/* ===== VARIÁVEIS DE CORES (LIGHT & DARK MODE) ===== */
:root {
    /* Typography - Clássico e vintage */
    --font-family-primary: 'Georgia', 'Times New Roman', serif;
    --font-family-secondary: 'Helvetica Neue', 'Arial', sans-serif;
    --font-family-mono: 'SF Mono', 'Monaco', 'Consolas', monospace;
    
    /* Light Mode Colors - Alta legibilidade */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --text-primary: #222222;
    --text-secondary: #444444;
    --text-tertiary: #666666;
    --border-color: #cccccc;
    --shadow-color: rgba(0, 0, 0, 0.05);
    
    /* Brand Colors - Ajustados para legibilidade */
    --brand-primary: #2a5769;
    --brand-secondary: #4a7e93;
    --brand-accent: #05717c;
    --brand-success: #2a8540;
    --brand-warning: #b38705;
    --brand-danger: #a52a33;
    
    /* Interactive Elements - Simples e legíveis */
    --link-color: #2a5769;
    --link-hover: #2a5769;
    --button-primary: #2a5769;
    --button-primary-hover: #2a5769;
    
    /* Layout */
    --max-width: 1200px;
    --content-width: 800px;
    --nav-height: 64px;
    --border-radius: 4px;
    --transition: background-color 0.2s ease;
}

/* Dark Mode - Alta legibilidade */
[data-theme="dark"] {
    --bg-primary: #121212;
    --bg-secondary: #1e1e1e;
    --bg-tertiary: #2d2d2d;
    --text-primary: #e6e6e6;
    --text-secondary: #c0c0c0;
    --text-tertiary: #a0a0a0;
    --border-color: #404040;
    --shadow-color: rgba(0, 0, 0, 0.1);
    
    /* Brand Colors for Dark Mode - Mais claros para legibilidade */
    --brand-primary: #6caac2;
    --brand-secondary: #8bc2d4;
    --brand-accent: #7fbbc9;
    --brand-success: #5ab36b;
    --brand-warning: #e6bc3b;
    --brand-danger: #d05a64;
    
    /* Interactive Elements - Simples e legíveis */
    --link-color: #6caac2;
    --link-hover: #6caac2;
    --button-primary: #6caac2;
    --button-primary-hover: #6caac2;
}

/* ===== RESET E BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-secondary);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: var(--transition);
    min-height: 100vh;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-primary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    font-size: 1rem;
    color: var(--text-primary);
}

a {
    color: var(--link-color);
    text-decoration: underline;
}

/* ===== LAYOUT COMPONENTS ===== */
.container-custom {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.content-width {
    max-width: var(--content-width);
    margin: 0 auto;
}

/* ===== NAVBAR ESTILO CLÁSSICO ===== */
.navbar-nyt {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    min-height: 60px;
}

.navbar-nyt .navbar-brand {
    font-family: var(--font-family-primary);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    padding: 0.75rem 0;
}

.brand-icon {
    background-color: var(--brand-primary);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 2px;
    font-weight: 900;
    margin-right: 0.5rem;
    font-size: 0.9em;
}

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

.navbar-nyt .nav-link {
    font-family: var(--font-family-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-primary);
    padding: 1rem 1.25rem;
    border-bottom: 2px solid transparent;
    text-decoration: none;
}

/* Navbar colors consistentes em ambos os modos */
.navbar-nyt .nav-link {
    color: var(--text-primary);
}

.navbar-nyt .nav-link.active {
    color: var(--brand-primary);
    font-weight: bold;
}

/* Dark mode */
[data-theme="dark"] .navbar-nyt .nav-link {
    color: var(--text-primary);
}

[data-theme="dark"] .navbar-nyt .nav-link.active {
    color: var(--brand-primary);
    font-weight: bold;
}

/* Dropdown menu styling */
.navbar-nyt .dropdown-menu {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-top: 0.25rem;
}

.navbar-nyt .dropdown-item {
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.navbar-nyt .dropdown-divider {
    border-color: var(--border-color);
    margin: 0.25rem 0;
}

/* Mobile navbar toggler */
.navbar-nyt .navbar-toggler {
    border: 1px solid var(--border-color);
    padding: 0.5rem;
    color: var(--text-secondary);
}

.navbar-nyt .navbar-toggler:focus {
    outline: none;
}

.navbar-nyt .navbar-toggler-icon {
    background-image: none;
    position: relative;
    width: 20px;
    height: 20px;
}

.navbar-nyt .navbar-toggler-icon::before {
    content: "☰";
    color: var(--text-primary);
    font-size: 1.2rem;
    position: absolute;
    top: -2px;
    left: -2px;
}

/* Theme Toggle Button */
.theme-toggle {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.5rem;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

/* ===== SCROLLBAR PERSONALIZADA ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--brand-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--brand-accent);
}

/* ===== HERO SECTION ===== */
.hero-section {
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-secondary) 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-search {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.search-form {
    display: flex;
    gap: 1rem;
    align-items: stretch;
}

.search-input {
    flex: 1;
    padding: 1rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    outline: none;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.search-btn {
    padding: 1rem 2rem;
    background-color: var(--brand-accent);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.search-btn:hover {
    background-color: var(--brand-primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}

/* ===== FEATURES SECTION ===== */
.features-section {
    padding: 4rem 0;
    background-color: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background-color: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--brand-primary);
    margin-bottom: 1rem;
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== STATS SECTION ===== */
.stats-section {
    padding: 3rem 0;
    background-color: var(--bg-primary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item {
    padding: 2rem 1rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--brand-primary);
    display: block;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* ===== INFO SECTION ===== */
.info-section {
    padding: 4rem 0;
    background-color: var(--bg-secondary);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.info-card {
    background-color: var(--bg-primary);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--brand-primary);
}

.info-card h3 {
    color: var(--brand-primary);
    margin-bottom: 1rem;
}

.info-card ul {
    list-style: none;
    padding: 0;
}

.info-card li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.info-card li:last-child {
    border-bottom: none;
}

.info-card li::before {
    content: "✓";
    color: var(--brand-success);
    font-weight: bold;
    margin-right: 0.5rem;
}

/* ===== BOTÕES E COMPONENTES ===== */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    display: inline-block;
    border: 1px solid var(--border-color);
    cursor: pointer;
    font-family: var(--font-family-secondary);
}

/* Garante que links dentro de botões herdem a cor correta */
.btn a,
.btn a:focus,
.btn a:visited {
    color: inherit;
}

.btn-primary {
    background-color: var(--button-primary);
    color: white;
    border: 1px solid var(--button-primary);
}

.btn-outline {
    background-color: transparent;
    color: var(--brand-primary);
    border: 1px solid var(--brand-primary);
}

.btn-outline-light {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.25rem 0.75rem;
    font-size: 0.85rem;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.85rem;
}

.example-btn {
    margin: 0.25rem;
}

/* ===== CARDS SIMPLES ===== */
.card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.card-header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: 1rem;
}

.card-title {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 2rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
}

.footer-section a:hover {
    color: var(--brand-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .search-form {
        flex-direction: column;
    }
    
    .container-custom {
        padding: 0 1rem;
    }
    
    .navbar-nyt .nav-link {
        padding: 0.75rem 1rem;
        border-bottom: none;
        border-left: 3px solid transparent;
    }
    
    .navbar-nyt .nav-link.active {
        border-left-color: var(--brand-primary);
        border-bottom: none;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    .btn-group-responsive {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-action {
        width: 100%;
        max-width: 280px;
        margin: 0.5rem 0;
    }
    
    .navbar-nyt .navbar-brand {
        font-size: 1.5rem;
    }
    
    .brand-icon {
        font-size: 0.8em;
        padding: 0.2rem 0.4rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .search-input {
        font-size: 1rem;
        padding: 0.875rem 1rem;
    }
    
    .search-btn {
        font-size: 0.9rem;
        padding: 0.875rem 1.5rem;
    }
    
    .example-btn {
        font-size: 0.8rem;
        padding: 0.25rem 0.75rem;
        margin: 0.125rem;
    }
}

/* ===== LOADING STATES ===== */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    border-top-color: var(--brand-primary);
    animation: spin 1s ease-in-out infinite;
}

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

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeInUp 0.6s ease-out;
}

/* ===== UTILITIES ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.d-flex { display: flex; }
.justify-content-between { justify-content: space-between; }
.align-items-center { align-items: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }

.btn-outline-secondary {
    border: 2px solid var(--secondary);
    color: var(--text-secondary);
    border-radius: 25px;
    font-size: 0.8rem;
    transition: all 0.3s ease;
}

.btn-outline-secondary:hover {
    background: var(--secondary);
    color: var(--text-primary);
}

.example-btn {
    margin: 3px;
    font-size: 0.85rem;
}

/* ===== FORMULÁRIOS ===== */
.form-control {
    border-radius: 4px;
    border: 1px solid var(--border-color);
    padding: 8px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.form-control:focus {
    border-color: var(--brand-primary);
    outline: none;
}

.form-control::placeholder {
    color: var(--text-tertiary);
}

/* ===== ALERTAS ===== */
.alert {
    border-radius: 4px;
    border: 1px solid var(--border-color);
    padding: 15px;
}

.alert-light {
    background-color: var(--bg-secondary);
    border-left: 3px solid var(--brand-primary);
    color: var(--text-primary);
}

.alert-success {
    background-color: var(--bg-primary);
    border-left: 3px solid var(--brand-success);
    color: var(--text-primary);
}

.alert-warning {
    background-color: var(--bg-primary);
    border-left: 3px solid var(--brand-warning);
    color: var(--text-primary);
}

.alert-danger {
    background-color: var(--bg-primary);
    border-left: 3px solid var(--brand-danger);
    color: var(--text-primary);
}

/* ===== NAVEGAÇÃO ===== */
.navbar {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 10px 0;
}

.navbar-brand {
    font-weight: bold;
    color: var(--text-primary) !important;
    font-size: 1.5rem;
}

.nav-link {
    margin: 0 5px;
    padding: 8px 15px !important;
    color: var(--text-primary) !important;
    font-weight: 500;
}

.nav-link.active {
    font-weight: 600;
    border-bottom: 2px solid var(--brand-primary);
}

/* ===== ELEMENTOS NCM ===== */
.ncm-item {
    background-color: var(--bg-secondary);
    border-radius: 4px;
    padding: 15px;
    margin: 8px 0;
    border-left: 3px solid var(--brand-primary);
}

.ncm-code {
    font-weight: bold;
    color: var(--brand-primary);
    text-decoration: underline;
}

.ncm-highlight {
    background-color: var(--brand-warning);
    color: white;
    padding: 4px 10px;
    border-radius: 4px;
    font-weight: 600;
}

/* ===== LOADING ===== */
.spinner-border { 
    display: none; 
}

.loading-text {
    animation: pulse 1.5s ease-in-out infinite alternate;
}

@keyframes pulse {
    from { opacity: 1; }
    to { opacity: 0.5; }
}

/* ===== OUTROS ELEMENTOS ===== */
.examples {
    margin-top: 15px;
}

.stats {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.badge {
    font-size: 0.85rem;
    padding: 5px 10px;
    border-radius: 4px;
    font-weight: 500;
}

.badge.bg-success {
    background-color: var(--brand-success) !important;
}

.badge.bg-warning {
    background-color: var(--brand-warning) !important;
}

.badge.bg-danger {
    background-color: var(--brand-danger) !important;
}

.collapse {
    transition: all 0.3s ease;
}

/* ===== RESPOSTA DA IA ===== */
.ai-response {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 20px;
}

.ai-response h1, .ai-response h2, .ai-response h3, .ai-response h4, .ai-response h5, .ai-response h6 {
    color: var(--text-primary);
    margin-top: 15px;
    margin-bottom: 10px;
}

.ai-response h1 { font-size: 1.4rem; }
.ai-response h2 { font-size: 1.3rem; }
.ai-response h3 { font-size: 1.2rem; }
.ai-response h4 { font-size: 1.1rem; }
.ai-response h5 { font-size: 1.05rem; }
.ai-response h6 { font-size: 1rem; }

.ai-response ul, .ai-response ol {
    padding-left: 20px;
    margin-bottom: 15px;
}

.ai-response li {
    margin-bottom: 5px;
    line-height: 1.6;
}

.ai-response p {
    margin-bottom: 12px;
    line-height: 1.6;
    color: var(--text-primary);
}

.ai-response strong {
    color: var(--text-primary);
    font-weight: 600;
}

.ai-response em {
    color: var(--text-primary);
    font-style: italic;
}

.ai-response code {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.9em;
    border: 1px solid var(--border-color);
}

.ai-response hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 15px 0;
}

.ai-response blockquote {
    border-left: 3px solid var(--brand-primary);
    padding-left: 15px;
    margin: 15px 0;
    color: var(--text-primary);
    font-style: italic;
    background-color: var(--bg-secondary);
    padding: 10px;
    border-radius: 4px;
}

/* ===== TÍTULOS E TEXTO ===== */
h1 { 
    margin-bottom: 30px; 
    color: white;
    text-shadow: 2px 2px 8px rgba(0,18,25,0.4);
    font-weight: 700;
}

h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 600;
}

.text-primary {
    color: var(--primary) !important;
}

.text-secondary {
    color: var(--text-secondary) !important;
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 768px) {
    .container {
        margin-top: 20px;
        padding: 0 15px;
    }
    
    .card {
        margin-top: 20px;
    }
    
    .btn-primary {
        padding: 8px 20px;
    }
    
    .example-btn {
        font-size: 0.8rem;
        margin: 2px;
    }
}

/* ===== ESTILOS ESPECÍFICOS PARA TABELA (JSTREE) ===== */
.jstree-default .jstree-icon {
    background-image: none;
}

.jstree-default .jstree-node {
    min-height: 24px;
    line-height: 24px;
    margin-left: 24px;
    min-width: 24px;
}

.jstree-default .jstree-anchor {
    line-height: 24px;
    height: 24px;
}

.jstree-default .jstree-clicked {
    background: var(--primary);
    border-radius: 6px;
}

.jstree-default .jstree-hovered {
    background: var(--tiffany-blue-700);
    border-radius: 6px;
}

/* ===== ESTILOS PARA TABELA ===== */
.table {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-collapse: collapse;
}

.table th {
    background-color: var(--brand-primary);
    color: white;
    font-weight: 600;
    padding: 12px;
}

.table td {
    border-color: var(--border-color);
    vertical-align: middle;
    padding: 10px;
}

.table-hover tbody tr:hover {
    background-color: var(--bg-secondary);
}

/* ===== ESTATÍSTICAS ===== */
.stats-card {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-primary);
    padding: 1rem;
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--brand-primary);
    margin-bottom: 15px;
}

/* ===== AÇÕES RÁPIDAS ===== */
.btn-action {
    margin: 8px;
    border-radius: 4px;
    padding: 10px 20px;
    font-weight: 500;
    color: inherit;
}

.btn-action.btn-primary {
    color: white;
}

.btn-action.btn-outline {
    color: var(--brand-primary);
}

.btn-group-responsive {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

@media (max-width: 768px) {
    .btn-group-responsive {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-action {
        width: 100%;
        max-width: 250px;
    }
}

/* ===== BREADCRUMB ===== */
.breadcrumb {
    background-color: var(--bg-secondary);
    border-radius: 4px;
    padding: 8px 15px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

.breadcrumb-item + .breadcrumb-item::before {
    color: var(--text-secondary);
}

.breadcrumb-item.active {
    color: var(--text-primary);
    font-weight: 600;
}

.breadcrumb-item a {
    color: var(--text-secondary);
    text-decoration: underline;
}

/* ===== PAGINAÇÃO ===== */
.pagination {
    justify-content: center;
}

.page-link {
    color: var(--text-primary);
    border-radius: 4px;
    margin: 0 3px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-primary);
}

.page-item.active .page-link {
    background-color: var(--brand-primary);
    border-color: var(--brand-primary);
    color: white;
}

/* ===== UTILITÁRIOS ===== */
.text-white-shadow {
    text-shadow: 2px 2px 8px rgba(0,18,25,0.4);
}

.bg-gradient-primary {
    background: linear-gradient(45deg, var(--primary), var(--primary-hover));
}

.shadow-custom {
    box-shadow: 0 8px 25px rgba(0,18,25,0.15);
}

/* ===== ANIMAÇÕES PERSONALIZADAS ===== */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 8px 25px rgba(10,147,150,0.3);
    }
    50% {
        box-shadow: 0 12px 35px rgba(10,147,150,0.5);
    }
}

.float-animation {
    animation: float 3s ease-in-out infinite;
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

.pulse-glow {
    animation: pulse-glow 2s ease-in-out infinite;
}

/* ===== EFEITOS SIMPLIFICADOS ===== */
.glass-effect {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.glass-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
}

/* ===== TEXTO DESTACADO ===== */
.gradient-text {
    color: var(--brand-primary);
    font-weight: bold;
}

.gradient-border {
    border: 1px solid var(--brand-primary);
}

/* ===== ESTILOS PARA MODAL DE LOGIN OBRIGATÓRIO ===== */
.login-notice-section {
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

[data-theme="dark"] .login-notice-section {
    background: linear-gradient(135deg, #1e1e1e 0%, #2d2d2d 100%);
    border-bottom-color: var(--border-color);
}

#loginRequiredModal .modal-content {
    border: none;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

#loginRequiredModal .modal-header {
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-secondary) 100%);
    color: white;
    border: none;
    border-radius: 12px 12px 0 0;
    padding: 1.5rem;
}

#loginRequiredModal .modal-header .btn-close {
    filter: brightness(0) invert(1);
}

#loginRequiredModal .modal-body {
    padding: 2rem;
    background: var(--bg-primary);
}

#loginRequiredModal .modal-body i.bi-info-circle {
    margin-bottom: 1rem;
}

#loginRequiredModal .btn {
    border-radius: 6px;
    padding: 0.5rem 1.5rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

#loginRequiredModal .btn-primary {
    background: var(--brand-primary);
    border-color: var(--brand-primary);
}

#loginRequiredModal .btn-primary:hover {
    background: var(--brand-secondary);
    border-color: var(--brand-secondary);
    transform: translateY(-1px);
}

#loginRequiredModal .btn-outline-primary:hover {
    transform: translateY(-1px);
}

/* ===== ESTILOS PARA ALERTAS DE LOGIN ===== */
.alert-info {
    background: rgba(42, 87, 105, 0.1);
    border-color: var(--brand-primary);
    color: var(--text-primary);
}

[data-theme="dark"] .alert-info {
    background: rgba(42, 87, 105, 0.2);
    border-color: var(--brand-primary);
}

.alert-info .btn-info {
    background: var(--brand-primary);
    border-color: var(--brand-primary);
    color: white;
}

.alert-info .btn-outline-info {
    color: var(--brand-primary);
    border-color: var(--brand-primary);
}

.alert-info .btn-outline-info:hover {
    background: var(--brand-primary);
    color: white;
}

/* ===== MODAL DE LOGIN OBRIGATÓRIO ===== */
#loginRequiredModal .modal-content {
    border: none;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

#loginRequiredModal .modal-header {
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-secondary) 100%);
    color: white;
    border-radius: 12px 12px 0 0;
    border-bottom: none;
}

#loginRequiredModal .modal-title {
    font-weight: 600;
}

#loginRequiredModal .btn-close {
    filter: brightness(0) invert(1);
}

#loginRequiredModal .modal-body {
    padding: 2rem;
}

#loginRequiredModal .btn {
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.2s ease;
}

#loginRequiredModal .btn:hover {
    transform: translateY(-1px);
}

/* Banner de login em páginas específicas */
.login-required-banner {
    background: linear-gradient(135deg, rgba(42, 87, 105, 0.05) 0%, rgba(74, 126, 147, 0.05) 100%);
    border: 1px solid rgba(42, 87, 105, 0.2);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.login-required-banner:hover {
    border-color: rgba(42, 87, 105, 0.3);
    box-shadow: 0 4px 12px rgba(42, 87, 105, 0.1);
}

.login-required-banner .alert-heading {
    color: var(--brand-primary);
}

/* Animação para o ícone do modal */
#loginRequiredModal .modal-body i.bi-info-circle {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Tema escuro para modal e banner */
[data-theme="dark"] #loginRequiredModal .modal-content {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

[data-theme="dark"] .login-required-banner {
    background: linear-gradient(135deg, rgba(42, 87, 105, 0.1) 0%, rgba(74, 126, 147, 0.1) 100%);
    border-color: rgba(42, 87, 105, 0.3);
}

[data-theme="dark"] .login-required-banner:hover {
    border-color: rgba(42, 87, 105, 0.5);
    box-shadow: 0 4px 12px rgba(42, 87, 105, 0.2);
}

/* ===== ESTILOS PARA CONSULTAS SIMILARES ===== */
.similar-query-card {
    border: 2px solid rgba(13, 202, 240, 0.2);
    border-radius: 12px;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, rgba(13, 202, 240, 0.02) 0%, rgba(25, 135, 84, 0.02) 100%);
}

.similar-query-card:hover {
    border-color: rgba(13, 202, 240, 0.4);
    box-shadow: 0 4px 12px rgba(13, 202, 240, 0.1);
    transform: translateY(-2px);
}

.similarity-badge {
    background: linear-gradient(135deg, #198754 0%, #20c997 100%);
    color: white;
    font-weight: 600;
    border-radius: 20px;
    padding: 4px 12px;
    font-size: 0.85rem;
}

.user-badge {
    border-radius: 20px;
    font-size: 0.8rem;
    padding: 4px 10px;
    font-weight: 500;
}

.query-original {
    background: rgba(13, 202, 240, 0.05);
    border-left: 4px solid #0dcaf0;
    padding: 12px;
    border-radius: 8px;
    font-style: italic;
    margin: 8px 0;
}

.query-result {
    background: rgba(25, 135, 84, 0.05);
    border-left: 4px solid #198754;
    padding: 12px;
    border-radius: 8px;
    margin: 8px 0;
}

.action-buttons-container {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.1) 0%, rgba(255, 193, 7, 0.05) 100%);
    border: 2px dashed rgba(255, 193, 7, 0.3);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
}

.action-buttons {
    gap: 12px;
}

.action-buttons .btn {
    border-radius: 25px;
    padding: 10px 20px;
    font-weight: 500;
    transition: all 0.3s ease;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

.action-buttons .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.economy-tip {
    background: linear-gradient(135deg, rgba(25, 135, 84, 0.05) 0%, rgba(32, 201, 151, 0.05) 100%);
    border: 1px solid rgba(25, 135, 84, 0.2);
    border-radius: 8px;
    padding: 10px;
    margin-top: 10px;
}

/* Loading states para verificação de similaridade */
.similarity-check-loading {
    background: linear-gradient(135deg, rgba(13, 202, 240, 0.1) 0%, rgba(13, 202, 240, 0.05) 100%);
    border: 2px dashed rgba(13, 202, 240, 0.3);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
}

.similarity-check-loading .spinner-border {
    color: #0dcaf0;
}

/* Tema escuro para consultas similares */
[data-theme="dark"] .similar-query-card {
    background: linear-gradient(135deg, rgba(13, 202, 240, 0.05) 0%, rgba(25, 135, 84, 0.05) 100%);
    border-color: rgba(13, 202, 240, 0.3);
}

[data-theme="dark"] .similar-query-card:hover {
    border-color: rgba(13, 202, 240, 0.6);
    box-shadow: 0 4px 12px rgba(13, 202, 240, 0.2);
}

[data-theme="dark"] .query-original {
    background: rgba(13, 202, 240, 0.1);
    border-color: #0dcaf0;
}

[data-theme="dark"] .query-result {
    background: rgba(25, 135, 84, 0.1);
    border-color: #198754;
}

[data-theme="dark"] .action-buttons-container {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.15) 0%, rgba(255, 193, 7, 0.1) 100%);
    border-color: rgba(255, 193, 7, 0.4);
}

[data-theme="dark"] .economy-tip {
    background: linear-gradient(135deg, rgba(25, 135, 84, 0.1) 0%, rgba(32, 201, 151, 0.1) 100%);
    border-color: rgba(25, 135, 84, 0.3);
}

[data-theme="dark"] .similarity-check-loading {
    background: linear-gradient(135deg, rgba(13, 202, 240, 0.15) 0%, rgba(13, 202, 240, 0.1) 100%);
    border-color: rgba(13, 202, 240, 0.4);
}

/* Animações para as consultas similares */
.similar-query-card {
    animation: slideInUp 0.5s ease-out;
}

.action-buttons .btn {
    animation: fadeInScale 0.6s ease-out;
}

@keyframes slideInUp {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInScale {
    0% {
        opacity: 0;
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Responsividade para consultas similares */
@media (max-width: 768px) {
    .action-buttons {
        flex-direction: column;
        gap: 8px;
    }
    
    .action-buttons .btn {
        width: 100%;
        font-size: 0.85rem;
        padding: 8px 16px;
    }
    
    .similar-query-card {
        margin-bottom: 15px;
    }
    
    .query-original, .query-result {
        padding: 10px;
        font-size: 0.9rem;
    }
}