:root {
  --bg-primary: #12141a;
  --bg-secondary: #1a1e27;
  --bg-tertiary: #232834;
  --bg-elevated: #2c3342;
  --border-color: #363d4e;
  --border-focus: #e06c75;
  --text-primary: #f0f2f7;
  --text-secondary: #9da5b4;
  --text-muted: #6b7280;
  --accent: #e06c75;
  --accent-soft: rgba(224, 108, 117, 0.15);
  --accent-gold: #e5c07b;
  --accent-gold-soft: rgba(229, 192, 123, 0.15);
  --accent-cyan: #56b6c2;
  --accent-cyan-soft: rgba(86, 182, 194, 0.15);
  --accent-green: #98c379;
  --accent-purple: #c678dd;
  --accent-purple-soft: rgba(198, 120, 221, 0.15);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-serif: "EB Garamond", "Cinzel", "Georgia", "Times New Roman", serif;
  --font-mono: "JetBrains Mono", "Cascadia Code", "Fira Code", Menlo, Monaco, Consolas, monospace;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Header & Brand */
.app-header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 0.875rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.header-brand {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-glyph {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  color: var(--accent);
  line-height: 1;
}

.app-title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-primary);
}

.app-tagline {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* Toolbar & Controls */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  padding-top: 0.25rem;
}

.tool-group {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.tool-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.select-input {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-family: var(--font-sans);
  outline: none;
  cursor: pointer;
}

.select-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-soft);
}

.tool-options {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-left: auto;
}

.toggle-control {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78125rem;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

.toggle-control input[type="checkbox"] {
  accent-color: var(--accent);
  cursor: pointer;
}

/* App Main & Actions Bar */
.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 1rem 1.5rem;
  gap: 1rem;
  max-width: 1700px;
  width: 100%;
  margin: 0 auto;
}

.actions-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.actions-left, .actions-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.status-badge {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
}

.status-badge.scheme {
  background-color: var(--accent-purple-soft);
  color: var(--accent-purple);
  border-color: rgba(198, 120, 221, 0.3);
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-ghost:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--text-secondary);
}

.btn-primary-sm {
  background-color: var(--accent);
  color: #fff;
  border: none;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
}

/* Raw Editor Box */
.raw-editor-container {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.raw-editor-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.raw-textarea {
  width: 100%;
  height: 120px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.5;
  resize: vertical;
}

/* Aligned Workspace (Linha ao lado da sua Irmã) */
.aligned-workspace {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.workspace-headings {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(340px, 1.35fr);
  background-color: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
  padding: 0.45rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

@media (max-width: 900px) {
  .workspace-headings {
    display: none;
  }
}

.verses-container {
  display: flex;
  flex-direction: column;
}

/* Verse Row Pair */
.verse-row {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(340px, 1.35fr);
  border-bottom: 1px solid var(--border-color);
  transition: background-color 0.15s ease;
  min-height: 48px;
}

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

.verse-row:hover {
  background-color: rgba(255, 255, 255, 0.015);
}

@media (max-width: 900px) {
  .verse-row {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding: 0.5rem 0;
  }
}

/* Left Column */
.verse-col-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.75rem;
  border-right: 1px solid var(--border-color);
}

@media (max-width: 900px) {
  .verse-col-left {
    border-right: none;
  }
}

.line-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  width: 1.75rem;
  text-align: right;
  flex-shrink: 0;
}

.verse-input {
  flex: 1;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-primary);
  font-family: var(--font-serif);
  font-size: 1.05rem;
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.verse-input:focus {
  background-color: var(--bg-tertiary);
  border-color: var(--accent);
}

.btn-del-verse {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.2rem 0.35rem;
  font-size: 0.8125rem;
  border-radius: var(--radius-sm);
  opacity: 0.4;
  transition: opacity 0.15s ease, color 0.15s ease;
}

.verse-row:hover .btn-del-verse {
  opacity: 1;
}

.btn-del-verse:hover {
  color: var(--accent);
}

/* Right Column (Escansão Irmã) */
.verse-col-right {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 0.75rem;
  overflow-x: auto;
}

.badge-rima,
.badge-rima-compact {
  background-color: var(--accent-purple-soft);
  color: var(--accent-purple);
  border: 1px solid rgba(198, 120, 221, 0.35);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.15rem 0.35rem;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  min-width: 1.5rem;
  text-align: center;
  cursor: help;
}

.badge-metro {
  background-color: var(--accent-gold-soft);
  color: var(--accent-gold);
  border: 1px solid rgba(229, 192, 123, 0.3);
  font-size: 0.71875rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  flex-shrink: 0;
  white-space: nowrap;
}

.badge-metro-compact {
  background-color: var(--accent-gold-soft);
  color: var(--accent-gold);
  border: 1px solid rgba(229, 192, 123, 0.3);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  cursor: help;
}

.badge-metro-compact .ico {
  font-size: 0.85rem;
  line-height: 1;
}

.syllables-strip {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  flex-wrap: nowrap;
}

.syl-pill {
  display: inline-flex;
  align-items: baseline;
  gap: 0.15rem;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  padding: 0.15rem 0.35rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.78125rem;
  white-space: nowrap;
}

.syl-pill .idx {
  font-size: 0.625rem;
  color: var(--text-muted);
  font-weight: 700;
}

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

/* Modificadores de Sílaba */
.syl-pill.tonica {
  background-color: var(--accent-soft);
  border-color: var(--accent);
}

.syl-pill.tonica .txt {
  color: var(--accent);
  font-weight: 700;
}

.syl-pill.tonica .idx {
  color: var(--accent);
}

.syl-pill.elidida {
  border-bottom: 2px solid var(--accent-cyan);
}

.syl-pill.elidida .txt {
  color: var(--accent-cyan);
}

.syl-pill.extrametrica {
  opacity: 0.45;
  border-style: dashed;
}

/* Code Workspace */
.code-workspace {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.code-output {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
  white-space: pre;
  overflow-x: auto;
  color: var(--text-primary);
}

/* Notation Guide */
.notation-guide {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.875rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.guide-title {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  color: var(--text-primary);
}

.guide-icon {
  font-size: 1rem;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 0.5rem 1rem;
  font-size: 0.78125rem;
  color: var(--text-secondary);
}

.guide-item {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  line-height: 1.4;
}

.guide-item code {
  background-color: var(--bg-tertiary);
  color: var(--accent-gold);
  padding: 0.1rem 0.35rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  flex-shrink: 0;
}

.legend-chip {
  padding: 0.1rem 0.35rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  flex-shrink: 0;
}

.legend-chip.tonica {
  background-color: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--accent);
}

.legend-chip.elidida {
  background-color: var(--accent-cyan-soft);
  color: var(--accent-cyan);
  border-bottom: 2px solid var(--accent-cyan);
}

.legend-chip.extrametrica {
  border: 1px dashed var(--text-muted);
  color: var(--text-muted);
}

.legend-chip.rima {
  background-color: var(--accent-purple-soft);
  color: var(--accent-purple);
  border: 1px solid rgba(198, 120, 221, 0.4);
}

.guide-icons-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.6rem;
  padding-top: 0.6rem;
  margin-top: 0.3rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.guide-icons-title {
  font-weight: 700;
  color: var(--text-primary);
  margin-right: 0.25rem;
}

.icon-tag {
  background-color: var(--bg-tertiary);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  cursor: help;
  white-space: nowrap;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.icon-tag:hover {
  border-color: var(--accent-gold);
  background-color: var(--accent-gold-soft);
  color: var(--text-primary);
}

/* Footer */
.app-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 0.75rem 1.5rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-links a {
  color: var(--accent);
  text-decoration: none;
}

.footer-links a:hover {
  text-decoration: underline;
}

.footer-links code {
  background-color: var(--bg-tertiary);
  padding: 0.15rem 0.35rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

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