:root {
    --primary: #1a1f36;
    --secondary: #252b43;
    --accent: #2d3748;
    --text: #e2e8f0;
    --text-secondary: #a0aec0;
    --success: #48bb78;
    --danger: #f56565;
    --border: #4a5568;
}

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

body {
    background: linear-gradient(135deg, var(--primary) 0%, #0f141f 100%);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    background: var(--secondary);
    border-radius: 15px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    width: 100%;
    max-width: 450px;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.logo {
    width: 80px;
    height: 80px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin: 0 auto 20px;
    border: 2px solid var(--border);
}

.login-header h1 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: var(--text);
}

.login-header p {
    color: var(--text-secondary);
    font-size: 1rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text);
}

.form-group input,
.form-group select {
    padding: 12px 15px;
    border: 2px solid var(--border);
    border-radius: 8px;
    background: var(--primary);
    color: var(--text);
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--success);
}

.btn-login {
    background: var(--success);
    color: white;
    border: none;
    padding: 15px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-login:hover {
    background: #3ca765;
}

.login-info {
    background: var(--primary);
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid var(--success);
    margin-top: 20px;
}

.login-info p {
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.mensagem {
    padding: 15px;
    border-radius: 8px;
    margin-top: 20px;
    text-align: center;
    font-weight: 600;
}

.mensagem.sucesso {
    background: rgba(72, 187, 120, 0.2);
    border: 1px solid var(--success);
    color: var(--success);
}

.mensagem.erro {
    background: rgba(245, 101, 101, 0.2);
    border: 1px solid var(--danger);
    color: var(--danger);
}