/* =====================================================
   RESET & VARIÁVEIS (PADRÃO: LIGHT MODE)
===================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #5093cd;
    --primary-light: #DBEAFE;
    --green: #22C55E;
    --purple: #8B5CF6;
    --orange: #F97316;
    --text: #3b82f6;         
    --text-light: #64748B;
    --border: #E2E8F0;
    --background: #F8FAFC;    /* Fundo Claro */
    --card: #FFFFFF;          /* Card Branco */
    --shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
    --radius: 16px;
}

/* =====================================================
   MODO ESCURO (DARK MODE SUAVIZADO)
===================================================== */
body.dark {
    --background: #0F172A;    /* Fundo Escuro */
    --card: #1E293B;          /* Card Escuro */
    --text: #F8FAFC;          /* Texto Claro */
    --text-light: #94A3B8;
    --border: #334155;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--background);
    color: var(--text);
    transition: background 0.3s ease, color 0.3s ease;
    -webkit-font-smoothing: antialiased;
}

/* =====================================================
   LAYOUT DA ESTRUTURA (APP CONTAINER)
===================================================== */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* SIDEBAR */
.sidebar {
    width: 320px;
    background: #213546;
    border-right: 1px solid var(--border);
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    flex-shrink: 0;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
}

.sidebar-brand i {
    font-size: 24px;
    color: var(--primary);
}

.back-link {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-light);
    font-size: 14px;
    font-weight: 600;
    padding: 10px 14px;
    border-radius: 10px;
    background: var(--background);
    border: 1px solid var(--border);
    transition: 0.2s ease;
}

.back-link:hover {
    color: var(--primary);
    border-color: var(--primary);
}

.sidebar-dashboard {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.dashboard-card {
    background: var(--background);
    padding: 16px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 14px;
    border: 1px solid var(--border);
}

.dashboard-card i { font-size: 20px; color: var(--primary); }
.dashboard-card h3 { font-size: 20px; font-weight: 700; color: var(--text); }
.dashboard-card span { color: var(--text-light); font-size: 12px; }

/* CONTEÚDO PRINCIPAL */
.main-content {
    flex: 1;
    padding: 40px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* =====================================================
   HERO & TOOLBAR
===================================================== */
.hero {
    background: var(--card);
    border-radius: var(--radius);
    padding: 28px 32px;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.hero h1 { font-size: 26px; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.hero p { color: var(--text-light); font-size: 14px; line-height: 1.6; }

.toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.search-box {
    flex: 1;
    display: flex;
    align-items: center;
    background: var(--card);
    border-radius: 12px;
    padding: 12px 18px;
    border: 1px solid var(--border);
    transition: 0.2s;
}

.search-box:focus-within {
    border-color: var(--primary);
}

.search-box i { color: var(--text-light); margin-right: 10px; }
.search-box input {
    width: 100%;
    border: none;
    outline: none;
    font-size: 14px;
    font-family: inherit;
    background: none;
    color: var(--text);
}

#darkMode, #showFavorites {
    border: 1px solid var(--border);
    padding: 12px 18px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--card);
    color: var(--text);
    transition: 0.2s ease;
}

#darkMode:hover, #showFavorites:hover { transform: translateY(-2px); }

/* =====================================================
   SEÇÃO ACESSO RÁPIDO & CARDS
===================================================== */
.quick-links-section {
    background: var(--card);
    padding: 20px;
    border-radius: var(--radius);
    margin-bottom: 24px;
    border: 1px solid var(--border);
}

.quick-header h2 {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text);
}

.text-amber { color: #D97706; }

.quick-links-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.quick-chip {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--background);
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 13px;
    border: 1px solid var(--border);
    color: var(--text);
}

.quick-chip a { text-decoration: none; color: inherit; }

.cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.card {
    background: var(--card);
    border-radius: var(--radius);
    padding: 20px;
    border: 1px solid var(--border);
    transition: 0.3s ease;
}

.card-header {
    display: flex;
    gap: 14px;
    align-items: center;
    cursor: pointer;
}

.card-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    flex-shrink: 0;
}

.icon-blue { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.icon-green { background: linear-gradient(135deg, #22c55e, #16a34a); }
.icon-purple { background: linear-gradient(135deg, #8b5cf6, #6d28d9); }
.icon-orange { background: linear-gradient(135deg, #fb923c, #ea580c); }

.card-title { font-size: 18px; font-weight: 700; color: var(--text); }
.card-description { color: var(--text-light); font-size: 13px; }

.card hr { border: none; border-top: 1px solid var(--border); margin: 14px 0; }

.collapsible-list {
    max-height: 0;
    overflow: hidden;
    list-style: none;
    transition: max-height 0.35s ease;
}

.collapsible-list.visible {
    max-height: 1000px;
}

.link-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 8px;
    border-radius: 8px;
}

.link-container:hover { background: var(--background); }

.links a {
    text-decoration: none;
    color: var(--text);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.action-btn {
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 14px;
    padding: 4px;
    color: var(--text-light);
}

.action-btn.active { color: #F59E0B; }

mark {
    background: #FEF08A;
    color: #1E293B;
    padding: 0 2px;
    border-radius: 3px;
}

/* =====================================================
   INFO BOX & FOOTER
===================================================== */
.info-box {
    background: var(--background);
    border-radius: 12px;
    padding: 14px;
    display: flex;
    gap: 12px;
    border: 1px solid var(--border);
    margin-top: auto;
}

.info-icon { color: var(--primary); font-size: 18px; }
.info-box h3 { font-size: 13px; margin-bottom: 2px; color: var(--text); }
.info-box p { font-size: 11px; color: var(--text-light); line-height: 1.4; }

footer {
    font-size: 11px;
    color: var(--text-light);
    text-align: center;
}

/* TOAST & BUTTON */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--primary);
    color: #fff;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    opacity: 0;
    transform: translateY(20px);
    transition: 0.3s ease;
    pointer-events: none;
}

.toast.show { opacity: 1; transform: translateY(0); }

#topButton {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: var(--primary);
    color: #fff;
    cursor: pointer;
    display: none;
}

/* RESPONSIVIDADE */
@media(max-width: 1024px) {
    .cards-grid { grid-template-columns: 1fr; }
}

@media(max-width: 768px) {
    .app-container { flex-direction: column; }
    .sidebar { width: 100%; height: auto; position: relative; }
    .main-content { padding: 20px; }
}