/* ============================================
   VARIÁVEIS CSS
   ============================================ */
:root {
    /* Cores do Brasil */
    --color-green: #009c3b;
    --color-yellow: #ffcd00;
    --color-blue: #002776;
    --color-white: #ffffff;
    --color-dark: #1a1a1a;
    
    /* Cores Secundárias */
    --color-primary: #0078d4;
    --color-success: #107c10;
    --color-warning: #ffc107;
    --color-danger: #d13438;
    --color-info: #0078d4;
    
    /* Cores de Fundo */
    --bg-primary: #f3f3f3;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e8e8e8;
    
    /* Cores de Texto */
    --text-primary: #1a1a1a;
    --text-secondary: #595959;
    --text-tertiary: #8a8a8a;
    
    /* Cores de Borda */
    --border-color: #d0d0d0;
    
    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);
    
    /* Transições */
    --transition: all 0.3s ease;
}


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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: var(--transition);
    line-height: 1.6;
}

/* ============================================
   NAVBAR
   ============================================ */
#navbar {
    background: linear-gradient(135deg, var(--color-blue) 0%, var(--color-green) 100%) !important;
    box-shadow: var(--shadow-md);
}

#navbar .navbar-brand {
    font-size: 1.3rem;
    letter-spacing: 0.5px;
}

#navbar .nav-link {
    transition: var(--transition);
    margin-left: 0.5rem;
}

#navbar .nav-link:hover {
    color: var(--color-yellow) !important;
    transform: translateY(-2px);
}

#navbar .nav-link.active {
    color: var(--color-yellow) !important;
    border-bottom: 2px solid var(--color-yellow);
}

#themeToggle {
    transition: var(--transition);
}

#themeToggle:hover {
    transform: rotate(20deg);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
    background: linear-gradient(135deg, var(--color-blue) 0%, var(--color-green) 50%, var(--color-yellow) 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    position: relative;
    overflow: hidden;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.hero-section h1 {
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: slideInDown 0.8s ease;
}

.hero-section p {
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
    animation: slideInUp 0.8s ease;
}

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

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

/* ============================================
   STAT CARDS
   ============================================ */
.stat-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 2rem;
    transition: var(--transition);
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.stat-card h5 {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.stat-card p {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* ============================================
   FILTROS
   ============================================ */
#filtersSection {
    background-color: var(--bg-secondary);
    border-bottom: 2px solid var(--border-color);
}

.form-label {
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-select,
.form-control {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    transition: var(--transition);
}

.form-select:focus,
.form-control:focus {
    background-color: var(--bg-tertiary);
    border-color: var(--color-primary);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem rgba(0, 120, 212, 0.25);
}

.form-select option {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

/* ============================================
   GRÁFICOS
   ============================================ */
#chartsSection {
    background-color: var(--bg-primary);
}

.chart-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.chart-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.chart-card .card-header {
    padding: 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

.chart-card .card-body {
    padding: 1.5rem;
    position: relative;
    min-height: 350px;
}

.bg-gradient-brazil {
    background: linear-gradient(135deg, var(--color-blue) 0%, var(--color-green) 100%) !important;
}

/* ============================================
   TABELA
   ============================================ */
#tableSection {
    background-color: var(--bg-primary);
}

.table {
    color: var(--text-primary);
    background-color: var(--bg-secondary);
}

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

.table-dark {
    background-color: var(--color-blue);
    color: white;
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: var(--bg-tertiary);
}

.table-responsive {
    border-radius: 8px;
    overflow: hidden;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: linear-gradient(135deg, var(--color-blue) 0%, var(--color-green) 100%);
    color: white;
    margin-top: auto;
}

.footer a {
    color: var(--color-yellow);
    transition: var(--transition);
}

.footer a:hover {
    color: white;
    text-decoration: underline;
}

.footer hr {
    border-color: rgba(255, 255, 255, 0.2);
}

/* ============================================
   CARDS GERAIS
   ============================================ */
.card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

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

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

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

/* ============================================
   BOTÕES
   ============================================ */
.btn {
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.btn-primary:hover {
    background-color: #0066b8;
    border-color: #0066b8;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-light {
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline-light:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: white;
}

/* ============================================
   ALERTAS
   ============================================ */
.alert {
    border-radius: 8px;
    border: none;
    transition: var(--transition);
}

.alert-success {
    background-color: rgba(16, 124, 16, 0.1);
    color: var(--color-success);
    border-left: 4px solid var(--color-success);
}

.alert-danger {
    background-color: rgba(209, 52, 56, 0.1);
    color: var(--color-danger);
    border-left: 4px solid var(--color-danger);
}

.alert-info {
    background-color: rgba(0, 120, 212, 0.1);
    color: var(--color-info);
    border-left: 4px solid var(--color-info);
}

.alert-warning {
    background-color: rgba(255, 193, 7, 0.1);
    color: #856404;
    border-left: 4px solid var(--color-warning);
}

/* ============================================
   FORMULÁRIOS
   ============================================ */
.form-check-input {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
}

.form-check-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.form-check-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem rgba(0, 120, 212, 0.25);
}

/* ============================================
   RESPONSIVIDADE
   ============================================ */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2rem;
    }

    .hero-section p {
        font-size: 1rem;
    }

    .stat-card {
        padding: 1.5rem;
    }

    .stat-card h5 {
        font-size: 1.5rem;
    }

    .stat-card p {
        font-size: 0.95rem;
    }

    .chart-card .card-body {
        min-height: 300px;
    }

    #filtersSection .row {
        flex-direction: column;
    }

    #filtersSection .col-md-3 {
        margin-bottom: 1rem;
    }

    .table {
        font-size: 0.85rem;
    }

    .navbar-brand {
        font-size: 1.1rem;
    }
}

@media (max-width: 576px) {
    .hero-section h1 {
        font-size: 1.5rem;
    }

    .hero-section p {
        font-size: 0.9rem;
    }

    .stat-card {
        padding: 1rem;
        margin-bottom: 1rem;
    }

    .stat-card h5 {
        font-size: 1.2rem;
    }

    .stat-card p {
        font-size: 0.85rem;
    }

    .chart-card .card-body {
        min-height: 250px;
    }

    .table {
        font-size: 0.75rem;
    }

    .btn {
        font-size: 0.85rem;
        padding: 0.5rem 1rem;
    }

    .navbar-brand {
        font-size: 1rem;
    }

    .container-fluid {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }
}

/* ============================================
   ACESSIBILIDADE
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visível para navegação por teclado */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ============================================
   SCROLLBAR CUSTOMIZADA
   ============================================ */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-blue);
}

/* ============================================
   ANIMAÇÕES ADICIONAIS
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        transform: translateX(-20px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn 0.5s ease;
}

.slide-in {
    animation: slideIn 0.5s ease;
}

/* ============================================
   LOADING SPINNER
   ============================================ */
.spinner-border {
    color: var(--color-primary);
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.2em;
}

/* ============================================
   TOOLTIP E POPOVER
   ============================================ */
.tooltip-inner {
    background-color: var(--text-primary);
    color: var(--bg-secondary);
}

.popover {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.popover-header {
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

/* ============================================
   IMPRESSÃO
   ============================================ */
@media print {
    #navbar,
    .footer,
    #filtersSection {
        display: none;
    }

    body {
        background-color: white;
        color: black;
    }

    .card,
    .chart-card {
        page-break-inside: avoid;
    }
}