/* Reset básico */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: linear-gradient(135deg, #0d1b2a, #1b263b, #415a77);
    color: #fff;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Container do login */
.login-container {
    background: rgba(255, 255, 255, 0.08);
    padding: 40px;
    border-radius: 15px;
    width: 350px;
    text-align: center;
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.8s ease-in-out;
}

.login-container .logo {
    width: 90px;
    margin-bottom: 15px;
}

.login-container h2 {
    margin-bottom: 20px;
    font-size: 22px;
    color: #fff;
    letter-spacing: 1px;
}

.login-container input {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    border: none;
    border-radius: 8px;
    outline: none;
    font-size: 14px;
}

.login-container input[type="email"],
.login-container input[type="password"] {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
}

.login-container input::placeholder {
    color: #ddd;
}

.login-container button {
    width: 100%;
    padding: 12px;
    margin-top: 10px;
    border: none;
    border-radius: 8px;
    background: #00b4d8;
    color: #fff;
    font-size: 15px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

.login-container button:hover {
    background: #0096c7;
}

/* Mensagem de erro */
.erro {
    margin-top: 12px;
    color: #ff6b6b;
    font-size: 14px;
    font-weight: bold;
}

/* Dashboard */
header {
    width: 100%;
    padding: 15px 30px;
    background: #1b263b;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    font-size: 18px;
}

header a {
    text-decoration: none;
    color: #fff;
    background: #e63946;
    padding: 8px 15px;
    border-radius: 6px;
    transition: 0.3s;
}

header a:hover {
    background: #d62839;
}

main {
    padding: 40px;
    text-align: center;
}

main h2 {
    font-size: 22px;
    margin-bottom: 20px;
}

main ul {
    list-style: none;
}

main ul li {
    margin: 12px 0;
}

main ul li a {
    text-decoration: none;
    font-size: 16px;
    color: #fff;
    background: #00b4d8;
    padding: 12px 20px;
    border-radius: 8px;
    display: inline-block;
    transition: 0.3s;
}

main ul li a:hover {
    background: #0096c7;
}

/* Animações */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-15px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Botão padrão */
.btn {
    display: inline-block;
    background: #00b4d8;
    color: #fff;
    padding: 10px 15px;
    border-radius: 6px;
    text-decoration: none;
    margin-bottom: 15px;
    transition: 0.3s;
}

.btn:hover {
    background: #0096c7;
}

/* Tabela */
.table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.table th, .table td {
    padding: 12px;
    border-bottom: 1px solid #ddd;
    text-align: left;
}

.table th {
    background: #1b263b;
    color: #fff;
}

.table tr:hover {
    background: #f1f1f1;
}