/* --- VARIÁVEIS DE CORES MÁGICAS --- */
:root {
    /* Cores do Tema Escuro (Padrão) */
    --bg-body: #121212;
    --bg-login: #000000;
    --bg-header: #000000;
    --bg-card: #1e1e1e;
    --bg-input: #222222;
    --text-main: #f5f5f5;
    --text-sub: #aaaaaa;
    --border-line: #333333;
    --green-gta: #4CAF50;
    --green-gta-hover: #45a049;
    --shadow: rgba(76, 175, 80, 0.3);
}

body.light-theme {
    /* Cores do Tema Claro (Quando clica no botão) */
    --bg-body: #f0f2f5;
    --bg-login: #e9ecef;
    --bg-header: #ffffff;
    --bg-card: #ffffff;
    --bg-input: #fafafa;
    --text-main: #333333;
    --text-sub: #666666;
    --border-line: #dddddd;
    --green-gta: #4CAF50;
    --green-gta-hover: #45a049;
    --shadow: rgba(0, 0, 0, 0.1);
}

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

/* Agora o site usa as variáveis em vez de cores fixas */
body {
    background-color: var(--bg-body);
    color: var(--text-main);
    font-family: Arial, sans-serif;
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s; /* Faz a troca de cor ser suave */
}

/* --- TELA DE LOGIN OBRIGATÓRIA --- */
.login-screen {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    width: 100%;
    background-color: var(--bg-login);
    transition: 0.3s;
}

.login-box {
    background-color: var(--bg-card);
    padding: 30px;
    border: 2px solid var(--green-gta);
    width: 90%;
    max-width: 350px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 15px var(--shadow);
}

.login-box h2 {
    color: var(--green-gta);
    margin-bottom: 5px;
}

.subtitle {
    color: var(--text-sub);
    margin-bottom: 15px;
    font-size: 0.9em;
}

form {
    display: flex;
    flex-direction: column;
    gap: 12px;
    text-align: left;
}

/* --- RESTANTE DO SITE --- */
header {
    background-color: var(--bg-header);
    padding: 1rem 5%;
    border-bottom: 2px solid var(--border-line);
    transition: 0.3s;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.navbar h1 {
    color: var(--green-gta);
}

.nav-controls {
    display: flex;
    gap: 10px;
}

input[type="text"], input[type="password"] {
    padding: 10px;
    border-radius: 4px;
    border: 1px solid var(--border-line);
    background-color: var(--bg-input);
    color: var(--text-main);
    width: 100%;
}

.btn {
    padding: 10px;
    background-color: var(--green-gta);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    margin-top: 10px;
    transition: 0.3s;
}

.btn:hover {
    background-color: var(--green-gta-hover);
}

main {
    padding: 2rem 5%;
    min-height: 80vh;
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-line);
    border-radius: 8px;
    overflow: hidden;
    padding-bottom: 1rem;
    text-align: center;
    transition: 0.3s;
}

.card:hover {
    border-color: var(--green-gta);
    transform: translateY(-5px);
    box-shadow: 0 5px 15px var(--shadow);
}

.card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    margin-bottom: 1rem;
}

.card h3 {
    color: var(--text-main);
}

.card p {
    padding: 0 1rem;
    margin-bottom: 10px;
    color: var(--text-sub);
}

.btn-card {
    background-color: var(--bg-input);
    color: var(--text-main);
    border: 1px solid var(--border-line);
    padding: 8px 15px;
    border-radius: 4px;
    cursor: pointer;
    transition: 0.3s;
}

.btn-card:hover {
    background-color: var(--green-gta);
    color: white;
    border-color: var(--green-gta);
}

/* Modais de Dicas */
.modal {
    display: none; 
    position: fixed; 
    z-index: 1; 
    left: 0;
    top: 0;
    width: 100%; 
    height: 100%; 
    background-color: rgba(0,0,0,0.8); 
    overflow-y: auto; 
}

.modal-content {
    background-color: var(--bg-card);
    color: var(--text-main);
    margin: 5% auto; 
    padding: 20px;
    border: 1px solid var(--green-gta);
    width: 80%;
    max-width: 400px;
    border-radius: 8px;
}

.details-content {
    max-width: 600px; 
}

.close {
    color: var(--text-sub);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: var(--text-main);
}

.error-msg {
    color: #ff4c4c;
    margin-top: 5px;
    font-size: 0.9em;
    text-align: center;
}

footer p {
    text-align: center;
    color: var(--text-sub);
    padding: 10px;
}

@media (max-width: 600px) {
    .navbar {
        flex-direction: column;
        gap: 15px;
    }
}