/* Garante que elementos com o atributo "hidden" fiquem realmente ocultos */
[hidden] { display: none !important; }

/* ── Variáveis de tema ───────────────────────────────────────────────── */
:root {
  --bg:          #f5f0ff;
  --surface:     #ffffff;
  --surface2:    #f0ebfa;
  --border:      #e2d9f3;
  --text:        #1a0533;
  --text-muted:  #6b5e8a;
  --accent:      #8b2fc9;
  --accent-soft: #f3e8ff;
  --new-badge:   #d946ef;
  --shadow:      0 2px 12px rgba(139,47,201,.10);
  --shadow-hover:0 6px 24px rgba(139,47,201,.20);
  --radius:      14px;
  --radius-sm:   8px;
  --header-h:    72px;
  --sidebar-w:   260px;
  --font:        'Inter', system-ui, sans-serif;
  --transition:  .2s ease;
}

[data-theme="dark"] {
  --bg:          #0d0720;
  --surface:     #1a0f2e;
  --surface2:    #241540;
  --border:      #3b2568;
  --text:        #f0e8ff;
  --text-muted:  #a78cc0;
  --accent:      #c084fc;
  --accent-soft: #2d1452;
  --shadow:      0 2px 16px rgba(0,0,0,.4);
  --shadow-hover:0 6px 28px rgba(0,0,0,.55);
}

/* ── Reset & base ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  transition: background var(--transition), color var(--transition);
}

/* ── Header ─────────────────────────────────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-icon { font-size: 2rem; line-height: 1; }

.logo h1 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}

.logo-sub {
  font-size: .72rem;
  color: var(--text-muted);
  display: block;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  max-width: 520px;
  margin-left: auto;
}

.search-wrap {
  position: relative;
  flex: 1;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1rem;
  pointer-events: none;
}

#search-input {
  width: 100%;
  padding: 9px 14px 9px 38px;
  border: 1.5px solid var(--border);
  border-radius: 999px;
  background: var(--surface2);
  color: var(--text);
  font-family: var(--font);
  font-size: .9rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

#search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

#search-input::placeholder { color: var(--text-muted); }

.icon-btn {
  width: 40px;
  height: 40px;
  border: 1.5px solid var(--border);
  border-radius: 50%;
  background: var(--surface2);
  cursor: pointer;
  font-size: 1.1rem;
  display: grid;
  place-items: center;
  transition: background var(--transition), border-color var(--transition);
  flex-shrink: 0;
}

.icon-btn:hover { background: var(--accent-soft); border-color: var(--accent); }

/* ── Layout ─────────────────────────────────────────────────────────── */
.layout {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  gap: 0;
  min-height: calc(100vh - var(--header-h));
}

/* ── Sidebar ────────────────────────────────────────────────────────── */
.sidebar {
  position: sticky;
  top: var(--header-h);
  height: calc(100vh - var(--header-h));
  overflow-y: auto;
  padding: 24px 16px;
  border-right: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-title {
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  padding: 0 4px 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
}

.topic-filters {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.topic-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text);
  font-family: var(--font);
  font-size: .88rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: background var(--transition), color var(--transition);
}

.topic-btn:hover {
  background: var(--surface2);
}

.topic-btn.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

.topic-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.topic-count {
  margin-left: auto;
  font-size: .75rem;
  color: var(--text-muted);
  background: var(--surface2);
  padding: 1px 7px;
  border-radius: 999px;
}

.topic-btn.active .topic-count {
  background: var(--accent-soft);
}

/* Stats sidebar */
.sidebar-stats {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .8rem;
  color: var(--text-muted);
}

.stat-icon { font-size: .95rem; }

.new-count { color: var(--new-badge); font-weight: 600; }

/* ── Main content ───────────────────────────────────────────────────── */
.main {
  padding: 28px 28px 60px;
  min-height: 100%;
}

/* ── State boxes ────────────────────────────────────────────────────── */
.state-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 60px 24px;
  text-align: center;
  color: var(--text-muted);
}

.state-emoji { font-size: 3rem; }

.state-box h3 { font-size: 1.15rem; color: var(--text); }

.code-block {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  font-family: 'Menlo', 'Courier New', monospace;
  font-size: .9rem;
}

.copy-btn {
  font-size: .78rem;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
}

.copy-btn:hover { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }

.hint { font-size: .8rem; color: var(--text-muted); }

/* Spinner */
.spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

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

/* ── Articles grid ──────────────────────────────────────────────────── */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

/* ── Article card ───────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition), transform var(--transition);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  position: relative;
}

.card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

/* Badge "Novo" */
.card-new-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--new-badge);
  color: #fff;
  font-size: .68rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: .06em;
  box-shadow: 0 2px 8px rgba(217,70,239,.4);
  z-index: 2;
}

/* Image */
.card-image {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
  background: var(--surface2);
}

.card-image-placeholder {
  width: 100%;
  height: 120px;
  background: linear-gradient(135deg, var(--accent-soft) 0%, var(--surface2) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
}

/* Card body */
.card-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

/* Topics row */
.card-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.topic-tag {
  font-size: .7rem;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
  color: #fff;
  letter-spacing: .03em;
}

/* Title */
.card-title {
  font-size: .97rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Summary */
.card-summary {
  font-size: .82rem;
  color: var(--text-muted);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Meta (source + date) */
.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .75rem;
  color: var(--text-muted);
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid var(--border);
  gap: 8px;
}

.card-source {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-date { flex-shrink: 0; }

/* ── Modal ──────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(4px);
  animation: fadeIn .15s ease;
}

@keyframes fadeIn { from { opacity: 0; } }

.modal-box {
  background: var(--surface);
  border-radius: var(--radius);
  max-width: 640px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
  padding: 28px;
  box-shadow: 0 20px 60px rgba(0,0,0,.35);
  animation: slideUp .2s ease;
}

@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } }

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 50%;
  background: var(--surface2);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1rem;
  display: grid;
  place-items: center;
  transition: all var(--transition);
}

.modal-close:hover { background: var(--accent-soft); color: var(--accent); }

.modal-topics { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }

.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 12px;
}

.modal-meta {
  font-size: .82rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  display: flex;
  gap: 12px;
}

.modal-image {
  width: 100%;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  max-height: 260px;
  object-fit: cover;
}

.modal-summary {
  font-size: .92rem;
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.modal-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: var(--accent);
  color: #fff;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: .9rem;
  transition: opacity var(--transition);
}

.modal-link:hover { opacity: .85; }

/* ── Scrollbar custom ───────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── Responsivo ─────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 16px;
  }

  .topic-filters {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .topic-btn {
    width: auto;
    padding: 6px 12px;
    font-size: .82rem;
  }

  .topic-count { display: none; }

  .sidebar-stats { flex-direction: row; flex-wrap: wrap; }

  .main { padding: 16px 16px 40px; }

  .articles-grid { grid-template-columns: 1fr; }

  .logo-sub { display: none; }
}