/* ── VARIÁVEIS DE TEMA & ESTILOS GLOBAIS ── */
:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Lora', Georgia, serif;
  --font-display: 'Cinzel', serif;

  --font-size-base: 17px;
  --line-height-base: 1.8;

  /* Tema Claro (Padrão) */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-card: #ffffff;
  --bg-header: rgba(255, 255, 255, 0.85);
  --border-color: #e2e8f0;
  
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-light: #eff6ff;

  --color-yellow: #fef08a;
  --color-green: #bbf7d0;
  --color-pink: #fbcfe8;
  --color-blue: #bfdbfe;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

[data-theme="sepia"] {
  --bg-primary: #fbf0d9;
  --bg-secondary: #f4e5c4;
  --bg-card: #f8ecce;
  --bg-header: rgba(251, 240, 217, 0.9);
  --border-color: #e6d3ad;
  
  --text-primary: #433422;
  --text-secondary: #71583d;
  --text-muted: #9f8263;
  
  --accent: #965318;
  --accent-hover: #7b4110;
  --accent-light: #efe0c0;

  --color-yellow: #f9e288;
  --color-green: #cbe3b3;
  --color-pink: #f2c7ce;
  --color-blue: #c2dae5;
}

[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #0b1120;
  --bg-card: #1e293b;
  --bg-header: rgba(15, 23, 42, 0.85);
  --border-color: #334155;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --accent: #3b82f6;
  --accent-hover: #60a5fa;
  --accent-light: #1e3a8a;

  --color-yellow: #854d0e;
  --color-green: #14532d;
  --color-pink: #831843;
  --color-blue: #1e3a8a;
}

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

body {
  font-family: var(--font-serif);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color 0.25s ease, color 0.25s ease;
  overflow-x: hidden;
}

/* ── BARRA SUPERIOR (HEADER) ── */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background-color: var(--bg-header);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  font-family: var(--font-sans);
}

.header-left, .header-center, .header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  font-size: 1.15rem;
}

.brand-symbol {
  font-size: 1.25rem;
}

.brand-title {
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.brand-title .accent {
  color: var(--accent);
}

.badge-mvp {
  font-size: 0.65rem;
  font-weight: 700;
  background: var(--accent);
  color: #fff;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  letter-spacing: 0.05em;
}

.law-selector-wrapper select {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-primary);
  font-weight: 500;
  outline: none;
  cursor: pointer;
  transition: border-color 0.2s;
}

.law-selector-wrapper select:focus {
  border-color: var(--accent);
}

.search-box {
  display: flex;
  align-items: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 0.4rem 0.85rem;
  width: 320px;
  gap: 0.5rem;
}

.search-box input {
  border: none;
  background: transparent;
  width: 100%;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--text-primary);
  outline: none;
}

.reader-controls {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--bg-secondary);
  padding: 0.25rem 0.5rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.btn-icon {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.8rem;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  cursor: pointer;
}

.btn-icon:hover {
  background: var(--border-color);
  color: var(--text-primary);
}

.theme-toggles {
  display: flex;
  gap: 0.35rem;
  margin-left: 0.4rem;
  padding-left: 0.4rem;
  border-left: 1px solid var(--border-color);
}

.theme-btn {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s;
}

.theme-btn.light { background: #ffffff; border-color: #cbd5e1; }
.theme-btn.sepia { background: #fbf0d9; border-color: #d6b98d; }
.theme-btn.dark  { background: #0f172a; border-color: #475569; }

.theme-btn.active {
  transform: scale(1.2);
  box-shadow: 0 0 0 2px var(--accent);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  cursor: pointer;
}

/* ── LAYOUT PRINCIPAL ── */
.app-container {
  display: flex;
  min-height: calc(100vh - 60px);
}

/* Sumário Lateral */
.sidebar {
  width: 280px;
  flex-shrink: 0;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  padding: 1.25rem 1rem;
  font-family: var(--font-sans);
  height: calc(100vh - 60px);
  position: sticky;
  top: 60px;
  overflow-y: auto;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.sidebar-header h3 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.count-badge {
  font-size: 0.75rem;
  background: var(--border-color);
  color: var(--text-secondary);
  padding: 0.15rem 0.5rem;
  border-radius: 12px;
}

.articles-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-item {
  display: flex;
  flex-direction: column;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  text-decoration: none;
  color: var(--text-primary);
  font-size: 0.85rem;
  transition: background 0.15s;
}

.nav-item:hover {
  background: var(--border-color);
}

.nav-item.active {
  background: var(--accent-light);
  color: var(--accent);
  font-weight: 600;
}

.nav-item .nav-art-num {
  font-weight: 600;
}

.nav-item .nav-art-snippet {
  font-size: 0.75rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Área de Leitura */
.reading-pane {
  flex: 1;
  max-width: 820px;
  margin: 0 auto;
  padding: 2.5rem 2rem 6rem;
}

.law-header-banner {
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 1.5rem;
  margin-bottom: 2.5rem;
}

.law-header-banner h1 {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.law-header-banner p {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* ── ARTIGOS ── */
.group-header {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: var(--accent-light);
  padding: 0.4rem 0.85rem;
  border-radius: 6px;
  margin: 2.5rem 0 1.25rem;
  display: inline-block;
}

.article-card {
  position: relative;
  margin-bottom: 2rem;
  padding: 1.25rem 1.5rem;
  border-radius: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s;
}

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

.article-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
  font-family: var(--font-sans);
}

.article-badge-num {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
}

.article-badge-status {
  font-size: 0.7rem;
  background: #dcfce7;
  color: #15803d;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: 12px;
}

.article-body {
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--text-primary);
}

.article-body p {
  margin-bottom: 0.75rem;
}

.article-body ul.incisos {
  list-style: none;
  padding-left: 1.25rem;
  margin-bottom: 0.75rem;
}

.article-body ul.incisos li {
  margin-bottom: 0.45rem;
}

/* Grifos Aplicados */
.user-highlight {
  border-radius: 3px;
  padding: 0.05rem 0.15rem;
  cursor: pointer;
  position: relative;
  transition: filter 0.15s;
}

.user-highlight:hover {
  filter: brightness(0.92);
}

.user-highlight.yellow { background-color: var(--color-yellow); }
.user-highlight.green  { background-color: var(--color-green); }
.user-highlight.pink   { background-color: var(--color-pink); }
.user-highlight.blue   { background-color: var(--color-blue); }

/* Bloco de Bizu do Artigo */
.notes-container {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.note-pill {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  background: var(--bg-secondary);
  border-left: 3px solid var(--accent);
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 0.8rem;
}

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

.btn-del-note {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1rem;
  margin-left: 0.5rem;
}

.btn-del-note:hover {
  color: #ef4444;
}

/* ── PILL FLUTUANTE DE SELEÇÃO ── */
.selection-pill {
  position: fixed;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: #1e293b;
  color: #fff;
  padding: 0.35rem 0.6rem;
  border-radius: 30px;
  box-shadow: var(--shadow-lg);
  font-family: var(--font-sans);
  transform: translate(-50%, -100%);
  margin-top: -10px;
  animation: popIn 0.15s ease-out;
}

@keyframes popIn {
  from { opacity: 0; transform: translate(-50%, -90%) scale(0.9); }
  to   { opacity: 1; transform: translate(-50%, -100%) scale(1); }
}

.pill-color {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  transition: transform 0.15s;
}

.pill-color:hover {
  transform: scale(1.2);
}

.pill-color.color-yellow { background: #facc15; }
.pill-color.color-green  { background: #4ade80; }
.pill-color.color-pink   { background: #f472b6; }
.pill-color.color-blue   { background: #60a5fa; }

.pill-divider {
  width: 1px;
  height: 16px;
  background: #475569;
  margin: 0 0.2rem;
}

.pill-btn-note {
  background: transparent;
  border: none;
  color: #f8fafc;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.pill-btn-note:hover {
  color: #93c5fd;
}

/* ── MODAIS (DIALOG) ── */
.modal-dialog {
  border: none;
  border-radius: 12px;
  padding: 0;
  background: var(--bg-card);
  color: var(--text-primary);
  max-width: 460px;
  width: 90%;
  margin: auto;
  box-shadow: var(--shadow-lg);
}

.modal-dialog::backdrop {
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(4px);
}

.modal-content {
  padding: 1.5rem;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.modal-header h3 {
  font-family: var(--font-sans);
  font-size: 1.05rem;
}

.btn-close {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-secondary);
}

.modal-body {
  font-family: var(--font-sans);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.quote-preview {
  font-style: italic;
  font-family: var(--font-serif);
  font-size: 0.85rem;
  background: var(--bg-secondary);
  padding: 0.6rem 0.85rem;
  border-radius: 6px;
  border-left: 3px solid var(--accent);
}

.modal-body textarea, .form-group input {
  width: 100%;
  padding: 0.6rem;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
}

.color-picker-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.85rem;
}

.badge-swatch {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.badge-swatch.yellow { background: #facc15; }
.badge-swatch.green  { background: #4ade80; }
.badge-swatch.pink   { background: #f472b6; }
.badge-swatch.blue   { background: #60a5fa; }

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* Spinner */
.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 2rem auto 1rem;
}

.spinner-small {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-color);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.export-status {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--accent);
  margin-top: 0.75rem;
}

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

/* Responsividade Mobile */
@media (max-width: 860px) {
  .sidebar { display: none; }
  .search-box { width: 180px; }
  .reading-pane { padding: 1.5rem 1rem; }
}