:root {
    /* Light Theme (Default) */
    --bg-color: #f4f7f6;
    --card-bg: #ffffff;
    --text-color: #333333;
    --text-muted: #7f8c8d;
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #3498db;
    --success-color: #27ae60;
    --danger-color: #e74c3c;
    --border-color: #ddd;
    --header-bg: #2c3e50;
    --header-text: #ecf0f1;
    --input-bg: #ffffff;
    --input-border: #ccc;
    --table-stripe: #f9f9f9;
}

[data-theme="dark"] {
    /* Dark Theme - Ajustado para melhor contraste */
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --text-color: #f5f5f5;
    --text-muted: #b0b0b0;
    --primary-color: #5dade2;
    /* Azul mais claro */
    --secondary-color: #ecf0f1;
    --accent-color: #3498db;
    --success-color: #4cd137;
    /* Verde neon mais legível */
    --danger-color: #ff5252;
    /* Vermelho claro mais legível */
    --border-color: #333;
    --header-bg: #000000;
    --header-text: #ffffff;
    --input-bg: #2c2c2c;
    --input-border: #444;
    --table-stripe: #252525;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* ================= HEADER NOVO ================= */
header {
    background-color: var(--header-bg);
    color: var(--header-text);
    padding: 0;
    margin-bottom: 30px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 1000;
}

header .container.header-content {
    width: 100%;
    max-width: none;
    margin: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    position: relative;
    min-height: 80px;
}

/* Logo Centralizado (Absoluto) */
.brand {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 1001;
}

.brand img {
    height: 70px;
    width: auto;
    display: block;
    transition: transform 0.3s ease;
}

.brand img:hover {
    transform: scale(1.05);
}

/* Botão do Menu (Hambúrguer) */
.menu-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1002;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--header-text);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* Efeito Hover no Menu */
.menu-btn:hover span {
    background-color: var(--accent-color);
    box-shadow: 0 0 8px rgba(52, 152, 219, 0.6);
}

/* Animação do Botão X quando aberto */
.menu-btn.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.menu-btn.open span:nth-child(2) {
    opacity: 0;
}

.menu-btn.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* ================= SIDEBAR MENU ================= */
header nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 250px;
    height: 100vh;
    background-color: var(--header-bg);
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.2);
    z-index: 990;
    padding-top: 90px;
    overflow-y: auto;
}

header nav.active {
    transform: translateX(0);
}

header nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
}

/* Animação em Cascata */
header nav ul li {
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    width: 100%;
}

header nav.active ul li {
    opacity: 1;
    transform: translateX(0);
}

/* Delays */
header nav.active ul li:nth-child(1) {
    transition-delay: 0.10s;
}

header nav.active ul li:nth-child(2) {
    transition-delay: 0.15s;
}

header nav.active ul li:nth-child(3) {
    transition-delay: 0.20s;
}

header nav.active ul li:nth-child(4) {
    transition-delay: 0.25s;
}

header nav.active ul li:nth-child(5) {
    transition-delay: 0.30s;
}

header nav.active ul li:nth-child(6) {
    transition-delay: 0.35s;
}

header nav.active ul li:nth-child(7) {
    transition-delay: 0.40s;
}

header nav.active ul li:nth-child(8) {
    transition-delay: 0.45s;
}

header nav.active ul li:nth-child(9) {
    transition-delay: 0.50s;
}

header nav.active ul li:nth-child(10) {
    transition-delay: 0.55s;
}

header nav.active ul li:nth-child(11) {
    transition-delay: 0.60s;
}

header nav.active ul li:nth-child(12) {
    transition-delay: 0.65s;
}

header nav.active ul li:nth-child(13) {
    transition-delay: 0.70s;
}

/* Links do Menu */
header nav a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-weight: 400;
    padding: 12px 25px;
    transition: all 0.2s ease;
    display: block;
    width: 100%;
    text-align: left;
    font-size: 0.95rem;
    border-left: 3px solid transparent;
}

header nav a:hover {
    color: white;
    background-color: rgba(255, 255, 255, 0.05);
    border-left-color: var(--accent-color);
    padding-left: 30px;
}

/* ================= GERAL / CARDS / TABELAS ================= */
.card {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
    transition: background-color 0.3s;
}

h1,
h2,
h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 15px;
    background-color: var(--accent-color);
    color: white;
    text-decoration: none;
    border-radius: 5px;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #2980b9;
}

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

.btn-danger:hover {
    background-color: #c0392b;
}

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

/* Forms */
.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: var(--text-color);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--input-border);
    border-radius: 4px;
    font-size: 16px;
    background-color: var(--input-bg);
    color: var(--text-color);
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

th,
td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: var(--bg-color);
    font-weight: bold;
    color: var(--primary-color);
}

tr:hover {
    background-color: var(--table-stripe);
}

/* --- Correção para Linha de Totais (Visibilidade no Dark Mode) --- */
tfoot tr,
tr.total,
table tr:last-child {
    font-weight: bold;
    background-color: #f8f9fa;
    /* Padrão Light */
    color: var(--primary-color);
}

/* Correção Dark Mode */
[data-theme="dark"] tfoot tr,
[data-theme="dark"] tr.total,
[data-theme="dark"] table tr:last-child {
    background-color: rgba(255, 255, 255, 0.05) !important;
    /* Fundo escuro translúcido */
    color: var(--text-color) !important;
    /* Texto claro */
    border-top: 1px solid var(--border-color);
}

/* Ajuste específico para classes de cor dentro do Dark Mode */
[data-theme="dark"] .text-success {
    color: var(--success-color) !important;
}

[data-theme="dark"] .text-danger {
    color: var(--danger-color) !important;
}

/* Alerts */
.alert {
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid transparent;
    border-radius: 4px;
}

.alert-success {
    color: #3c763d;
    background-color: #dff0d8;
    border-color: #d6e9c6;
}

.alert-danger {
    color: #a94442;
    background-color: #f2dede;
    border-color: #ebccd1;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.stat-card {
    text-align: center;
    padding: 30px;
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    margin-top: 10px;
}

.text-success {
    color: var(--success-color);
}

.text-danger {
    color: var(--danger-color);
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        width: 95%;
        padding: 10px;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    table {
        font-size: 0.9rem;
    }

    table th,
    table td {
        padding: 8px 5px;
    }

    table .hide-mobile {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        width: 100%;
        padding: 5px;
    }

    header .container.header-content {
        padding: 0.5rem 10px;
    }
}