dash-presets {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.preset-btn {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.preset-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.preset-btn.active {
  background: rgba(99, 102, 241, 0.2);
  border-color: var(--border-accent);
  color: var(--accent-primary);
}

/* PostPilot Dual Columns */
.dash-columns {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 24px;
}

.dash-input-panel,
.dash-analysis-panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.dash-box {
  background: rgba(18, 22, 32, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 20px;
}

.dash-box-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.dash-box-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.post-textarea {
  width: 100%;
  height: 160px;
  background: rgba(10, 12, 18, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 14px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.6;
  resize: vertical;
  outline: none;
  transition: border-color var(--transition-fast);
}

.post-textarea:focus {
  border-color: var(--accent-primary);
}

.ocr-info-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  padding-top: 10px;
  border-top: 1px solid var(--border-subtle);
}

/* Metrics Grid in PostPilot */
.metrics-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.metric-gauge-card {
  background: rgba(15, 18, 26, 0.75);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 14px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.metric-label {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-bottom: 6px;
}

.metric-value-large {
  font-size: 1.625rem;
  font-weight: 800;
  font-family: var(--font-heading);
  color: var(--text-primary);
}

.metric-status-tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-family: var(--font-mono);
  padding: 2px 6px;
  border-radius: 4px;
  margin-top: 4px;
  font-weight: 600;
}

.metric-status-tag.good {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
}

.metric-status-tag.warn {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
}

/* Detailed Analysis Breakdown */
.nlp-breakdown-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.nlp-factor-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.factor-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.8125rem;
}

.factor-name {
  color: var(--text-secondary);
}

.factor-score {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--accent-secondary);
}

.factor-bar-track {
  height: 6px;
  width: 100%;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 3px;
  overflow: hidden;
}

.factor-bar-fill {
  height: 100%;
  background: var(--gradient-accent);
  border-radius: 3px;
  transition: width var(--transition-normal);
}

/* Rewritten Post Output Panel */
.rewrite-output-box {
  background: rgba(13, 16, 25, 0.9);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-sm);
  padding: 18px;
}

.rewrite-text-content {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: #e2e8f0;
  white-space: pre-line;
  background: rgba(0, 0, 0, 0.25);
  padding: 14px;
  border-radius: 6px;
  border-left: 3px solid var(--accent-primary);
  margin-top: 10px;
}

/* --------------------------------------------------------------------------
   PROJECT 2: STEGOLAB INTERACTIVE DCT & HUFFMAN SIMULATOR
   -------------------------------------------------------------------------- */
.stegolab-dashboard {
  background: #090b10;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* Steganography Pipeline Workflow Graph */
.stego-pipeline-flow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 20px;
  background: rgba(18, 22, 32, 0.5);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  overflow-x: auto;
}

.flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: 100px;
  text-align: center;
}

.flow-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  font-size: 1.125rem;
}

.flow-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
}

.flow-sub {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.flow-arrow {
  color: var(--text-muted);
  font-size: 1.125rem;
}

/* StegoLab Visual Simulation Columns */
.stego-sim-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.stego-input-area {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.stego-text-input {
  width: 100%;
  padding: 12px 14px;
  background: rgba(10, 12, 18, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  outline: none;
}

.stego-text-input:focus {
  border-color: var(--accent-secondary);
}

/* Huffman Coding Tree & Compression Output */
.huffman-metrics-box {
  background: rgba(18, 22, 32, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 18px;
}

.huffman-stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.8125rem;
}

.huffman-stat-row:last-child {
  border-bottom: none;
}

.huffman-bitstream {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-secondary);
  word-break: break-all;
  background: rgba(0, 0, 0, 0.35);
  padding: 8px 12px;
  border-radius: 4px;
  margin-top: 8px;
  max-height: 70px;
  overflow-y: auto;
}

/* 8x8 DCT Frequency Matrix Visualizer */
.dct-matrix-box {
  background: rgba(18, 22, 32, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.dct-matrix-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.dct-matrix-legend {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.6875rem;
  font-family: var(--font-mono);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 2px;
}

.legend-dot.dc { background: #ef4444; }
.legend-dot.embed { background: #6366f1; }
.legend-dot.hf { background: #334155; }

.dct-grid-8x8 {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 4px;
  background: rgba(0, 0, 0, 0.4);
  padding: 10px;
  border-radius: 6px;
}

.dct-cell {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  border-radius: 3px;
  background: #1e293b;
  color: #94a3b8;
  cursor: pointer;
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.dct-cell:hover {
  transform: scale(1.15);
  z-index: 2;
}

.dct-cell.dc-cell {
  background: rgba(239, 68, 68, 0.25);
  border: 1px solid rgba(239, 68, 68, 0.5);
  color: #fca5a5;
  font-weight: 700;
}

.dct-cell.embed-cell {
  background: rgba(99, 102, 241, 0.35);
  border: 1px solid var(--border-accent);
  color: #c7d2fe;
  font-weight: 700;
}

.dct-cell.hf-cell {
  background: rgba(255, 255, 255, 0.03);
  color: #475569;
}

/* Stego Image Canvas Preview & Decode Box */
.stego-preview-container {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.stego-canvas-box {
  position: relative;
  width: 100%;
  height: 180px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.stego-canvas-box canvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.stego-canvas-overlay-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  padding: 4px 8px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: #ffffff;
}

.extraction-test-box {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-sm);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.extraction-output-text {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--accent-emerald);
  font-weight: 600;
}

/* Architecture Cards in Deep Dive Tab */
.arch-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 16px;
}

.arch-card {
  background: rgba(18, 22, 32, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 20px;
}

.arch-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.arch-card-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}