/* ==========================================================================
   DEADLINE GUARDIAN - BRUTALIST EDITORIAL DESIGN SYSTEM (THEME.TXT)
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-peach: #f9ebe0;
  --bg-card: #fef8f3;
  --bg-card-alt: #f3dfcf;
  
  --forest-dark: #1b3b2b;
  --forest-light: #2c5943;
  --sage-light: #e2ede5;
  --sage-border: #b5ccbd;
  
  --text-black: #111813;
  --text-muted: #4a5c50;
  
  --border-black: #111813;
  --border-thick: 3px solid #111813;
  --border-thin: 2px solid #111813;
  
  /* Hard Offset Shadows */
  --shadow-brutal-sm: 3px 3px 0px #111813;
  --shadow-brutal-md: 5px 5px 0px #111813;
  --shadow-brutal-lg: 8px 8px 0px #111813;
  
  --radius-sharp: 0px;
  --radius-subtle: 4px;
  
  --font-heading: 'Space Grotesk', 'Outfit', sans-serif;
  --font-body: 'Outfit', sans-serif;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-peach);
  color: var(--text-black);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  /* Pixel Grid Decorative Background */
  background-image: 
    linear-gradient(to right, rgba(17, 24, 19, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(17, 24, 19, 0.05) 1px, transparent 1px);
  background-size: 24px 24px;
  background-attachment: fixed;
  overflow-x: hidden;
}

/* Header */
.app-header {
  border-bottom: var(--border-thick);
  background: var(--bg-card);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0.9rem 1.5rem;
}

.header-container {
  max-width: 1040px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.brand-icon {
  font-size: 1.5rem;
  background: var(--forest-dark);
  color: var(--bg-peach);
  padding: 0.2rem 0.5rem;
  border: var(--border-thin);
  box-shadow: var(--shadow-brutal-sm);
  font-weight: bold;
}

.brand-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-black);
  text-transform: uppercase;
  letter-spacing: -0.5px;
}

.brand-tag {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  background: var(--forest-dark);
  color: #ffffff;
  border: var(--border-thin);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.session-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--sage-light);
  border: var(--border-thin);
  padding: 0.4rem 0.8rem;
  box-shadow: var(--shadow-brutal-sm);
  font-family: monospace;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-black);
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 0;
  background-color: var(--forest-dark);
}

/* Cold Start Banner */
.cold-start-banner {
  background: #fce788;
  border-bottom: var(--border-thick);
  color: var(--text-black);
  padding: 0.6rem 1rem;
  text-align: center;
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
}

.spinner-sm {
  width: 14px;
  height: 14px;
  border: 3px solid var(--text-black);
  border-top-color: transparent;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}

/* Main Container */
.main-container {
  max-width: 1040px;
  width: 100%;
  margin: 1.5rem auto;
  padding: 0 1.25rem;
  flex: 1;
}

/* Brutalist Upload Card */
.upload-card {
  background: var(--bg-card);
  border: var(--border-thick);
  box-shadow: var(--shadow-brutal-lg);
  padding: 1.5rem;
  margin-bottom: 2rem;
  position: relative;
}

.drop-zone {
  border: 3px dashed var(--border-black);
  padding: 2.25rem 1.5rem;
  text-align: center;
  cursor: pointer;
  background: var(--bg-peach);
  transition: all 0.15s ease;
}

.drop-zone:hover, .drop-zone.dragover {
  background: var(--sage-light);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-brutal-sm);
}

.drop-icon {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  display: block;
}

.drop-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.3px;
  margin-bottom: 0.3rem;
  color: var(--text-black);
}

.drop-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.file-list {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.file-chip {
  background: var(--sage-light);
  border: var(--border-thin);
  padding: 0.35rem 0.75rem;
  font-family: monospace;
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  box-shadow: var(--shadow-brutal-sm);
}

.file-chip .remove-btn {
  cursor: pointer;
  color: var(--text-black);
  font-weight: bold;
}

.file-chip .remove-btn:hover {
  color: #c92a2a;
}

.upload-actions {
  margin-top: 1.25rem;
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
}

/* Ingestion Progress Bar */
.progress-bar-container {
  background: var(--bg-card-alt);
  border: var(--border-thin);
  padding: 0.8rem 1rem;
  margin-top: 1rem;
  box-shadow: var(--shadow-brutal-sm);
}

.progress-text {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  color: var(--forest-dark);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.progress-bar-track {
  height: 10px;
  background: var(--sage-light);
  border: 2px solid var(--border-black);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  width: 100%;
  background: var(--forest-dark);
  animation: brutalPulse 1.2s steps(4) infinite alternate;
}

@keyframes brutalPulse {
  from { opacity: 0.7; }
  to { opacity: 1; }
}

/* Transcription Review Box */
.transcription-box {
  background: var(--bg-peach);
  border: var(--border-thin);
  padding: 1rem;
  box-shadow: var(--shadow-brutal-sm);
}

.transcription-title {
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--forest-dark);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.transcription-textarea {
  width: 100%;
  min-height: 100px;
  background: var(--bg-card);
  border: var(--border-thin);
  padding: 0.75rem;
  color: var(--text-black);
  font-family: monospace;
  font-size: 0.9rem;
  resize: vertical;
}

/* Chunky Forest Green Brutalist Button */
.btn-primary {
  background: var(--forest-dark);
  color: #ffffff;
  border: var(--border-thick);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  box-shadow: var(--shadow-brutal-md);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  transition: all 0.1s ease;
}

.btn-primary:hover:not(:disabled) {
  background: var(--forest-light);
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0px #111813;
}

.btn-primary:active:not(:disabled) {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px #111813;
}

.btn-primary:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: var(--shadow-brutal-sm);
}

/* ==========================================================================
   COMPACT DETAILED RAG PIPELINE LOADER
   ========================================================================== */

.rag-pipeline-loader {
  background: var(--bg-card-alt);
  border: var(--border-thick);
  box-shadow: var(--shadow-brutal-md);
  padding: 1rem 1.25rem;
  margin-top: 1.25rem;
  margin-bottom: 1rem;
}

.rag-header {
  margin-bottom: 0.85rem;
  border-bottom: 2px solid var(--border-black);
  padding-bottom: 0.5rem;
}

.rag-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--forest-dark);
  letter-spacing: 0.5px;
}

.rag-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-top: 0.15rem;
}

.rag-stages-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
  margin-bottom: 0.85rem;
}

.rag-stage-node {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-card);
  border: 2px solid var(--border-black);
  padding: 0.45rem 0.6rem;
  transition: all 0.2s ease;
  min-width: 0;
}

.stage-icon {
  width: 22px;
  height: 22px;
  background: var(--sage-light);
  border: 1.5px solid var(--border-black);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.stage-info {
  overflow: hidden;
}

.stage-name {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-black);
}

.stage-desc {
  font-size: 0.68rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 500;
}

.stage-connector {
  width: 12px;
  height: 3px;
  background: var(--border-black);
  flex-shrink: 0;
}

/* Stage States */
.rag-stage-node.completed {
  background: var(--forest-dark);
  color: #ffffff;
}

.rag-stage-node.completed .stage-icon {
  background: #ffffff;
  color: var(--forest-dark);
}

.rag-stage-node.completed .stage-name,
.rag-stage-node.completed .stage-desc {
  color: #ffffff;
}

.rag-stage-node.active {
  background: #fce788;
  border-color: var(--border-black);
  box-shadow: var(--shadow-brutal-sm);
  transform: translateY(-2px);
  animation: stagePulse 0.9s infinite alternate ease-in-out;
}

.rag-stage-node.active .stage-icon {
  background: var(--forest-dark);
  color: #ffffff;
}

.rag-stage-node.active .stage-name {
  color: var(--forest-dark);
}

.rag-stage-node.upcoming {
  opacity: 0.55;
  background: var(--sage-light);
}

.rag-stage-node.error-state {
  background: #ffc9c9;
  border-color: #c92a2a;
}

@keyframes stagePulse {
  from { border-color: var(--border-black); }
  to { border-color: var(--forest-dark); }
}

.rag-progress-track {
  height: 8px;
  background: var(--bg-card);
  border: 2px solid var(--border-black);
  overflow: hidden;
}

.rag-progress-fill {
  height: 100%;
  background: var(--forest-dark);
  transition: width 0.3s ease;
}

/* ==========================================================================
   UPLOAD PIPELINE LOADER
   ========================================================================== */

.upload-pipeline-loader {
  background: var(--bg-card-alt);
  border: var(--border-thick);
  box-shadow: var(--shadow-brutal-md);
  padding: 1rem 1.25rem;
  margin-top: 1.25rem;
}

.upload-pipeline-header {
  margin-bottom: 0.85rem;
  border-bottom: 2px solid var(--border-black);
  padding-bottom: 0.5rem;
}

.upload-pipeline-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--forest-dark);
  letter-spacing: 0.5px;
}

.upload-pipeline-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-top: 0.15rem;
}

.upload-stages-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
  margin-bottom: 0.85rem;
}

.upload-stage-node {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-card);
  border: 2px solid var(--border-black);
  padding: 0.45rem 0.6rem;
  transition: all 0.2s ease;
  min-width: 0;
}

/* Reuse existing stage state classes: .completed, .active, .upcoming, .error-state */
.upload-stage-node.completed {
  background: var(--forest-dark);
  color: #ffffff;
}
.upload-stage-node.completed .stage-icon {
  background: #ffffff;
  color: var(--forest-dark);
}
.upload-stage-node.completed .stage-name,
.upload-stage-node.completed .stage-desc {
  color: #ffffff;
}
.upload-stage-node.active {
  background: #fce788;
  border-color: var(--border-black);
  box-shadow: var(--shadow-brutal-sm);
  transform: translateY(-2px);
  animation: stagePulse 0.9s infinite alternate ease-in-out;
}
.upload-stage-node.active .stage-icon {
  background: var(--forest-dark);
  color: #ffffff;
}
.upload-stage-node.active .stage-name {
  color: var(--forest-dark);
}
.upload-stage-node.upcoming {
  opacity: 0.55;
  background: var(--sage-light);
}
.upload-stage-node.error-state {
  background: #ffc9c9;
  border-color: #c92a2a;
}

.upload-progress-track {
  height: 8px;
  background: var(--bg-card);
  border: 2px solid var(--border-black);
  overflow: hidden;
  margin-bottom: 0.65rem;
}

.upload-progress-fill {
  height: 100%;
  background: var(--forest-dark);
  transition: width 0.3s ease;
}

.upload-pipeline-log {
  max-height: 90px;
  overflow-y: auto;
  font-family: monospace;
  font-size: 0.72rem;
  color: var(--text-muted);
  border: 1.5px solid var(--sage-border);
  background: var(--bg-card);
  padding: 0.4rem 0.6rem;
}

.upload-log-entry {
  padding: 0.15rem 0;
  border-bottom: 1px solid rgba(17, 24, 19, 0.07);
}

.upload-log-entry:last-child {
  border-bottom: none;
}

/* ==========================================================================
   TABS & PANELS
   ========================================================================== */

.tabs-nav {
  display: flex;
  gap: 0.6rem;
  border-bottom: var(--border-thick);
  margin-bottom: 1.5rem;
}

.tab-btn {
  background: var(--bg-card);
  border: var(--border-thick);
  border-bottom: none;
  color: var(--text-muted);
  padding: 0.75rem 1.35rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tab-btn:hover {
  color: var(--text-black);
  background: var(--bg-card-alt);
}

.tab-btn.active {
  background: var(--bg-peach);
  color: var(--forest-dark);
  border-color: var(--border-black);
  box-shadow: 0px -3px 0px var(--forest-dark);
  position: relative;
  top: 3px;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.panel-card {
  background: var(--bg-card);
  border: var(--border-thick);
  box-shadow: var(--shadow-brutal-lg);
  padding: 1.75rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  color: var(--text-black);
}

.form-input {
  width: 100%;
  background: var(--bg-card);
  border: var(--border-thick);
  padding: 0.75rem 1rem;
  color: var(--text-black);
  font-size: 0.95rem;
  font-family: var(--font-body);
  box-shadow: var(--shadow-brutal-sm);
  transition: all 0.15s ease;
}

.form-input:focus {
  outline: none;
  background: #ffffff;
  transform: translate(-1px, -1px);
  box-shadow: var(--shadow-brutal-md);
}

textarea.form-input {
  min-height: 95px;
  resize: vertical;
}

/* Output Display Card */
.result-card {
  margin-top: 1.5rem;
  padding: 1.75rem;
  background: var(--bg-card);
  border: var(--border-thick);
  box-shadow: var(--shadow-brutal-md);
  line-height: 1.7;
}

.result-card h1, .result-card h2, .result-card h3 {
  font-family: var(--font-heading);
  margin-top: 1.25rem;
  margin-bottom: 0.6rem;
  color: var(--forest-dark);
  text-transform: uppercase;
  border-bottom: 2px solid var(--border-black);
  padding-bottom: 0.3rem;
}

.result-card ul, .result-card ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.result-card p {
  margin-bottom: 0.85rem;
}

.result-card code {
  background: var(--sage-light);
  border: 1px solid var(--border-black);
  padding: 0.2rem 0.4rem;
  font-family: monospace;
  font-weight: 600;
}

/* Brutalist Source Citations */
.sources-container {
  margin-top: 1.5rem;
  border-top: var(--border-thick);
  padding-top: 1.25rem;
}

.sources-header {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--forest-dark);
  margin-bottom: 0.85rem;
}

.sources-list {
  display: grid;
  gap: 0.6rem;
}

.source-item {
  background: var(--bg-card-alt);
  border: var(--border-thin);
  box-shadow: var(--shadow-brutal-sm);
  padding: 0.75rem 1rem;
}

.source-tag {
  font-family: monospace;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--forest-dark);
  margin-bottom: 0.3rem;
}

.source-snippet {
  color: var(--text-black);
  font-size: 0.85rem;
  font-style: italic;
}

/* Loading Spinner */
.spinner {
  width: 16px;
  height: 16px;
  border: 3px solid #ffffff;
  border-top-color: transparent;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}

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

/* Footer */
.app-footer {
  margin-top: auto;
  border-top: var(--border-thick);
  padding: 1.25rem 1.5rem;
  text-align: center;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-black);
  background: var(--bg-card);
}

/* Responsiveness */
@media (max-width: 768px) {
  .rag-stages-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .stage-connector {
    width: 3px;
    height: 10px;
    margin: 0 auto;
  }
}

@media (max-width: 640px) {
  .header-container {
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-start;
  }
  
  .tab-btn {
    padding: 0.6rem 0.9rem;
    font-size: 0.85rem;
  }
  
  .panel-card {
    padding: 1.25rem;
  }
}

/* ==========================================================================
   KATEX LATEX OVERRIDES
   ========================================================================== */

.result-card .katex-display {
  margin: 1rem 0;
  padding: 0.75rem 1rem;
  background: var(--sage-light);
  border: 2px solid var(--border-black);
  box-shadow: var(--shadow-brutal-sm);
  overflow-x: auto;
}

.result-card .katex {
  font-size: 1.05em;
}

.result-card .katex-display > .katex {
  font-size: 1.15em;
}

/* ==========================================================================
   NEO-BRUTALIST FOOTER
   ========================================================================== */

.app-footer {
  margin-top: 3rem;
  background: var(--bg-card);
  border-top: var(--border-thick);
  padding: 1.5rem 1rem;
}

.footer-container {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-brand-section {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.footer-icon {
  font-size: 1.3rem;
}

.footer-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--forest-dark);
}

.footer-tag {
  background: var(--neon-accent);
  color: #000000;
  border: 2px solid #000000;
  box-shadow: 2px 2px 0px #000000;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  text-transform: uppercase;
}

.footer-meta-section {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.35rem;
  font-size: 0.85rem;
}

.footer-model-badge {
  font-weight: 600;
  color: var(--forest-dark);
  background: var(--sage-light);
  border: 1px solid var(--border-black);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.footer-creator-credits {
  color: var(--text-dark);
  font-weight: 500;
}

.footer-creator-credits strong {
  color: var(--forest-dark);
}

.footer-email-link {
  color: var(--forest-dark);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid var(--forest-dark);
  transition: all 0.2s ease;
}

.footer-email-link:hover {
  background: var(--neon-accent);
  color: #000000;
}

@media (max-width: 768px) {
  .footer-container {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-meta-section {
    align-items: flex-start;
  }
}