:root {
    --bg-color: #ffffff;
    --text-color: #1a1a1a;
    --card-bg: #fdfdfd;
    --card-border: #e2e8f0;
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --text-muted: #64748b;
    --header-bg: #ffffff;
    --sidebar-bg: #f8fafc;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --transition: all 0.3s ease;
}

[data-theme="dark"] {
    --bg-color: #0f172a;
    --text-color: #f1f5f9;
    --card-bg: #1e293b;
    --card-border: #334155;
    --primary-color: #3b82f6;
    --primary-hover: #60a5fa;
    --text-muted: #94a3b8;
    --header-bg: #1e293b;
    --sidebar-bg: #1e293b;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.5;
    transition: var(--transition);
}

/* CABEÇALHO */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--header-bg);
    border-bottom: 1px solid var(--card-border);
    box-shadow: var(--shadow);
    padding: 1rem 2rem;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.logo-area h1 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: 0.5px;
}

.logo-area p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.header-subtitle span {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.header-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.btn-icon, .menu-hamburguer {
    background: none;
    border: 1px solid var(--card-border);
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-color);
    background-color: var(--card-bg);
    transition: var(--transition);
}

.btn-icon:hover, .menu-hamburguer:hover {
    border-color: var(--primary-color);
}

.menu-hamburguer {
    display: none;
}

/* LAYOUT PRINCIPAL */
.main-layout {
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    min-height: calc(100vh - 80px);
}

/* SIDEBAR */
.sidebar {
    width: 260px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--card-border);
    padding: 1.5rem 1rem;
    position: sticky;
    top: 80px;
    height: calc(100vh - 80px);
    overflow-y: auto;
    transition: var(--transition);
}

.sidebar-header {
    display: none;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

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

.nav-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.nav-link {
    display: block;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    background-color: var(--primary-color);
    color: #ffffff;
}

/* CONTEÚDO */
.content {
    flex: 1;
    padding: 2rem;
    overflow-x: hidden;
}

/* HERO SECTION */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color), #1e40af);
    color: #ffffff;
    border-radius: 16px;
    padding: 2.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.hero-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.hero-content p {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
    max-width: 800px;
}

.hero-buttons {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.hero-btn {
    background-color: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #ffffff;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.hero-btn:hover {
    background-color: #ffffff;
    color: var(--primary-color);
}

/* BARRA DE PESQUISA */
.search-bar-container {
    margin-bottom: 2rem;
}

#search-input {
    width: 100%;
    padding: 0.9rem 1.2rem;
    border-radius: 10px;
    border: 1px solid var(--card-border);
    background-color: var(--card-bg);
    color: var(--text-color);
    font-size: 1rem;
    box-shadow: var(--shadow);
    outline: none;
    transition: var(--transition);
}

#search-input:focus {
    border-color: var(--primary-color);
}

/* CONTADORES */
.counters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.counter-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow);
}

.counter-icon {
    font-size: 1.8rem;
}

.counter-card h4 {
    font-size: 1.2rem;
    font-weight: 700;
}

.counter-card p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* DESTAQUES & CARDS */
.highlights-section {
    margin-bottom: 2.5rem;
}

.highlights-section h3, .section-title-wrapper h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-title-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

#results-count {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.2rem;
}

/* CARD INDIVIDUAL */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

.card:hover {
    transform: translateY(-3px);
    border-color: var(--primary-color);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

.card-icon {
    font-size: 1.8rem;
}

.card-fav-btn {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

.card-body {
    margin-bottom: 1.2rem;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.card-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--card-border);
    padding-top: 0.75rem;
}

.card-badge {
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    font-weight: 500;
}

.card-btn {
    background-color: var(--primary-color);
    color: #ffffff;
    border: none;
    padding: 0.4rem 0.9rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
}

.card-btn:hover {
    background-color: var(--primary-hover);
}

/* BALÃO DE DICA */
.tip-modal {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 320px;
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    z-index: 2000;
    padding: 1rem;
    animation: slideUp 0.4s ease;
}

.tip-modal.hidden {
    display: none;
}

.tip-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

#close-tip {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--text-muted);
}

.tip-body p {
    font-size: 0.9rem;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.tip-footer {
    display: flex;
    justify-content: flex-end;
}

.tip-btn {
    background-color: var(--primary-color);
    color: #ffffff;
    border: none;
    padding: 0.3rem 0.8rem;
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
}

@keyframes slideUp {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* BOTÃO VOLTAR AO TOPO */
.back-to-top {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background-color: var(--primary-color);
    color: #ffffff;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    z-index: 1500;
    transition: var(--transition);
}

.back-to-top.visible {
    display: flex;
}

.back-to-top:hover {
    background-color: var(--primary-hover);
}

/* RODAPÉ */
.footer {
    background-color: var(--sidebar-bg);
    border-top: 1px solid var(--card-border);
    padding: 2rem;
    text-align: center;
    margin-top: 3rem;
}

.footer-content h3 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 0.3rem;
}

.footer-content p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.3rem;
}

.dev-tag {
    font-weight: 600;
    color: var(--text-color) !important;
}

.copy {
    font-size: 0.75rem !important;
    margin-top: 0.5rem;
}

/* RESPONSIVIDADE */
@media (max-width: 900px) {
    .sidebar {
        position: fixed;
        left: -280px;
        z-index: 1100;
        height: 100vh;
        top: 0;
    }

    .sidebar.open {
        left: 0;
    }

    .sidebar-header {
        display: flex;
    }

    .menu-hamburguer {
        display: block;
    }

    .header-subtitle {
        display: none;
    }

    .content {
        padding: 1rem;
    }
}